Littérature scientifique sur le sujet « Chalcogenide quantum dots »
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Articles de revues sur le sujet "Chalcogenide quantum dots"
Hao, Qun, Haifei Ma, Xida Xing, Xin Tang, Zhipeng Wei, Xue Zhao et Menglu Chen. « Mercury Chalcogenide Colloidal Quantum Dots for Infrared Photodetectors ». Materials 16, no 23 (24 novembre 2023) : 7321. http://dx.doi.org/10.3390/ma16237321.
Texte intégralGelchuk, Y., O. Boreiko, G. Okrepka et Yu Khalavka. « Synthesis and optical properties of AgInS2 nanoparticles ». Chernivtsi University Scientific Herald. Chemistry, no 818 (2019) : 12–19. http://dx.doi.org/10.31861/chem-2019-818-02.
Texte intégralMal, J., Y. V. Nancharaiah, E. D. van Hullebusch et P. N. L. Lens. « Metal chalcogenide quantum dots : biotechnological synthesis and applications ». RSC Advances 6, no 47 (2016) : 41477–95. http://dx.doi.org/10.1039/c6ra08447h.
Texte intégralGreen, Mark, et Hassan Mirzai. « Synthetic routes to mercury chalcogenide quantum dots ». Journal of Materials Chemistry C 6, no 19 (2018) : 5097–112. http://dx.doi.org/10.1039/c8tc00910d.
Texte intégralLukose, Binit, et Paulette Clancy. « A feasibility study of unconventional planar ligand spacers in chalcogenide nanocrystals ». Physical Chemistry Chemical Physics 18, no 20 (2016) : 13781–93. http://dx.doi.org/10.1039/c5cp07521a.
Texte intégralChen, Yuetian, et Yixin Zhao. « Incorporating quantum dots for high efficiency and stable perovskite photovoltaics ». Journal of Materials Chemistry A 8, no 47 (2020) : 25017–27. http://dx.doi.org/10.1039/d0ta09096d.
Texte intégralShuklov, I. A., et V. F. Razumov. « Lead chalcogenide quantum dots for photoelectric devices ». Russian Chemical Reviews 89, no 3 (28 février 2020) : 379–91. http://dx.doi.org/10.1070/rcr4917.
Texte intégralYAGCI ACAR, Funda. « Theranostic Silver Chalcogenide Quantum Dots in Phototherapy ». Photodiagnosis and Photodynamic Therapy 41 (mars 2023) : 103397. http://dx.doi.org/10.1016/j.pdpdt.2023.103397.
Texte intégralLi, Xiu-Ping, Rong-Jin Huang, Cong Chen, Tianduo Li et Yu-Ji Gao. « Simultaneous Conduction and Valence Band Regulation of Indium-Based Quantum Dots for Efficient H2 Photogeneration ». Nanomaterials 11, no 5 (26 avril 2021) : 1115. http://dx.doi.org/10.3390/nano11051115.
Texte intégralSun, Jianhui, Michio Ikezawa, Xiuying Wang, Pengtao Jing, Haibo Li, Jialong Zhao et Yasuaki Masumoto. « Photocarrier recombination dynamics in ternary chalcogenide CuInS2 quantum dots ». Physical Chemistry Chemical Physics 17, no 18 (2015) : 11981–89. http://dx.doi.org/10.1039/c5cp00034c.
Texte intégralThèses sur le sujet "Chalcogenide quantum dots"
Wang, Zheng. « Synthesis, properties and applications of glasses containing chalcogenide quantum dots ». Electronic Thesis or Diss., Université de Rennes (2023-....), 2023. http://www.theses.fr/2023URENS093.
Texte intégralIn this dissertation, the synthesis, properties and applications of glasses containing chalcogenide quantum dots (QDs) have been studied. Multicomponent lead chalcogenide QDs glasses (containing PbSe or PbS QDs) were successfully prepared, and their optical properties and potential applications were explored in combination with rare earth Tm3+ ion doping. In addition, based on the results, lead-free and environmentally friendly chalcogenide QDs glasses (containing ZnS or ZnSe QDs) were successfully prepared, and its luminescent performance was further improved by doping with transition metal nickel ions. These results lay the foundation for the improvement of optical properties of lead-based chalcogenide QDs and for the development of environmentally friendly heavy metal-free chalcogenide QDs glasses. Although future improvements are possible and necessary for practical applications, these chalcogenide QDs glasses developed in this work have application potential in the fields of luminescent solar concentrators, optical anti-counterfeiting, solid-state lighting, and optical temperature sensing
Schnitzenbaumer, Kyle J. « The Impact of Chalcogenide Ligands on the Photoexcited States of Cadmium Chalcogenide Quantum Dots ». Thesis, University of Colorado at Boulder, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=3704804.
Texte intégralQuantum dots (QDs) are the foundation of many optoelectronic devices because their optical and electronic properties are synthetically tunable. The inherent connection between synthetically controllable physical parameters, such as size, shape, and surface chemistry, and QD electronic properties provides flexibility in manipulating excited states. The properties of the ligands that passivate the QD surface and provide such synthetic control, however, are quite different from those that are beneficial for use in optoelectronic devices. In these applications, ligands that promote charge transfer are desired. To this end, significant research efforts have focused on post-synthetic ligand exchange to shorter, more conductive ligand species. Surface ligand identity, however, is a physical parameter intimately tied to QD excited state behavior in addition to charge transfer. A particularly interesting group of ligands, due to the extraordinarily thin ligand shell they create around the QD, are the chalcogenides S2-, Se2-, and Te2-. While promising, little is known about how these chalcogenide ligands affect QD photoexcited states. This dissertation focuses on the impact of chalcogenide ligands on the excited state dynamics of cadmium chalcogenide QDs and associated implications for charge transfer. This is accomplished through a combination of theoretical (Chapters 2, 3, and 6) and experimental (Chapters 2, 4, 5 and 6) methods. We establish a theoretical foundation for describing chalcogenide capped QD photoexcited states and measure the dynamics of these excited states using transient absorption spectroscopy. The presented results highlight the drastic effects surface modification can have on QD photoexcited state dynamics and provide insights for more informed design of optoelectronic systems.
Schornbaum, Julia [Verfasser], et Jana [Akademischer Betreuer] Zaumseil. « Lead Chalcogenide Quantum Dots and Quantum Dot Hybrids for Optoelectronic Devices / Julia Schornbaum. Gutachter : Jana Zaumseil ». Erlangen : Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 2015. http://d-nb.info/1082426415/34.
Texte intégralSchornbaum, Julia Verfasser], et Jana [Akademischer Betreuer] [Zaumseil. « Lead Chalcogenide Quantum Dots and Quantum Dot Hybrids for Optoelectronic Devices / Julia Schornbaum. Gutachter : Jana Zaumseil ». Erlangen : Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 2015. http://nbn-resolving.de/urn:nbn:de:bvb:29-opus4-68977.
Texte intégralLystrom, Levi Aaron. « Influence of Organic and Inorganic Passivation on the Photophysics of Cadmium Chalcogenide and Lead Chalcogenide Quantum Dots ». Diss., North Dakota State University, 2020. https://hdl.handle.net/10365/31926.
Texte intégralPage, Robert Christopher. « Synthesis of cadmium chalcogenide based quantum dots for enhanced multiple exciton generation ». Thesis, University of Manchester, 2014. https://www.research.manchester.ac.uk/portal/en/theses/synthesis-of-cadmium-chalcogenide-based-quantum-dots-for-enhanced-multiple-exciton-generation(0e0f2e8d-ea7f-42dc-abef-f230e20eabe5).html.
Texte intégralThiagarajan, Suraj Joottu. « Thermoelectric properties of rare-earth lead selenide alloys and lead chalcogenide nanocomposites ». Columbus, Ohio : Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1196263620.
Texte intégralNxusani, Ezo. « Synthesis and analysis of Novel Platinum group Metal Chalcogenide Metal Quantum Dot and Electrochemical Markers ». University of the Western Cape, 2018. http://hdl.handle.net/11394/6424.
Texte intégralAlthough cadmium and lead chalcogenide quantum dot have excellent optical and photoluminescent properties that are highly favorable for biological applications, there still exists increasing concerns due to the toxicity of these metals. We, therefore, report the synthesis of new aqueous soluble IrSe quantum dot at room temperature utilizing a bottom-up wet chemistry approach. NaHSe and H2IrCl6 were utilized as the Se and Ir source, respectively. High-resolution transmission electron microscopy reveals that the synthesized 3MPA-IrSe Qd are 3 nm in diameter. The characteristics and properties of the IrSe Qd are investigated utilizing, Selected Area electron diffraction, ATR- Fourier Transform Infra-Red Spectroscopy, Energy Dispersive X-ray spectroscopy, Photoluminescence, Cyclic Voltammetry and chronocoulometry. A 3 fold increase in the optical band gap of IrSe quantum dot in comparison to reported bulk IrSe is observed consistent with the effective mass approximation theory for semiconductor materials of particles sizes < 10 nm. The PL emission of the IrSe quantum dot is at 519 nm. Their electro-activity is studied on gold electrodes and exhibit reduction and oxidation at - 107 mV and +641 mV, with lowered reductive potentials. The synthesized quantum dot are suitable for low energy requiring electrochemical applications such as biological sensors and candidates for further investigation as photoluminescent biological labels.
Akdas, Tugce [Verfasser], et Wolfgang [Gutachter] Peukert. « Colloidal Semiconductor Nanocrystals : The Interplay of Process Steps and Product Properties for the Case of non-toxic Compound Chalcogenide Quantum Dots / Tugce Akdas ; Gutachter : Wolfgang Peukert ». Erlangen : Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 2017. http://d-nb.info/1129455106/34.
Texte intégralChassin, de Kergommeaux Antoine. « Synthèse de nouveaux types de nanocristaux semi-conducteurs pour application en cellules solaires ». Thesis, Grenoble, 2012. http://www.theses.fr/2012GRENV057/document.
Texte intégralIn order to be cost-effective, photovoltaic energy conversion needs to improve the solar cell efficiencies while decreasing the production costs. Nanocrystal based solar cells could fulfil these requirements through solution-processing, band gap and energy level engineering. PbS nanocrystal thin films already proved their potential for use as solar cell active materials with power conversion efficiencies approaching 7%. However, since lead based compounds are not compatible with European regulations and present high risks for health and environment, semiconductor nanocrystals of alternative materials have to be developed. This thesis focuses on novel types of semiconductor nanocrystals and their application in photovoltaics. The first part of the study deals with the synthesis of size- and shape-controlled CuInSe2 and SnS nanocrystals. An in-depth investigation of the structure of SnS nanocrystals using Mössbauer spectroscopy revealed their high oxidation sensitivity, which limits their usability in optoelectronic devices after air exposure. The second part deals with the thin film preparation and the surface ligand exchange of the obtained nanocrystals. Using a fully inorganic nanocrystal-surface ligand system, the deposited films exhibited a current density improved by four orders of magnitude as compared to the initial ligands. Finally, solar cell devices based on nanocrystal thin films were fabricated, which showed encouraging results with a clear photovoltaic effect when processed under inert atmosphere
Livres sur le sujet "Chalcogenide quantum dots"
Xiao, Chong. Synthesis and Optimization of Chalcogenides Quantum Dots Thermoelectric Materials. Berlin, Heidelberg : Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-49617-6.
Texte intégralXiao, Chong. Synthesis and Optimization of Chalcogenides Quantum Dots Thermoelectric Materials. Springer, 2016.
Trouver le texte intégralXiao, Chong. Synthesis and Optimization of Chalcogenides Quantum Dots Thermoelectric Materials. Springer, 2018.
Trouver le texte intégralXiao, Chong. Synthesis and Optimization of Chalcogenides Quantum Dots Thermoelectric Materials. Springer London, Limited, 2016.
Trouver le texte intégralCadmium Telluride Quantum Dots : Advances and Applications. Taylor & Francis Group, 2013.
Trouver le texte intégralDonegan, John, et Yury Rakovich. Cadmium Telluride Quantum Dots : Advances and Applications. Jenny Stanford Publishing, 2016.
Trouver le texte intégralChapitres de livres sur le sujet "Chalcogenide quantum dots"
Renuga, V., et C. Neela Mohan. « Design, Synthesis, and Properties of I-III-VI2 Chalcogenide-Based Core-Multishell Nanocrystals ». Dans Core/Shell Quantum Dots, 29–66. Cham : Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-46596-4_2.
Texte intégralAlam, Mir Waqas, et Ahsanulhaq Qurashi. « Metal Chalcogenide Quantum Dots for Hybrid Solar Cell Applications ». Dans Metal Chalcogenide Nanostructures for Renewable Energy Applications, 233–46. Hoboken, NJ, USA : John Wiley & Sons, Inc., 2014. http://dx.doi.org/10.1002/9781119008934.ch10.
Texte intégralHussain, Raja Azadar. « Nanomaterials for dye degradation ». Dans Nanoscience, 171–98. Royal Society of Chemistry, 2023. http://dx.doi.org/10.1039/9781839169427-00171.
Texte intégralZou, Xie, Zhe Sun et Zhonglin Du. « Metal-chalcogenides nanocomposites as counter electrodes for quantum dots sensitized solar cells ». Dans Metal-Chalcogenide Nanocomposites, 167–85. Elsevier, 2024. http://dx.doi.org/10.1016/b978-0-443-18809-1.00010-9.
Texte intégralKhaledian, Salar, Mohadese Abdoli, Reza Fatahian et Saleh Salehi Zahabi. « Quantum Dots in Cancer Cell Imaging ». Dans Quantum Dots - Recent Advances, New Perspectives and Contemporary Applications. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.107671.
Texte intégralCristina Vasconcelos, Helena. « Optical Nonlinearities in Glasses ». Dans Nonlinear Optics - Nonlinear Nanophotonics and Novel Materials for Nonlinear Optics. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.101774.
Texte intégralJiang, Xiaomei. « In-Gap State of Lead Chalcogenides Quantum Dots ». Dans Fingerprints in the Optical and Transport Properties of Quantum Dots. InTech, 2012. http://dx.doi.org/10.5772/36404.
Texte intégralActes de conférences sur le sujet "Chalcogenide quantum dots"
Guyot-Sionnest, Philippe. « Mercury Chalcogenide Quantum Dots for Infrared Detection ». Dans Internet Conference for Quantum Dots. València : Fundació Scito, 2020. http://dx.doi.org/10.29363/nanoge.icqd.2020.056.
Texte intégralde Mello Donega, Celso, Christina H.M. van Oversteeg, Chenghui Xia, Da Wang, Veerle Bogaards, Sandra Van Aert, Johannes Meeldijk et Sara Bals. « Compound Copper Chalcogenide-Based Heteronanorods : New Materials for Energy Harvesting ». Dans Internet Conference for Quantum Dots. València : Fundació Scito, 2020. http://dx.doi.org/10.29363/nanoge.icqd.2020.012.
Texte intégralAkkerman, Quinten A., et Liberato Manna. « Energy Harvesting with Redesigned Colloidal Metal Halide, Chalcogenide and Chalcohalide Nanocrystals ». Dans Internet Conference for Quantum Dots. València : Fundació Scito, 2020. http://dx.doi.org/10.29363/nanoge.icqd.2020.104.
Texte intégralKuno, Masaru K., Keith A. Higginson, John E. Bonevich, Syen B. Qadri, M. Yousuf et Hedi M. Mattoussi. « Synthesis and characterization of colloidal mercury chalcogenide quantum dots ». Dans International Symposium on Optical Science and Technology, sous la direction de Zeno Gaburro. SPIE, 2002. http://dx.doi.org/10.1117/12.452245.
Texte intégralMelnychuk, Christopher, et Philippe Guyot-Sionnest. « Carrier dynamics in small-gap mercury chalcogenide colloidal quantum dots ». Dans Physical Chemistry of Semiconductor Materials and Interfaces XVIII, sous la direction de Daniel Congreve, Hugo A. Bronstein, Christian Nielsen et Felix Deschler. SPIE, 2019. http://dx.doi.org/10.1117/12.2525354.
Texte intégralTang, Xin, Guangfu Wu et King Wai Chiu Lai. « Interband and intraband optical transitions in mercury chalcogenide colloidal quantum dots ». Dans 2017 IEEE 17th International Conference on Nanotechnology (IEEE-NANO). IEEE, 2017. http://dx.doi.org/10.1109/nano.2017.8117308.
Texte intégralShuklov, Ivan A., et Irina I. Soboleva. « Novel Approach to the Preparation of Lead Chalcogenide Colloidal Quantum Dots and Properties Thereof ». Dans IOCN 2023. Basel Switzerland : MDPI, 2023. http://dx.doi.org/10.3390/iocn2023-14522.
Texte intégralOuyang, Jianying, Yanguang Zhang, Jianping Lu, Ta-Ya Chu, Neil Graddage, Patrick Malenfant et Ye Tao. « Synthesis of Monodisperse Silver Chalcogenide Quantum Dots with Elevated Precursor Reactivity for the Application in Near Infrared Photodetectors ». Dans 2019 IEEE International Flexible Electronics Technology Conference (IFETC). IEEE, 2019. http://dx.doi.org/10.1109/ifetc46817.2019.9073720.
Texte intégralPatel, Neil, Scott Geyer, Jennifer Scherer, Moungi Bawendi, Nathan Carlie, J. David Musgraves, Kathleen Richardson et al. « Infrared Colloidal Quantum Dot Chalcogenide Films for Integrated Light Sources ». Dans Integrated Photonics Research, Silicon and Nanophotonics. Washington, D.C. : OSA, 2011. http://dx.doi.org/10.1364/iprsn.2011.iwg3.
Texte intégralRong, Eric, Arlene Chiu, Christianna Bambini, Yida Lin, Chengchangfeng Lu et Susanna M. Thon. « New Chalcogenide-Based Hole Transport Materials for Colloidal Quantum Dot Photovoltaics ». Dans 2021 IEEE 48th Photovoltaic Specialists Conference (PVSC). IEEE, 2021. http://dx.doi.org/10.1109/pvsc43889.2021.9518695.
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