Results 71 to 80 of about 438,801 (242)

Triarylamine Trisamide Interfacial Modulation for Perovskite Photovoltaics

Advanced Materials Interfaces
Hybrid perovskites stand out as one of the leading materials in the new generation of photovoltaics. Their stability under operating conditions, however, remains an ongoing challenge.
Masaud Almalki, Ghewa AlSabeh, Marco A. Ruiz‐Preciado, Hong Zhang, Melodie Galerne, Emilie Moulin, Felix Thomas Eickemeyer, Shaik M. Zakeeruddin, Jovana V. Milić, Nicolas Giuseppone, Michael Grätzel   +10 more
doaj   +1 more source

Low cost triazatruxene hole transporting material for >20% efficiency perovskite solar cells

Journal of Materials Chemistry C, 2019
Organic hole-transporting materials (HTM) have shown excellent ability in achieving high efficiency perovskite solar cells.
A. Connell, Zhiping Wang, Yen‐Hung Lin, Peter Greenwood, A. Wiles, Eurig W Jones, L. Furnell, R. Anthony, Christopher P. Kershaw, G. Cooke, H. Snaith, P. Holliman   +11 more
semanticscholar   +1 more source

Acridine-Triphenylamine Based Hole-Transporting and Hole-Injecting Material for Highly Efficient Phosphorescent-Based Organic Light Emitting Diodes

Applied Sciences, 2018
In this study, triphenylamine-based hole-transporting material 4-(9,9-diphenylacridin-10(9H)-yl)-N-(4-(9,9-diphenylacridin-10(9H)-yl) phenyl)-N-phenylaniline (TPA-1A) was designed and synthesized by using single-step Buchwald–Hartwig coupling ...
Ramanaskanda Braveenth, Il-Ji Bae, Yan Wang, Soo Hyeon Kim, Miyoung Kim, Kyu Yun Chai   +5 more
doaj   +1 more source

Introduction of Graphene Oxide as Buffer Layer in Perovskite Solar Cells and the Promotion of Soluble n-Butyl-substituted Copper Phthalocyanine as Efficient Hole Transporting Material

, 2017
Organometal halide perovskite solar cells have been constructed using soluble tetra-n-butyl-copper phthalocyanine as hole transporting material. Devices were constructed and characterized under ambient conditions of 50–60% ambient humidity.
E. Nouri, Yulong Wang, Qian Chen, Jiaju Xu, G. Paterakis, V. Dracopoulos, Zongxiang Xu, D. Tasis, M. Mohammadi, P. Lianos   +9 more
semanticscholar   +2 more sources

Light-Emitting and Hole-Transporting Polymers for LEDs

, 1997
Various copolymers of arylene vinylenes, having strong fluorescence, showed predominantly the emission in the multi-layer device using an electron-transporting material(ETM) such as tris(8-quinolinolato)aluminum(Alq3).
Toshihiro Ohnishi, Shuji Doi, Masato Ueda, Fumi Yamaguchi, Takanobu Noguchi   +4 more
core   +1 more source

Charge carrier transport in perylene-based and pyrene-based columnar liquid crystals

Beilstein Journal of Organic Chemistry, 2023
Electron and hole transport characteristics were evaluated for perylene-based and pyrene-based compounds using electron-only and hole-only devices. The perylene presented a columnar hexagonal liquid crystal phase at room temperature with strong molecular
Alessandro L. Alves, Simone V. Bernardino, Carlos H. Stadtlober, Edivandro Girotto, Giliandro Farias, Rodney M. do Nascimento, Sergio F. Curcio, Thiago Cazati, Marta E. R. Dotto, Juliana Eccher, Leonardo N. Furini, Hugo Gallardo, Harald Bock, Ivan H. Bechtold   +13 more
doaj   +1 more source

Dopant-Free Hole-Transporting Material with a C3h Symmetrical Truxene Core for Highly Efficient Perovskite Solar Cells.

Journal of the American Chemical Society, 2016
Herein we present a new structural design of hole-transporting material, Trux-OMeTAD, which consists of a C3h Truxene-core with arylamine terminals and hexyl side-chains.
Chuyi Huang, W. Fu, Chang‐Zhi Li, Zhongqiang Zhang, W. Qiu, M. Shi, P. Heremans, A. Jen, Hongzheng Chen   +8 more
semanticscholar   +1 more source

Perovskite Solar Cells with 12.8% Efficiency by Using Conjugated Quinolizino Acridine Based Hole Transporting Material

, 2016
A low band gap quinolizino acridine based molecule was designed and synthesized as new hole transporting material for organic–inorganic hybrid lead halide perovskite solar cells.
Jaejung Ko (1714603), Mohammad Khaja Nazeeruddin (1342056), Michael Grätzel (1276275), M. Ibrahim Dar (1342071), Norman Pellet (1631179), Peng Qin (403073), Sanghyun Paek (1714600)   +6 more
core   +1 more source

Effect of the Number of Phenylcarbazole Units Adorned to the Silicon Atom for High Triplet Energy with High Charge Mobility

Molecules
Increasing the number of phenylcarbazole (PC) units attached to the silicon atom in organic solid-state thin films led to a remarkable enhancement in charge mobility.
Mina Ahn, Sunhee Lee, Min-Ji Kim, Jeongyoon Kim, Jina Lee, Heejun Nam, Kyung-Ryang Wee, Won-Sik Han   +7 more
doaj   +1 more source

Synthesis and Application of Organic Hole Transporting Materials for Perovskite Solar Cells at Doped-Free Condition [PDF]

شیمی کاربردی روز
In recent years, numerous efforts have been made to synthesize new hole-transporting materials for perovskite solar cells with the aim of replacing spiro-OMeTAD. However, to improve the conductivity and mobility of these materials, chemical additives are
Esmaeil Sheibani, Mostafa Moslempoor, Maryam Ghiasabadi   +2 more
doaj   +1 more source