Bibliographies thématiques / Organic Hybrid Heterostructure Solar Cells

Littérature scientifique sur le sujet « Organic Hybrid Heterostructure Solar Cells »

Auteur : Grafiati
Publié le 7 septembre 2023

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Articles de revues sur le sujet "Organic Hybrid Heterostructure Solar Cells"

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Chonsut, Teantong, Sirapat Pratontep, Anusit Keawprajak, Pisist Kumnorkaew et Navaphun Kayunkid. « Improvement of Efficiency of Polymer-Zinc Oxide Hybrid Solar Cells Prepared by Rapid Convective Deposition ». Applied Mechanics and Materials 848 (juillet 2016) : 7–10. http://dx.doi.org/10.4028/www.scientific.net/amm.848.7.

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The aim of this research is to study improvement of power conversion efficiency (PCE) of organic-inorganic hybrid bulk heterostructure solar cell prepared by rapid convective deposition as a function of concentration of zinc oxide additive. The structure of hybrid solar cell used in this research is ITO/ZnO/P3HT:PC70BM:ZnO(nanoparticles)/MoO3/Au. By adding 5 mg/ml of ZnO nanoparticles in the active layer (P3HT:PC70BM), the PCE was increased from 0.46 to 1.09%. In order to reveal the origin of improving efficiency, surface morphology and optical properties of active layers were investigated by atomic force microscopy (AFM) and UV-Visible spectroscopy, respectively. The results clearly indicate that the enhancement of solar cell efficiency results from (i) the proper phase sepharation of electron donor and acceptor in the active layer and (ii) the better absorption of the active layer. This research work introduces an alternative way to improve solar cell efficiency by adding ZnO into active layer.
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Jeong, Hoon-Seok, Dongeon Kim, Seungin Jee, Min-Jae Si, Changjo Kim, Jung-Yong Lee, Yujin Jung et Se-Woong Baek. « Colloidal Quantum Dot:Organic Ternary Ink for Efficient Solution-Processed Hybrid Solar Cells ». International Journal of Energy Research 2023 (6 février 2023) : 1–14. http://dx.doi.org/10.1155/2023/4911750.

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The fabrication of heterostructures via solution process is one of the essential technologies for realizing efficient advanced-generation optoelectronics. Hybrid structures comprising colloidal quantum dots (CQD) and organic semiconducting molecules are garnering considerable research interest because of their complementing optical and electrical properties. However, blending both the materials and forming a stable electronic ink are a challenge owing to the solubility mismatch. Herein, a CQD:organic ternary-blended hybrid solar ink is devised, and efficient hybrid solar cells are demonstrated via single-step spin coating under ambient conditions. Specifically, the passivation of the benzoic acid ligand on the CQD surface enables the dissolution in low-polar solvent such as chlorobenzene, which yields a stable CQD:organic hybrid ink. The hybrid ink facilitates the formation of favorable thin-film morphologies and, consequently, improves the charge extraction efficiency of the solar cells. The resulting hybrid solar cells exhibit a power conversion efficiency of 15.24% that is the highest performance among all existing air-processed CQD:organic hybrid solar cells.
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Weingarten, M., T. Zweipfennig, A. Vescan et H. Kalisch. « Low-Temperature Processed Hybrid Organic/Silicon Solar Cells with Power Conversion Efficiency up to 6.5% ». MRS Proceedings 1771 (2015) : 201–6. http://dx.doi.org/10.1557/opl.2015.650.

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ABSTRACTHybrid organic/silicon heterostructures have become of great interest for photovoltaic application due to their promising features (e.g. easy fabrication in a low-temperature process) for cost-effective photovoltaics. This work is focused on solar cells with a hybrid heterojunction between the polymer poly(3-hexylthiophene-2,5-diyl) (P3HT) and n-doped monocrystalline silicon. As semi-transparent top contact, a thin (15 nm) Au layer was employed. Devices with different P3HT thicknesses were processed by spin-casting and compared with a reference Au/n-Si Schottky diode solar cell.The current density-voltage (J-V) measurements of the hybrid devices show a significant increase in open-circuit voltage (VOC) from 0.29 V up to 0.50 V for the best performing hybrid devices compared to the Schottky diode reference, while the short-circuit current density (JSC) does not change significantly. The increased VOC indicates that P3HT effectively reduces the reverse electron current into the gold contact. The wavelength-dependent JSC measurements show a decreased JSC in the wavelength range of P3HT absorption. This is related to the reduced JSC generation in silicon not being compensated by JSC generation in P3HT. It is concluded that the charge generation in P3HT is less efficient than in silicon.After a thermal annealing of the hybrid P3HT/silicon solar cells, we achieved power conversion efficiencies (PCE) (AM1.5 illumination) up to 6.5% with VOC of 0.52 V, JSC of 18.6 mA/cm² and a fill factor (FF) of 67%. This is more than twice the efficiency of the reference Schottky diode.
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KAFFAH, SILMI, LINA JAYA DIGUNA, SURIANI ABU BAKAR, MUHAMMAD DANANG BIROWOSUTO et ARRAMEL. « ELECTRONIC AND OPTICAL MODIFICATION OF ORGANIC-HYBRID PEROVSKITES ». Surface Review and Letters 28, no 08 (5 juillet 2021) : 2140010. http://dx.doi.org/10.1142/s0218625x21400102.

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Renewed interest has brought significant attention to tune coherently the electronic and optical properties of hybrid organic–inorganic perovskites (HOIPs) in recent years. Tailoring the intimate structure–property relationship is a primary target toward the advancement of light-harvesting technologies. These constructive progresses are expected to promote staggering endeavors within the solar cells community that needs to be revisited. Several considerations and strategies are introduced mainly to illustrate the importance of structural stability, interfacial alignment, and photo-generated carriers extraction across the perovskite heterostructures. Here, we review recent strides of such vast compelling diversity in order to shed some light on the interplay of the interfacial chemistry, photophysics, and light-emitting properties of HOIPs via molecular engineering or doping approach. In addition, we outline several fundamental knowledge processes across the role of charge transfer, charge carrier extraction, passivation agent, bandgap, and emission tunability at two-dimensional (2D) level of HOIPs/molecule heterointerfaces. An extensive range of the relevant work is illustrated to embrace new research directions for employing organic molecules as targeted active layer in perovskite-based devices. Ultimately, we address important insights related to the physical phenomena at the active molecules/perovskites interfaces that deserve careful considerations. This review specifically outlines a comprehensive overview of surface-based interactions that fundamentally challenges the delicate balance between organic materials and perovskites, which promotes bright future of desired practical applications.
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Xu, Xiaoyun, Xiong Wang, Yange Zhang et Pinjiang Li. « Ion-exchange synthesis and improved photovoltaic performance of CdS/Ag2S heterostructures for inorganic-organic hybrid solar cells ». Solid State Sciences 61 (novembre 2016) : 195–200. http://dx.doi.org/10.1016/j.solidstatesciences.2016.10.006.

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Mustafa, Haveen A., Dler A. Jameel, Hussien I. Salim et Sabah M. Ahmed. « The Effects Of N-GaAs Substrate Orientations on The Electrical Performance of PANI/N-GaAs Hybrid Solar Cell Devices ». Science Journal of University of Zakho 8, no 4 (30 décembre 2020) : 149–53. http://dx.doi.org/10.25271/sjuoz.2020.8.4.773.

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This paper reports the fabrication and electrical characterization of hybrid organic-inorganic solar cell based on the deposition of polyaniline (PANI) on n-type GaAs substrate with three different crystal orientations namely Au/PANI/(100) n-GaAs/(Ni-Au), Au/PANI/(110) n-GaAs/(Ni-Au), and Au/PANI/(311)B n-GaAs/(Ni-Au) using spin coating technique. The effect of crystallographic orientation of n-GaAs on solar cell efficiency of the hybrid solar cell devices has been studied utilizing current density-voltage (J-V) measurements under illumination conditions. Additionally, the influence of planes of n-GaAs on the diode parameters of the same devices has been investigated by employing current-voltage (I-V) characteristics in the dark conditions at room temperature. The experimental observations showed that the best performance was obtained for solar cells fabricated with the structure of Au/PANI/(311)B n-GaAs/(Ni-Au). The open-circuit voltage (Voc), short circuit current density (Jsc), and solar cell efficiency () of the same device were shown the values of 342 mV, 0.294 mAcm-2, 0.0196%, respectively under illuminated condition. All the solar cell characteristics were carried out under standard AM 1.5 at room temperature. Also, diode parameters of PANI/(311)B n-GaAs heterostructures were calculated from the dark I-V measurements revealed the lower reverse saturation current (Io) of 3.0×10-9A, higher barrier height () of 0.79 eV and lower ideality factor (n) of 3.16.
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Shvarts M. Z., Andreeva A. V., Andronikov D. A., Emtsev K. V., Larionov V. R., Nakhimovich M. V., Pokrovskiy P. V., Sadchikov N. A., Yakovlev S. A. et Malevskiy D. A. « Hybrid concentrator-planar photovoltaic module with heterostructure solar cells ». Technical Physics Letters 49, no 2 (2023) : 46. http://dx.doi.org/10.21883/tpl.2023.02.55371.19438.

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The paper presents a promising solution for photovoltaic modules that provides overcoming the main conceptual limitation for the concentrator concept in photovoltaics --- the impossibility to convert diffused (scattered) solar radiation coming to the panel of sunlight concentrators. The design of a hybrid concentrator-planar photovoltaic module based on heterostructure solar cells: A3B5 triple-junction and Si-HJT is presented. The results of initial outdoor studies of the module output characteristics are discussed and estimates of its energy efficiency are given. Keywords: hybrid concentrator-planar photovoltaic module, multijunction solar cell, Si-HJT planar photoconverter, diffusely scattered radiation.
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Nkele, A. C., S. U. Offiah, C. P. Chime et F. I. Ezema. « Review on advanced nanomaterials for hydrogen production ». IOP Conference Series : Earth and Environmental Science 1178, no 1 (1 mai 2023) : 012001. http://dx.doi.org/10.1088/1755-1315/1178/1/012001.

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Abstract Global fuel consumption and harmful gaseous emissions diverted energy sources to alternative means. Solar water splitting amidst other solar conversion methods is the most clean and efficient means of hydrogen production. 21st century technologies have delved into adopting nanomaterials of high efficiency to treat environmental pollution and produce hydrogen through electrochemical, photocatalytic, or electrophotocatalytic processes due to their outstanding properties. We reviewed diverse means of producing hydrogen through the use of advanced nanomaterials like carbon nanomaterials, solid inorganic-organic hybrids, metallic oxides/sulfides, quantum dots, composite heterostructures, microbial electrolysis cells etc. Overview on hydrogen production, ways of generating hydrogen, advanced nanomaterials for hydrogen production, and recent progress in hydrogen-producing nanomaterials have been discussed.
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Mapel, J. K., M. Singh, M. A. Baldo et K. Celebi. « Plasmonic excitation of organic double heterostructure solar cells ». Applied Physics Letters 90, no 12 (19 mars 2007) : 121102. http://dx.doi.org/10.1063/1.2714193.

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Milliron, Delia J., Ilan Gur et A. Paul Alivisatos. « Hybrid Organic–Nanocrystal Solar Cells ». MRS Bulletin 30, no 1 (janvier 2005) : 41–44. http://dx.doi.org/10.1557/mrs2005.8.

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AbstractRecent results have demonstrated that hybrid photovoltaic cells based on a blend of inorganic nanocrystals and polymers possess significant potential for low-cost, scalable solar power conversion. Colloidal semiconductor nanocrystals, like polymers, are solution processable and chemically synthesized, but possess the advantageous properties of inorganic semiconductors such as a broad spectral absorption range and high carrier mobilities. Significant advances in hybrid solar cells have followed the development of elongated nanocrystal rods and branched nanocrystals, which enable more effective charge transport. The incorporation of these larger nanostructures into polymers has required optimization of blend morphology using solvent mixtures. Future advances will rely on new nanocrystals, such as cadmium telluride tetrapods, that have the potential to enhance light absorption and further improve charge transport. Gains can also be made by incorporating application-specific organic components, including electroactive surfactants which control the physical and electronic interactions between nanocrystals and polymer.
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Thèses sur le sujet "Organic Hybrid Heterostructure Solar Cells"

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Ishwara, Thilini W. S. « Optimisation of hybrid organic/ inorganic solar cells ». Thesis, Imperial College London, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.510746.

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Lentz, Levi (Levi Carl). « Rational design of hybrid organic solar cells ». Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/92219.

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Thesis: S.M., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2014.
Cataloged from PDF version of thesis.
Includes bibliographical references (pages 113-117).
In this thesis, we will present a novel design for a nano-structured organic-inorganic hybrid photovoltaic material that will address current challenges in bulk heterojunction (BHJ) organic-based solar cell materials. Utilizing first principles Density Functional Theory (DFT), we show that layered inorganic phosphates and tradition organic dyes can be combined to form a new class of bulk heterojunction photovoltaic with high electron and hole mobilities with low exciton recombination, potentially enabling very high efficiency with existing organic-based solar-cell molecules. We will discuss the physical origin of these properties and investigate several approaches for engineering the electronic structure of these materials. By using these methods, it will be possible to engineer the transport and optical properties of these materials, with potential applications beyond photovoltaics in areas from organic electronics to photoactuators.
by Levi Lentz.
S.M.
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Hyung, Do Kim. « Development of Highly Efficient Organic-Inorganic Hybrid Solar Cells ». 京都大学 (Kyoto University), 2017. http://hdl.handle.net/2433/225630.

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MacLachlan, Andrew. « Tuning morphology of hybrid organic/metal sulfide solar cells ». Thesis, Imperial College London, 2015. http://hdl.handle.net/10044/1/25766.

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This thesis explores the influence that morphology plays in hybrid organic/inorganic solar cells. This is studied for a range of different materials systems. A series of cadmium xanthate complexes were synthesised, for use as in-situ precursors to CdS nanoparticles in hybrid poly(3-hexylthiophene-2,5-diyl (P3HT)/CdS solar cells. The heterojunction morphology of these hybrid P3HT/CdS blends was found to be dependent on the ligand moiety of the precursor used. The formation of CdS domains was studied by time-resolved materials characterisation techniques and directly imaged using electron microscopy. A combination of transient absorption spectroscopy (TAS) and photovoltaic device performance measurements was used to show the intricate balance required between charge photogeneration and having percolated domains in order to effectively extract charges to maximize device power conversion efficiencies. An analogous method was also applied to a P3HT/Sb_2 S_3 system. Following on from the previous work, a non-toxic alternative to CdS and Sb2S3 was explored. Bismuth xanthates were thermally decomposed to form hybrid polymer/Bi_2 S_3 heterojunctions with two distinctly different morphologies. The bismuth xanthates were found to form nanorods in-situ, within the solid-state polymer matrix, as well as mesostructured arrays of Bi_2 S_3 rods that were later infiltrated with a polymer, using a two-step method. TAS was used to study the charge generation yield in both these systems and hybrid photovoltaic devices were also fabricated. Finally, through a collaboration with The Institute of Photonic Sciences (ICFO), TAS was used to study two separate organic semiconductor/Bi_2 S_3 BHJs. The first of which was a P3HT/Bi_2 S_3 nanoparticle blend solar cell. The charge generation yield in this system was investigated and then compared to a novel thiol-functionalised P3HT based block copolymer (P3HT-SH). Secondly, TAS was used to obtain a better understanding of the charge transfer at several interfaces in a vertically structured Bi_2 S_3 nanorod array that was filled with 2,2',7,7'-Tetrakis-(N,N-di-4-methoxyphenylamino)-9,9'-spirobifluorene (SPIRO).
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Manaf, Nor Azlian Binti Abdul. « Organic/inorganic hybrid solar cells based on electroplated CdTe ». Thesis, Sheffield Hallam University, 2015. http://shura.shu.ac.uk/20010/.

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The purpose of this work is to develop organic/inorganic hybrid solar cells based on electroplated CdTe. The materials used in this research are CdS, CdTe and PAni. These materials have been characterised by XRD, Raman spectroscopy, EDX, SEM, AFM, UV-Vis spectroscopy, PEC, C-V and DC measurements, UPS and PL for their structural, compositional, morphological, optical, electrical and defect properties. CdS has electrodeposited from the electrolyte using (NH[4])[2]S[2]O[3] as the sulphur source. The optimum growth voltage (V[g]) and temperature (T[g]) are obtained at 1455 mV and 85°C, respectively. The best annealing condition is found to be at 400°C for 20 minutes in the presence of CdCl[2]+CdF[2]. CdTe thin films were electrodeposited from CdCl[2] precursor and a comprehensive study was carried out for the first time. The work has demonstrated a better understanding of material issues and some clues on the effect of CdCl[2] treatment. The optimum V[g] and annealing condition were obtained at 698 mV with respect to the calomel electrode and 420°C for 20 minutes in the presence of CdCl[2]+CdF[2] or CdCl[2]+CdF[2]+GaCl[3]. The development of PAni thin films has been established using anodic and cathodic deposition. The pernigraniline salt PAni grown from anodic has an amorphous structure, large bandgap and cementing growth effect while leucoemeraldine salt PAni grown from cathodic deposition shows the best crystallinity at V[g]=1654 mV with respect to carbon anode, smaller grain size, higher resistivity and lower bandgap. The CdS, CdTe and PAni thin films have been studied in device structures, assessing their solar cell device performance. The best of CdS/CdTe solar cell was observed with efficiency of 5.8% when using CdS thin film treated with CdCl[2]+CdF[2] at 400°C. The best solar cell from CdTe study shows the efficiency of 6.8% when using CdTe thin films treated with CdCl[2]+CdF[2] at 420°C. Further study demonstrates that a device with g/FTO/n-CdS(~200 nm)/n-CdTe(~1200 nm)/p-CdTe(~300 nm)/Au shows high J[sc] and highest efficiency (7.7%) due to the formation of n-n heterojunction, p-n homojuction and ohmic contact within the structure. The efficiency of the solar cell increased from -2.4% to -4.2% when incorporating -81 nm thick PAni layer grown from anodic deposition. The devices incorporating ZnS, ZnTe and CdSe layers show the prospect of graded bandgap solar cell, but proper optimisation on each material should be carried out before using in multi-layer device structures. The study on the lifetime of solar cells show slow degradation and it maintained more than 83% of its initial efficiency after 9,000 hours.
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DIANETTI, MARTINA. « Transparent Conductive Oxide-free hybrid and organic solar cells ». Doctoral thesis, Università degli Studi di Roma "Tor Vergata", 2014. http://hdl.handle.net/2108/202335.

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In organic Bulk Hetero Junction (BHJ) and hybrid/perovskite solar cells, the most employed material used as transparent electrode for the charges collection is transparent conductive oxide (TCO) such as indium doped tin oxide (ITO) or fluorine doped tin oxide (FTO). Beside the high transparency and conductivity (80% on glass substrates and 15 Ω/□, respectively) of ITO and FTO, there are many critical issues: i) limited indium sources, ii) high cost due to the deposition techniques (sputtering, evaporation, pulsed laser deposition and electroplating etc.), iii) high temperature processing and iv) high mechanical brittleness. For these reasons, it is necessary to investigate new materials. The discovery of graphene, in 2004, that led Novoselov and Geim to win the Nobel Prize has opened up new areas of scientific research. In particular, its surprising physical, optical, mechanical and electrical properties have made the graphene one of the most promising material in the modern electronic applications and in particular in the 3rd generation solar cells technology that can be produced cheaply and very fast from solution with printing processes both on plastic and rigid substrates. This work is mainly focused on the use of graphene as a replacement of the conventional transparent conductive oxides. In particular, most of the problems (wettability, annealing temperature etc.) for fabricate solar cells on graphene electrodes were solved. A simple way to decrease the sheet resistance of graphene electrode, by the addition of a metal grid, is presented as well. With the aim to realize high efficiency solar cells, both BHJ with low band gap polymers as active layer and perovskite-based solar cells have been investigated. Firstly, the effects of two different materials (Ni and MoO3), used as p-dopant on bare graphene, were studied and the thickness was optimized in order to reduce the graphene sheet resistance and increase the solar cells performances. Moreover, was investigated the feasibility to realize graphene-based solar cells starting to optimize the deposition of the organic active layer material (blend of P3HT: PC [60] BM or PTB7: PC [70] BM) in terms of annealing temperature and thickness. iv Furthermore, in order to increase the solar cells efficiency, organic-inorganic perovskite ( CH3NH3PbI3-xClx ) material was studied as active layer. As first step, the growth of perovskite active layer was optimized in terms of annealing temperature, photoluminescence and morphology both for direct and inverted architectures. Then, using a planar direct structure, efforts were made to solve the issues related to the realization of perovskite solar cells on graphene electrode. While, in the direct structure, Titania ordered photonics nanostructures were introduced as electron transporting layer (ETL) to increase the light absorbed by the perovskite active layer and the photo-generated current in the solar cells. With the view to replace the conventional transparent conductive electrode, conductive polymers were also investigated. The most promising organic material is PEDOT: PSS, which is a semitransparent and conductive polymer. However, the pristine PEDOT: PSS film, deposited from aqueous solution, has a lower conductivity than the conventional transparent conductive oxide. For this reason, many strategies have been employed to improve the conductivity of this material to obtain a low cost, low temperature and TCO-free perovskite planar heterojunction solar cells on flexible substrate. In particular, it is demonstrated that the highly conductive polymeric material shows potential as a practical replacement for expensive and brittle ITO/PET. Moreover, in the bending test, the ITO-free perovskite solar cells with PEDOT anodes on flexible substrate manifested superior mechanical robustness compared with ITO-based cells, showing the high flexibility of perovskite layer.
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Azzopardi, Brian. « Integration of hybrid organic-based solar cells for micro-generation ». Thesis, University of Manchester, 2011. https://www.research.manchester.ac.uk/portal/en/theses/integration-of-hybrid-organicbased-solar-cells-for-microgeneration(6013d4a4-4702-4bfc-b3b3-c0ae155a83b9).html.

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Despite the fact that the global photovoltaic (PV) market has grown rapidly during the last two decades, driven by global climate change concerns and public policy supports of renewable energy sources, a PV system is still considered an expensive alternative energy source when compared to other sources of electricity. Emerging organic-based PV solar cells may lead to significant price reductions of a PV system. Though, in the short and medium term, the lifetime, efficiencies and reliability are expected to be lower than current commercially available silicon wafer-based and mature inorganic thin film PV modules.A consortium formed by inter-disciplinary scientists and engineers between the University of Manchester and Imperial College London was set-up to investigate organic-based hybrid solar cells. Potential solar cell materials with higher resultant conversion efficiency in research, targeting lower costs than other PV technologies were developed. The designs investigated feature hybrid organic-based quantum dot (QD) solar cells topology.This research seeks to integrate this new PV technology concept into future PV micro-generators. The challenges faced by emerging PV technologies with regard to PV module lifetime, efficiency and cost / price were summarised. The uniqueness of this work is that, throughout this research, the issues for commercialisation of emerging PV technologies for micro-generation; in particular with regards to low efficiency, short lifetime and high efficiency degradation, and low-cost / price were extensively analysed in every aspect.The technical, economic and also environmental viability perspectives of emerging PV technologies for micro-generation were found. A wide range of models and / or methodologies were developed, extended or applied for the first time to PV technologies for micro-generation, with particular focus where possible on the hybrid organic-based QD solar cells. Lifetime-adjusted calculations and life cycle costing were used to determine cost boundaries and PV electricity costs. Life cycle environmental impacts were determined by the use of life cycle analysis. A mixed integer single / multi-objective optimisation program was developed to determine optimal, compromise and trade-off relationships on PV system characteristics. These PV system characteristics, which are analysed on a systems level included module efficiency, grid interconnection rating, solar fraction, energy storage capacities, annualised life cycle costs, project worth value and environmental CO2 impacts / benefit. Finally, PV technologies for micro-generation were ranked by the use of multi-criteria decision analysis. The results clarify, inform and suggest concepts for emerging PV technologies integration for micro-generation by providing boundaries, trade-offs and suggestions to all stakeholder including commercial, domestic and public bodies.The direction for future research in emerging PV technologies for micro-generation is identified to be the development of customer decision tools for diversified PV technologies, policy adaptation for the inclusion of emerging PV technologies and large-scale manufacturing investigations on emerging PV modules that makes use of an organic-based PV technology.
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Sarvari, Hojjatollah. « FABRICATION AND CHARACTERIZATION OF ORGANIC-INORGANIC HYBRID PEROVSKITE SOLAR CELLS ». UKnowledge, 2018. https://uknowledge.uky.edu/ece_etds/123.

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Solar energy as the most abundant source of energy is clean, non-pollutant, and completely renewable, which provides energy security, independence, and reliability. Organic-inorganic hybrid perovskite solar cells (PSCs) revolutionized the photovoltaics field not only by showing high efficiency of above 22% in just a few years but also by providing cheap and facile fabrication methods. In this dissertation, fabrication of PSCs in both ambient air conditions and environmentally controlled N2-filled glove-box are studied. Several characterization methods such as SEM, XRD, EDS, Profilometry, four-point probe measurement, EQE, and current-voltage measurements were employed to examine the quality of thin films and the performance of the PSCs. A few issues with the use of equipment for the fabrication of thin films are addressed, and the solutions are provided. It is suggested to fabricate PSCs in ambient air conditions entirely, to reduce the production cost. So, in this part, the preparation of the solutions, the fabrication of thin films, and the storage of materials were performed in ambient air conditions regardless of their humidity sensitivity. Thus, for the first part, the fabrication of PSCs in ambient air conditions with relative humidity above ~36% with and without moisture sensitive material, i.e., Li-TFSI are provided. Perovskite materials including MAPbI3 and mixed cation MAyFA(1-y)PbIxBr(1-x) compositions are investigated. Many solution-process parameters such as the spin-coating speed for deposition of the hole transporting layer (HTL), preparation of the HTL solution, impact of air and light on the HTL conductivity, and the effect of repetitive measurement of PSCs are investigated. The results show that the higher spin speed of PbI2 is critical for high-quality PbI2 film formation. The author also found that exposure of samples to air and light are both crucial for fabrication of solar cells with larger current density and better fill factor. The aging characteristics of the PSCs in air and vacuum environments are also investigated. Each performance parameter of air-stored samples shows a drastic change compared with that of the vacuum-stored samples, and both moisture and oxygen in air are found to influence the PSCs performances. These results are essential towards the fabrication of low-cost, high-efficiency PSCs in ambient air conditions. In the second part, the research is focused on the fabrication of high-efficiency PSCs using the glove-box. Both single-step and two-step spin-coating methods with perovskite precursors such as MAyFA(1-y)PbIxBr(1-x) and Cesium-doped mixed cation perovskite with a final formula of Cs0.07MA0.1581FA0.7719Pb1I2.49Br0.51 were considered. The effect of several materials and process parameters on the performance of PSCs are investigated. A new solution which consists of titanium dioxide (TiO2), hydrochloric acid (HCl), and anhydrous ethanol is introduced and optimized for fabrication of quick, pinhole-free, and efficient hole-blocking layer using the spin-coating method. Highly reproducible PSCs with an average power conversion efficiency (PCE) of 15.4% are fabricated using this solution by spin-coating method compared to the conventional solution utilizing both spin-coating with an average PCE of 10.6% and spray pyrolysis with an average PCE of 13.78%. Moreover, a thin layer of silver is introduced as an interlayer between the HTL and the back contact. Interestingly, it improved the current density and, finally the PCEs of devices by improving the adhesion of the back electrode onto the organic HTL and increasing the light reflection in the PSC. Finally, a highly reproducible fabrication procedure for cesium-doped PSCs using the anti-solvent method with an average PCE of 16.5%, and a maximum PCE of ~17.5% is provided.
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Yao, Jizhong. « Studies of recombination in organic and hybrid solar cells using electroluminescence ». Thesis, Imperial College London, 2016. http://hdl.handle.net/10044/1/52668.

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The performance of solution processed solar cells such as organic bulk heterojunction (OPV) devices is limited by strong recombination. However, the mechanisms are still unclear. In this thesis, I develop a toolbox using steady-state spectroscopy measurements to explore the recombination mechanisms in a range of solution-processed solar cells. In the first results chapter, I use the reciprocity relation between light absorption and light emission to explore theoretical and practical performance limits for solar cells based on organic semiconductors and perovskites and compare the results with data for state-of-the-art photovoltaic cells made from GaAs, c-Si, and CIGS. In OPV systems, I show that the energetic losses due to the mismatch of the bandgap have been significantly reduced through optimisation of the donor polymer, but the non-radiative recombination losses remain the same and become the major barrier to higher performance. In the next two chapters, I use light intensity dependence of open-circuit voltage measurement (suns-VOC) and electroluminescence – injection current measurement (EL-J) to disentangle recombination mechanisms in OPV and perovskite cells, respectively. First, I identify the present of Shockley-Read-Hall recombination and surface recombination in OPV devices. I intentionally control the sample geometry to modulate the amount of surface recombination and demonstrate that surface recombination can significantly affect the device performance. In the following chapter, I analyse time dependent suns-VOC and EL-J measurements on perovskite cells with different architectures and pre-conditioning regimes used. I identify the changes in recombination mechanisms with delay time and pre-conditions. The effects of ion migration are used to interpret the results. In the final chapter, I apply luminescence spectroscopy techniques to investigate the degree of fullerene crystallinity in polymer:fullerene blends. Charge-transfer state emission is used to probe the onset of the crystallisation of fullerenes in an amorphous polymer. I relate the CT peak shift directly to the change in microstructure of a blend film.
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CIAMMARUCHI, LAURA. « Studies on stability and degradation of hybrid and organic solar cells ». Doctoral thesis, Università degli Studi di Roma "Tor Vergata", 2013. http://hdl.handle.net/2108/203513.

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Livres sur le sujet "Organic Hybrid Heterostructure Solar Cells"

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Huang, Hui, et Jinsong Huang, dir. Organic and Hybrid Solar Cells. Cham : Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-10855-1.

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Lin, Ching-Fuh. Organic, inorganic, and hybrid solar cells : Principles and practice. Hoboken, NJ : Wiley, 2012.

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Schmidt-Mende, Lukas, Stefan Kraner et Azhar Fakharuddin. Organic and Hybrid Solar Cells. De Gruyter, 2022. http://dx.doi.org/10.1515/9783110736939.

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Huang, Hui, et Jinsong Huang. Organic and Hybrid Solar Cells. Springer, 2014.

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Schmidt-Mende, Lukas, Stefan Kraner et Azhar Fakharuddin. Organic and Hybrid Solar Cells. de Gruyter GmbH, Walter, 2022.

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Schmidt-Mende, Lukas, Stefan Kraner et Azhar Fakharuddin. Organic and Hybrid Solar Cells. de Gruyter GmbH, Walter, 2022.

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Huang, Hui, et Jinsong Huang. Organic and Hybrid Solar Cells. Springer, 2014.

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Schmidt-Mende, Lukas, Stefan Kraner et Azhar Fakharuddin. Organic and Hybrid Solar Cells. de Gruyter GmbH, Walter, 2022.

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Huang, Hui, et Jinsong Huang. Organic and Hybrid Solar Cells. Springer, 2016.

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Schmidt-Mende, Lukas, et Jonas Weickert. Organic and Hybrid Solar Cells : An Introduction. de Gruyter GmbH, Walter, 2016.

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Chapitres de livres sur le sujet "Organic Hybrid Heterostructure Solar Cells"

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Eck, Michael, et Michael Krueger. « Polymer-Nanocrystal Hybrid Solar Cells ». Dans Organic Photovoltaics, 171–208. Weinheim, Germany : Wiley-VCH Verlag GmbH & Co. KGaA, 2014. http://dx.doi.org/10.1002/9783527656912.ch06.

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Tai, Qidong, et Feng Yan. « Hybrid Solar Cells with Polymer and Inorganic Nanocrystals ». Dans Organic Solar Cells, 243–65. London : Springer London, 2012. http://dx.doi.org/10.1007/978-1-4471-4823-4_9.

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Günş, Serap, et Niyazi Serdar Sariciftci. « Organic and Inorganic Hybrid Solar Cells ». Dans Printable Solar Cells, 1–35. Hoboken, NJ, USA : John Wiley & Sons, Inc., 2017. http://dx.doi.org/10.1002/9781119283720.ch1.

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Hahn, Yoon-Bong, Tahmineh Mahmoudi et Yousheng Wang. « Organic—Inorganic Hybrid Solar Cells ». Dans Next-Generation Solar Cells, 129–49. New York : Jenny Stanford Publishing, 2023. http://dx.doi.org/10.1201/9781003372387-7.

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Li, Yingfeng, Younan Luo et Meicheng Li. « Organic–Inorganic Hybrid Silicon Solar ». Dans Advances in Silicon Solar Cells, 205–27. Cham : Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-69703-1_8.

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Huang, Hui, et Wei Deng. « Introduction to Organic Solar Cells ». Dans Organic and Hybrid Solar Cells, 1–18. Cham : Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-10855-1_1.

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Yin, Zhigang, Shan-Ci Chen et Qingdong Zheng. « Inverted Organic Solar Cells (OSCs) ». Dans Organic and Hybrid Solar Cells, 215–42. Cham : Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-10855-1_7.

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Yue, Wenjin. « Organic-Inorganic Hybrid Solar Cells Based on Quantum Dots ». Dans Printable Solar Cells, 65–91. Hoboken, NJ, USA : John Wiley & Sons, Inc., 2017. http://dx.doi.org/10.1002/9781119283720.ch3.

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Balazs, D. M., M. J. Speirs et M. A. Loi. « Colloidal Inorganic–Organic Hybrid Solar Cells ». Dans Organic and Hybrid Solar Cells, 301–37. Cham : Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-10855-1_10.

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Zhou, Nanjia, et Antonio Facchetti. « Charge Transport and Recombination in Organic Solar Cells (OSCs) ». Dans Organic and Hybrid Solar Cells, 19–52. Cham : Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-10855-1_2.

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Actes de conférences sur le sujet "Organic Hybrid Heterostructure Solar Cells"

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Wang, Zhiping, Qianqian Lin, Francis Chmiel, Nobuya Sakai, Laura Herz et Henry Snaith. « Self-assembled 2D-3D heterostructured butylammonium-caesium-formamidinium lead halide perovskites for stable and efficient solar cells ». Dans 2nd Asia-Pacific Hybrid and Organic Photovoltaics. Valencia : Fundació Scito, 2017. http://dx.doi.org/10.29363/nanoge.ap-hopv.2018.009.

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Ho-Baillie, Anita. « Perovskite Solar Cells ». Dans Organic, Hybrid, and Perovskite Photovoltaics XXII, sous la direction de Zakya H. Kafafi, Paul A. Lane, Gang Li, Ana Flávia Nogueira et Ellen Moons. SPIE, 2021. http://dx.doi.org/10.1117/12.2602805.

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Kim, Hwan Kyu. « Dye-sensitized Solar Cells Strike Back to Practically Useful Next Generation Solar Cells ». Dans 13th Conference on Hybrid and Organic Photovoltaics. València : Fundació Scito, 2021. http://dx.doi.org/10.29363/nanoge.hopv.2021.012.

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Reale, A., T. M. Brown, A. Di Carlo, F. Giannini, F. Brunetti, E. Leonardi, M. Lucci et al. « Nanocomposites for organic and hybrid organic-inorganic solar cells ». Dans SPIE Optics + Photonics, sous la direction de Zakya H. Kafafi et Paul A. Lane. SPIE, 2006. http://dx.doi.org/10.1117/12.680809.

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Abate, Antonio. « Tin-based perovskite solar cells ». Dans International Conference on Hybrid and Organic Photovoltaics. València : Fundació Scito, 2022. http://dx.doi.org/10.29363/nanoge.hopv.2022.016.

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Gill, Hardeep Singh, Akshay Kokil, Lian Li, Ravi Mosurkal et Jayant Kumar. « Solution processed flexible planar hybrid perovskite solar cells ». Dans SPIE Organic Photonics + Electronics, sous la direction de Zakya H. Kafafi, Paul A. Lane et Ifor D. W. Samuel. SPIE, 2014. http://dx.doi.org/10.1117/12.2061405.

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Cameron, Petra, Kaya Davies Brenchley, Ulrich Hintermair et Jenny Baker. « Running Perovskite Solar Cells Underwater - Light Driven Water Oxidation using Caesium Lead Bromide Solar Cells ». Dans International Conference on Hybrid and Organic Photovoltaics. València : Fundació Scito, 2022. http://dx.doi.org/10.29363/nanoge.hopv.2022.078.

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Janssen, René A. « Thin-film solution-processed multijunction solar cells ». Dans Organic, Hybrid, and Perovskite Photovoltaics XXIII, sous la direction de Gang Li, Thuc-Quyen Nguyen, Ana Flávia Nogueira, Barry P. Rand, Ellen Moons et Natalie Stingelin. SPIE, 2022. http://dx.doi.org/10.1117/12.2639415.

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Bach, Udo, et Xiongfeng Lin. « Back-Contact Perovskite Solar Cells ». Dans 10th International Conference on Hybrid and Organic Photovoltaics. Valencia : Fundació Scito, 2018. http://dx.doi.org/10.29363/nanoge.hopv.2018.202.

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Moustafa, Minnatullah, Nathalie Nazih, Sameh O. Abdellatif, Khaled A. Kirah et Hani Ghali. « Investigating the parasitic resistance of mesoporous-based solar cells with respect to thin-film and conventional solar cells ». Dans Organic, Hybrid, and Perovskite Photovoltaics XXI, sous la direction de Kwanghee Lee, Zakya H. Kafafi, Paul A. Lane, Harald W. Ade et Yueh-Lin (Lynn) Loo. SPIE, 2020. http://dx.doi.org/10.1117/12.2572873.

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Rapports d'organisations sur le sujet "Organic Hybrid Heterostructure Solar Cells"

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Hsu, Julia, W. P. Development of nanostructured and surface modified semiconductors for hybrid organic-inorganic solar cells. Office of Scientific and Technical Information (OSTI), septembre 2008. http://dx.doi.org/10.2172/942056.

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