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Journal articles on the topic 'Organic Hole transporting materials'

Author: Grafiati

Published: 1 February 2025

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1

Świst, Agnieszka, Jadwiga Sołoducho, Przemysław Data, and Mieczysław Łapkowski. "Thianthrene-based oligomers as hole transporting materials." Arkivoc 2012, no. 3 (January 24, 2012): 193–209. http://dx.doi.org/10.3998/ark.5550190.0013.315.

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2

Namespetra, Andrew M., Arthur D. Hendsbee, Gregory C. Welch, and Ian G. Hill. "Development of simple hole-transporting materials for perovskite solar cells." Canadian Journal of Chemistry 94, no. 4 (April 2016): 352–59. http://dx.doi.org/10.1139/cjc-2015-0427.

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Three low-cost propeller-shaped small molecules based on a triphenylamine core and the high-performance donor molecule 7,7′-[4,4-bis(2-ethylhexyl)-4H-silolo[3,2-b:4,5-b′]dithiophene-2,6-diyl]bis[6-fluoro-4-(5′-hexyl-[2,2′-bithiophen]-5-yl)benzo[c][1,2,5]thiadiazole] (DTS(FBTTh2)2) were investigated as hole-transporting materials in perovskite solar cells. Each hole-transporting material was designed with highly modular side arms, allowing for different bandgaps and thin-film properties while maintaining a consistent binding energy of the highest occupied molecular orbitals to facilitate hole extraction from the perovskite active layer. Perovskite solar cell devices were fabricated with each of the three triphenylamine-based hole-transporting materials and DTS(FBTTh2)2 and were compared to devices with 2,2′,7,7′-tetrakis(N,N-di-p-methoxyphenylamine)-9,9′-spirobifluorene (spiro-OMeTAD) hole-transporting layers. Each of our triphenylamine hole-transporting materials and DTS(FBTTh2)2 displayed surface morphologies that were considerably rougher than that of spiro-OMeTAD; a factor that may contribute to lower device performance. It was found that using inert, insulating polymers as additives with DTS(FBTTh2)2 reduced the surface roughness, resulting in devices with higher photocurrents.

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3

Zhao, Xiaojuan, and Mingkui Wang. "Organic hole-transporting materials for efficient perovskite solar cells." Materials Today Energy 7 (March 2018): 208–20. http://dx.doi.org/10.1016/j.mtener.2017.09.011.

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4

Cho, Young Joon, Min Ji Jeong, Ji Hye Park, Weiguang Hu, Jongchul Lim, and Hyo Sik Chang. "Charge Transporting Materials Grown by Atomic Layer Deposition in Perovskite Solar Cells." Energies 14, no. 4 (February 22, 2021): 1156. http://dx.doi.org/10.3390/en14041156.

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Charge transporting materials (CTMs) in perovskite solar cells (PSCs) have played an important role in improving the stability by replacing the liquid electrolyte with solid state electron or hole conductors and enhancing the photovoltaic efficiency by the efficient electron collection. Many organic and inorganic materials for charge transporting in PSCs have been studied and applied to increase the charge extraction, transport and collection, such as Spiro-OMeTAD for hole transporting material (HTM), TiO2 for electron transporting material (ETM) and MoOX for HTM etc. However, recently inorganic CTMs are used to replace the disadvantages of organic materials in PSCs such as, the long-term operational instability, low charge mobility. Especially, atomic layer deposition (ALD) has many advantages in obtaining the conformal, dense and virtually pinhole-free layers. Here, we review ALD inorganic CTMs and their function in PSCs in view of the stability and contribution to enhancing the efficiency of photovoltaics.

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5

Jia, Haoran, Huanyu Ma, Xiangyang Liu, Donghui Xu, Ting Yuan, Chao Zou, and Zhan'ao Tan. "Engineering organic–inorganic perovskite planar heterojunction for efficient carbon dots based light-emitting diodes." Applied Physics Reviews 9, no. 2 (June 2022): 021406. http://dx.doi.org/10.1063/5.0085692.

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When it comes to building high-efficiency thin-film optoelectronic devices, we are constantly striving to improve the efficiency of charge transport and injection. Device performance is hampered by the low mobility and injection ability of organic charge transporting materials that are routinely used. In this paper, we show that instead of using organics as a hole transporting layer, metal halide perovskite can be used to fabricate high-efficiency carbon dots-based light-emitting diodes for the first time. The organic light-emitting layer and the underlying perovskite layer combine to form an organic–inorganic perovskite planar heterojunction, and the sufficient contact at the junction takes advantage of the high charge mobility of perovskite, facilitating the hole transportation and injection. Moreover, the interaction between perovskite and the organic emitting layer can be engineered via manipulating the halogenic component, thickness, surface morphology, etc., contributing to the device optimization and the understanding of the carrier kinetics in this unique organic–inorganic hybrid optoelectronic device. Our work comprehensively evaluates the full potentials of metal halide perovskite as a hole transporting layer by uncovering the positive effect on hole transportation and injection. As a consequence, our findings open up new avenues for the development of efficient carbon dot-based light-emitting diodes.

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6

Shahnawaz, Shahnawaz, Sujith Sudheendran Swayamprabha, Mangey Ram Nagar, Rohit Ashok Kumar Yadav, Sanna Gull, Deepak Kumar Dubey, and Jwo-Huei Jou. "Hole-transporting materials for organic light-emitting diodes: an overview." Journal of Materials Chemistry C 7, no. 24 (2019): 7144–58. http://dx.doi.org/10.1039/c9tc01712g.

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7

Mehdi, S., R. Amraoui, and A. Aissat. "Numerical investigation of organic light emitting diode OLED with different hole transport materials." Digest Journal of Nanomaterials and Biostructures 17, no. 3 (August 1, 2022): 781. http://dx.doi.org/10.15251/djnb.2022.173.781.

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In this paper, a comparative study between four OLEDs devices is carried out. The bi- layers device (A) (consists of) Hole Injection Layer (HIL)/Electron Transport Layer (ETL), the multilayer device (B) (consists of) HIL Layer/Hole Transport Layer (HTL)/ETL Layer. The influence of the hole transporting material on the performance of the three layers OLEDs was investigated. Three different HTL materials were used: α- NPD, TAPC and p-TTA with the same electron transporting material as Alq3; (these holes transport material consists the devices (B), (C) and (D) respectively). The carrier injection, Langevin recombination rate, singlet exciton density and the power of luminescent are demonstrated. The simulation results shows that the insertion of a thin HTL layer between HIL and ETL layers increases the characteristics of the device (B)as: 6.19.1025 cm-3s-1 of the Langevin recombination rate, 1.16.1015cm-3 of the singlet exciton density and 0.04232 W/μm2 of the luminescence power. Moreover, the insertion of TAPC as HTL material gives rise to 1.36.1026 cm-3s-1 of the Langevin recombination rate, 2.1015cm-3 of the singlet exciton density and 0.075 w/μm2 of the luminescence power.

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8

Pham, Hong Duc, Terry Chien‐Jen Yang, Sagar M. Jain, Gregory J. Wilson, and Prashant Sonar. "Hole Transporting Materials: Development of Dopant‐Free Organic Hole Transporting Materials for Perovskite Solar Cells (Adv. Energy Mater. 13/2020)." Advanced Energy Materials 10, no. 13 (April 2020): 2070057. http://dx.doi.org/10.1002/aenm.202070057.

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9

Yuqiu, Qu, Zhang Liuyang, An Limin, and Wei Hong. "Investigation on photoluminescence quenching of CdSe/ZnS quantum dots by organic charge transporting materials." Materials Science-Poland 33, no. 4 (December 1, 2015): 709–13. http://dx.doi.org/10.1515/msp-2015-0120.

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AbstractThe effect of different organic charge transporting materials on the photoluminescence of CdSe/ZnS core/shell quantum dots has been studied by means of steady-state and time-resolved photoluminescence spectroscopy. With an increase in concentration of the organic charge transporting material in the quantum dots solutions, the photoluminescence intensity of CdSe/ZnS quantum dots was quenched greatly and the fluorescence lifetime was shortened gradually. The quenching efficiency of CdSe/ZnS core/shell quantum dots decreased with increasing the oxidation potential of organic charge transporting materials. Based on the analysis, two pathways in the photoluminescence quenching process have been defined: static quenching and dynamic quenching. The dynamic quenching is correlated with hole transporting from quantum dots to the charge transporting materials.

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10

Chooppawa, Tianchai, Supawadee Namuangruk, Hiroshi M. Yamamoto, Vinich Promarak, and Paitoon Rashatasakhon. "Synthesis, characterization, and hole-transporting properties of benzotriazatruxene derivatives." Journal of Materials Chemistry C 7, no. 47 (2019): 15035–41. http://dx.doi.org/10.1039/c9tc04155a.

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11

Sun, Dianming, Zhongjie Ren, Martin R. Bryce, and Shouke Yan. "Arylsilanes and siloxanes as optoelectronic materials for organic light-emitting diodes (OLEDs)." Journal of Materials Chemistry C 3, no. 37 (2015): 9496–508. http://dx.doi.org/10.1039/c5tc01638j.

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Arylsilanes and siloxanes have been extensively studied as components of OLEDs. In this review, we summarize the recent advances in the utilization of arylsilanes and siloxanes as fluorophore emitters, hosts for phosphor emitters, hole and exciton blocking materials, and as electron and hole transporting materials.

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12

LIU, Xue-Peng, Fan-Tai KONG, Wang-Chao CHEN, Ting YU, Fu-Ling GUO, Jian CHEN, and Song-Yuan DAI. "Application of Organic Hole-Transporting Materials in Perovskite Solar Cells." Acta Physico-Chimica Sinica 32, no. 6 (2016): 1347–70. http://dx.doi.org/10.3866/pku.whxb201603143.

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13

Shao, Ke-Feng, Ying-Feng Li, Lian-Ming Yang, Xin-Jun Xu, Gui Yu, and Yun-Qi Liu. "HighTgFluorene-based Hole-transporting Materials for Organic Light-emitting Diodes." Chemistry Letters 34, no. 12 (December 2005): 1604–5. http://dx.doi.org/10.1246/cl.2005.1604.

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14

Lv, Hai Jun, Yi Feng Yu, Lei Liu, Ai Bing Chen, Zhi Chao Hu, and Kai Huang. "Synthesis and Properties of Novel Hole-Transporting Materials Containing Triphenylamine and Bipyridine Units." Advanced Materials Research 690-693 (May 2013): 619–22. http://dx.doi.org/10.4028/www.scientific.net/amr.690-693.619.

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Novel hole-transporting materials (M1, M2) containing triphenylamine and dipyridine units have been synthesized and characterized. Two compounds have excellent solubility in common solvents. The optical, electrochemical and thermal properties of the materials were studied in detail. The results show that two compounds have green emission in dichloromethane, high thermal stability and proper HOMO levels. The properties of compounds M1 and M2 indicate that two compounds are candidates for the application in Organic light-emitting devices as hole-transporting materials.

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15

Getautis, V., J. V. Grazulevicius, M. Daskeviciene, T. Malinauskas, D. Jankunaite, V. Gaidelis, V. Jankauskas, J. Sidaravicius, and Z. Tokarski. "Novel hydrazone based polymers as hole transporting materials." Polymer 46, no. 19 (September 2005): 7918–22. http://dx.doi.org/10.1016/j.polymer.2005.06.085.

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16

Neogi, Ishita, Samik Jhulki, Madhu Rawat, R. S. Anand, Tahsin J. Chow, and Jarugu Narasimha Moorthy. "Organic amorphous hole-transporting materials based on Tröger's Base: alternatives to NPB." RSC Advances 5, no. 34 (2015): 26806–10. http://dx.doi.org/10.1039/c5ra03391h.

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17

Li, Ming-Hsien, Che-Wei Hsu, Po-Shen Shen, Hsin-Min Cheng, Yun Chi, Peter Chen, and Tzung-Fang Guo. "Novel spiro-based hole transporting materials for efficient perovskite solar cells." Chemical Communications 51, no. 85 (2015): 15518–21. http://dx.doi.org/10.1039/c5cc04405g.

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18

Yao, Huiyun, Tai Wu, Bingxue Wu, Heng Zhang, Zhihui Wang, Zhe Sun, Song Xue, Yong Hua, and Mao Liang. "The triple π-bridge strategy for tailoring indeno[2,1-b]carbazole-based HTMs enables perovskite solar cells with efficiency exceeding 21%." Journal of Materials Chemistry A 9, no. 13 (2021): 8598–606. http://dx.doi.org/10.1039/d1ta00315a.

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19

Connell, Arthur, Zhiping Wang, Yen-Hung Lin, Peter C. Greenwood, Alan A. Wiles, Eurig W. Jones, Leo Furnell, et al. "Low cost triazatruxene hole transporting material for >20% efficiency perovskite solar cells." Journal of Materials Chemistry C 7, no. 18 (2019): 5235–43. http://dx.doi.org/10.1039/c8tc04231d.

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20

Zhu, Li Lin, Bing Zhang, Kai Xuan Zhou, Jian Xi Yao, and Song Yuan Dai. "Molecular Dynamics of the Assembly Modes of the Oligothiophene Polymers with Different Chain Lengths." Key Engineering Materials 727 (January 2017): 476–81. http://dx.doi.org/10.4028/www.scientific.net/kem.727.476.

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The spatial packing modes of organic hole transporting materials exert a significant effect on the charge mobility. However it is difficult to reasonably design the materials with high-charge transfer performances due to the limits of the data regarding crystal structures. In this work, molecular dynamics simulation was used to find the new spatial packing ways of organic photoelectric materials containing oligothiophene based on randomly distributed initial structures. This work lays a theoretical foundation for designing favorable organic carrier transporting materials.

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21

Anrango-Camacho, Cinthya, Karla Pavón-Ipiales, Bernardo A. Frontana-Uribe, and Alex Palma-Cando. "Recent Advances in Hole-Transporting Layers for Organic Solar Cells." Nanomaterials 12, no. 3 (January 28, 2022): 443. http://dx.doi.org/10.3390/nano12030443.

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Global energy demand is increasing; thus, emerging renewable energy sources, such as organic solar cells (OSCs), are fundamental to mitigate the negative effects of fuel consumption. Within OSC’s advancements, the development of efficient and stable interface materials is essential to achieve high performance, long-term stability, low costs, and broader applicability. Inorganic and nanocarbon-based materials show a suitable work function, tunable optical/electronic properties, stability to the presence of moisture, and facile solution processing, while organic conducting polymers and small molecules have some advantages such as fast and low-cost production, solution process, low energy payback time, light weight, and less adverse environmental impact, making them attractive as hole transporting layers (HTLs) for OSCs. This review looked at the recent progress in metal oxides, metal sulfides, nanocarbon materials, conducting polymers, and small organic molecules as HTLs in OSCs over the past five years. The endeavors in research and technology have optimized the preparation and deposition methods of HTLs. Strategies of doping, composite/hybrid formation, and modifications have also tuned the optical/electrical properties of these materials as HTLs to obtain efficient and stable OSCs. We highlighted the impact of structure, composition, and processing conditions of inorganic and organic materials as HTLs in conventional and inverted OSCs.

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22

Daskeviciene, Maryte, Sanghyun Paek, Artiom Magomedov, Kyoung Taek Cho, Michael Saliba, Ausra Kizeleviciute, Tadas Malinauskas, et al. "Molecular engineering of enamine-based small organic compounds as hole-transporting materials for perovskite solar cells." Journal of Materials Chemistry C 7, no. 9 (2019): 2717–24. http://dx.doi.org/10.1039/c8tc06297h.

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23

Usluer, Özlem. "New spirobifluorene-based hole-transporting semiconductors for electroluminescent devices." J. Mater. Chem. C 2, no. 38 (2014): 8098–104. http://dx.doi.org/10.1039/c4tc01458h.

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24

Deng, Jidong, Weixia Hu, Wei Shen, Ming Li, and Rongxing He. "Exploring the electrochemical properties of hole transporting materials from first-principles calculations: an efficient strategy to improve the performance of perovskite solar cells." Physical Chemistry Chemical Physics 21, no. 3 (2019): 1235–41. http://dx.doi.org/10.1039/c8cp06693k.

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25

Kim, Young Kook, and Seok-Hwan Hwang. "Highly efficient organic light-emitting diodes using novel hole-transporting materials." Synthetic Metals 156, no. 16-17 (August 2006): 1028–35. http://dx.doi.org/10.1016/j.synthmet.2006.06.025.

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26

Ren, Xiaofan, Bert D. Alleyne, Peter I. Djurovich, Chihaya Adachi, Irina Tsyba, Robert Bau, and Mark E. Thompson. "Organometallic Complexes as Hole-Transporting Materials in Organic Light-Emitting Diodes." Inorganic Chemistry 43, no. 5 (March 2004): 1697–707. http://dx.doi.org/10.1021/ic035183f.

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27

Tanaka, Hiromitsu, Shizou Tokito, Yasunori Taga, and Akane Okada. "Novel hole-transporting materials based on triphenylamine for organic electroluminescent devices." Chemical Communications, no. 18 (1996): 2175. http://dx.doi.org/10.1039/cc9960002175.

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28

Sheibani, Esmaeil, Li Yang, and Jinbao Zhang. "Recent Advances in Organic Hole Transporting Materials for Perovskite Solar Cells." Solar RRL 4, no. 12 (September 29, 2020): 2000461. http://dx.doi.org/10.1002/solr.202000461.

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29

Getautis, V., O. Paliulis, R. Degutyte, and I. Paulauskaite. "Synthesis of New Branched Hydrazones as Potential Hole-transporting Materials." Chemistry of Heterocyclic Compounds 40, no. 1 (January 2004): 90–93. http://dx.doi.org/10.1023/b:cohc.0000023774.99588.5b.

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30

Jhulki, Samik, and Jarugu Narasimha Moorthy. "Small molecular hole-transporting materials (HTMs) in organic light-emitting diodes (OLEDs): structural diversity and classification." Journal of Materials Chemistry C 6, no. 31 (2018): 8280–325. http://dx.doi.org/10.1039/c8tc01300d.

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31

Tagare, Jairam, Rohit Ashok Kumar Yadav, Sujith Sudheendran Swayamprabha, Deepak Kumar Dubey, Jwo-Huei Jou, and Sivakumar Vaidyanathan. "Efficient solution-processed deep-blue CIEy ∈ (0.05) and pure-white CIEx,y ∈ (0.34, 0.32) organic light-emitting diodes: experimental and theoretical investigation." Journal of Materials Chemistry C 9, no. 14 (2021): 4935–47. http://dx.doi.org/10.1039/d1tc00228g.

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Two bipolar non-conjugated deep-blue emitters, PICFOCz and BICFOCz, were synthesized by incorporating the charge transporting carbazole (donor/hole transporting) and imidazole (acceptor/electron transporting) moieties via a flexible alkyl spacer.

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32

Matsuo, Yutaka, and Hao-Sheng Lin. "(Invited) Toward Nanocarbon Materials-Based Organic and Perovskite Solar Cells." ECS Meeting Abstracts MA2022-01, no. 10 (July 7, 2022): 796. http://dx.doi.org/10.1149/ma2022-0110796mtgabs.

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In this presentation, we introduce our recent research progress on organic and perovskite solar cells using functionalized nanocarbon materials. We applied wet-processed scalable single-walled carbon nanotubes (SWCNT) films to transparent and back electrodes in organic solar cells for large area solar cells. Gas-phase growth SWCNT was dispersed with sodium dodecylbenzenesulfonate surfactant in an organic solvent and solution-coated on a treated glass substrate to make a SWCNT film as a transparent electrode. We achieved the first high efficiency e-DIPS/wet-processed SWCNT film electrode in organic solar cells with a best-efficiency of 5.93% through the optimized HNO3 doping methodology. We also report enhanced hole-transporting ability of widely utilized poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) (PEDOT:PSS) achieved by applying cationic nitrogen-doped graphene (CNG) as a p-type modifier for efficient organic solar cells. The power conversion efficiency of the CNG-coated PEDOT:PSS-applied OSC reaches 2.76% using poly(3-hexylthiophene), which is an increase of 40% compared to that of the pristine PEDOT:PSS-applied OSC (1.96%). This technology improved the efficiency of organic solar cells using a low-bandgap polymer from 6.54% to 7.79%. The significantly enhanced performance is contributed by the increased hole-transporting ability, and the improved interfacial morphology of PEDOT:PSS.

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33

Huang, Dingyan, Huimin Xiang, Ran Ran, Wei Wang, Wei Zhou, and Zongping Shao. "Recent Advances in Nanostructured Inorganic Hole−Transporting Materials for Perovskite Solar Cells." Nanomaterials 12, no. 15 (July 28, 2022): 2592. http://dx.doi.org/10.3390/nano12152592.

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Organic−inorganic halide perovskite solar cells (PSCs) have received particular attention in the last decade because of the high−power conversion efficiencies (PCEs), facile fabrication route and low cost. However, one of the most crucial obstacles to hindering the commercialization of PSCs is the instability issue, which is mainly caused by the inferior quality of the perovskite films and the poor tolerance of organic hole−transporting layer (HTL) against heat and moisture. Inorganic HTL materials are regarded as promising alternatives to replace organic counterparts for stable PSCs due to the high chemical stability, wide band gap, high light transmittance and low cost. In particular, nanostructure construction is reported to be an effective strategy to boost the hole transfer capability of inorganic HTLs and then enhance the PCEs of PSCs. Herein, the recent advances in the design and fabrication of nanostructured inorganic materials as HTLs for PSCs are reviewed by highlighting the superiority of nanostructured inorganic HTLs over organic counterparts in terms of moisture and heat tolerance, hole transfer capability and light transmittance. Furthermore, several strategies to boost the performance of inorganic HTLs are proposed, including fabrication route design, functional/selectively doping, morphology control, nanocomposite construction, etc. Finally, the challenges and future research directions about nanostructured inorganic HTL−based PSCs are provided and discussed. This review presents helpful guidelines for the design and fabrication of high−efficiency and durable inorganic HTL−based PSCs.

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34

Kumar, Sudhir, Chih-Chia An, Snehasis Sahoo, Raimonda Griniene, Dmytro Volyniuk, Juozas V. Grazulevicius, Saulius Grigalevicius, and Jwo-Huei Jou. "Solution-processable naphthalene and phenyl substituted carbazole core based hole transporting materials for efficient organic light-emitting diodes." Journal of Materials Chemistry C 5, no. 38 (2017): 9854–64. http://dx.doi.org/10.1039/c7tc03049e.

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Solution-processable molecular hole transporting materials (HTMs) are crucial to realize inexpensive fabrication of energy-efficient and large area organic light emitting diodes (OLEDs) for next-generation displays and lighting.

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35

Liu, Xicheng, Junfei Liang, Jing You, Lei Ying, Yin Xiao, Shirong Wang, and Xianggao Li. "Small molecular hole-transporting and emitting materials for hole-only green organic light-emitting devices." Dyes and Pigments 131 (August 2016): 41–48. http://dx.doi.org/10.1016/j.dyepig.2016.03.052.

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36

Kwak, Chan Kyu, Gabriel E. Pérez, Benjamin G. Freestone, Sulaiman A. Al-Isaee, Ahmed Iraqi, David G. Lidzey, and Alan D. F. Dunbar. "Improved efficiency in organic solar cells via conjugated polyelectrolyte additive in the hole transporting layer." Journal of Materials Chemistry C 4, no. 45 (2016): 10722–30. http://dx.doi.org/10.1039/c6tc03771b.

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The water soluble conjugated polyelectrolyte was synthesised by Suzuki cross coupling and increased the power conversion efficiency by improving hole charge transfer from active layer into the hole transporting layer.

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37

Ti, Dan, Kun Gao, Zhi-Pan Zhang, and Liang-Ti Qu. "Conjugated Polymers as Hole Transporting Materials for Solar Cells." Chinese Journal of Polymer Science 38, no. 5 (December 23, 2019): 449–58. http://dx.doi.org/10.1007/s10118-020-2369-y.

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38

Guo, Yaxiong, Hongwei Lei, Liangbin Xiong, Borui Li, and Guojia Fang. "An integrated organic–inorganic hole transport layer for efficient and stable perovskite solar cells." Journal of Materials Chemistry A 6, no. 5 (2018): 2157–65. http://dx.doi.org/10.1039/c7ta09946k.

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39

Kumar, Sudhir, Chih-Chia An, Snehasis Sahoo, Raimonda Griniene, Dmytro Volyniuk, Juozas V. Grazulevicius, Saulius Grigalevicius, and Jwo-Huei Jou. "Correction: Solution-processable naphthalene and phenyl substituted carbazole core based hole transporting materials for efficient organic light-emitting diodes." Journal of Materials Chemistry C 5, no. 44 (2017): 11649. http://dx.doi.org/10.1039/c7tc90170d.

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Correction for ‘Solution-processable naphthalene and phenyl substituted carbazole core based hole transporting materials for efficient organic light-emitting diodes’ by Sudhir Kumar et al., J. Mater. Chem. C, 2017, 5, 9854–9864.

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40

Stratakis, Emmanuel, Kyriaki Savva, Dimitrios Konios, Constantinos Petridis, and Emmanuel Kymakis. "Improving the efficiency of organic photovoltaics by tuning the work function of graphene oxide hole transporting layers." Nanoscale 6, no. 12 (2014): 6925–31. http://dx.doi.org/10.1039/c4nr01539h.

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41

Shaikh, Azam M., Bharat K. Sharma, Sajeev Chacko, and Rajesh M. Kamble. "Novel electroluminescent donor–acceptors based on dibenzo[a,c]phenazine as hole-transporting materials for organic electronics." New Journal of Chemistry 41, no. 2 (2017): 628–38. http://dx.doi.org/10.1039/c6nj03553a.

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Novel yellow-green fluorescent 3,6,11-trisubstitued-dibenzo[a,c]phenazine derivatives were synthesized via a Buchwald–Hartwig palladium-catalyzed C–N amination reaction for the hole-transporting materials.

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42

Kalinowski, J., and K. Szybowska. "Photoconduction in the archetype organic hole transporting material TPD." Organic Electronics 9, no. 6 (December 2008): 1032–39. http://dx.doi.org/10.1016/j.orgel.2008.08.006.

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43

Yildirim, Onur, Matteo Bonomo, Nadia Barbero, Cesare Atzori, Bartolomeo Civalleri, Francesca Bonino, Guido Viscardi, and Claudia Barolo. "Application of Metal-Organic Frameworks and Covalent Organic Frameworks as (Photo)Active Material in Hybrid Photovoltaic Technologies." Energies 13, no. 21 (October 26, 2020): 5602. http://dx.doi.org/10.3390/en13215602.

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Metal-organic frameworks (MOFs) and covalent organic frameworks (COFs) are two innovative classes of porous coordination polymers. MOFs are three-dimensional materials made up of secondary building blocks comprised of metal ions/clusters and organic ligands whereas COFs are 2D or 3D highly porous organic solids made up by light elements (i.e., H, B, C, N, O). Both MOFs and COFs, being highly conjugated scaffolds, are very promising as photoactive materials for applications in photocatalysis and artificial photosynthesis because of their tunable electronic properties, high surface area, remarkable light and thermal stability, easy and relative low-cost synthesis, and structural versatility. These properties make them perfectly suitable for photovoltaic application: throughout this review, we summarize recent advances in the employment of both MOFs and COFs in emerging photovoltaics, namely dye-sensitized solar cells (DSSCs) organic photovoltaic (OPV) and perovskite solar cells (PSCs). MOFs are successfully implemented in DSSCs as photoanodic material or solid-state sensitizers and in PSCs mainly as hole or electron transporting materials. An innovative paradigm, in which the porous conductive polymer acts as standing-alone sensitized photoanode, is exploited too. Conversely, COFs are mostly implemented as photoactive material or as hole transporting material in PSCs.

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Liu, Jian, Heng Zhang, Bingxue Wu, Lixue Sun, Yu Chen, Xueping Zong, Zhe Sun, Song Xue, and Mao Liang. "Simple Yet Efficient: Arylamine‐Terminated Carbazole Donors for Organic Hole Transporting Materials." Solar RRL 5, no. 12 (October 14, 2021): 2100694. http://dx.doi.org/10.1002/solr.202100694.

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Qiu, Yong, and Juan Qiao. "Photostability and morphological stability of hole transporting materials used in organic electroluminescence." Thin Solid Films 372, no. 1-2 (September 2000): 265–70. http://dx.doi.org/10.1016/s0040-6090(00)01007-5.

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Gao, Z. Q., C. S. Lee, I. Bello, and S. T. Lee. "White light electroluminescence from a hole-transporting layer of mixed organic materials." Synthetic Metals 111-112 (June 2000): 39–42. http://dx.doi.org/10.1016/s0379-6779(99)00434-8.

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Hwang, Seok-Hwan, Young Kook Kim, Yoonhyun Kwak, Chang-Ho Lee, Jonghyuk Lee, and Sungchul Kim. "Improved performance of organic light-emitting diodes using advanced hole-transporting materials." Synthetic Metals 159, no. 23-24 (December 2009): 2578–83. http://dx.doi.org/10.1016/j.synthmet.2009.09.015.

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Park, Jong-Yek, Jeong Mi Kim, Haejin Lee, Kwang-Youn Ko, Kyoung Soo Yook, Jun Yeob Lee, and Yong Gu Baek. "Thermally stable triphenylene-based hole-transporting materials for organic light-emitting devices." Thin Solid Films 519, no. 18 (July 2011): 5917–23. http://dx.doi.org/10.1016/j.tsf.2011.03.022.

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Stampor, Waldemar, and Wojciech Mróz. "Electroabsorption in triphenylamine-based hole-transporting materials for organic light-emitting diodes." Chemical Physics 331, no. 2-3 (January 2007): 261–69. http://dx.doi.org/10.1016/j.chemphys.2006.10.014.

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Cho, Ho Young, Lee Soon Park, Yoon Soo Han, Younghwan Kwon, and Jae-Yong Ham. "Organic Light-Emitting Devices Consisting ofN-Triarylamine-Based Hole Injecting/Transporting Materials." Molecular Crystals and Liquid Crystals 498, no. 1 (February 25, 2009): 314–22. http://dx.doi.org/10.1080/15421400802619735.

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