Results 71 to 80 of about 39,295 (204)

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

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

Intramolecular and interfacial dynamics of triarylamine-based hole transport materials

Photochemical & Photobiological Sciences, 2018
We present steady-state and time-resolved spectroscopic investigations combined with detailed kinetic modelling for the triarylamine derivatives X60 and PTAA which serve as hole transport materials (HTMs) in perovskite solar cells and represent model compounds for organic electronic materials.
Johannes R, Klein, Mirko, Scholz, Kawon, Oum, Thomas, Lenzer   +3 more
openaire   +2 more sources

Development of Simple Hole-transporting Materials for Perovskite Solar Cells

, 2015
Three low-cost propeller-shaped hole-transporting materials based on a triphenylamine core were investigated in perovskite solar cells. Each hole-transporting material was designed with highly modular side-arms, allowing for different bandgaps while ...
Hendsbee, Arthur, Welch, Gregory C., Hill, Ian G., Namespetra, Andrew   +3 more
core   +1 more source

Carbazole Electroactive Amorphous Molecular Material: Molecular Design, Synthesis, Characterization and Application in Perovskite Solar Cells

Energies, 2020
In perovskite photovoltaics (PSCs), the role of the hole transporting material (HTM) is highly important as it significantly influents to the global device’s performance and stability. Hole transporter ensures the extraction of hole at the perovskite/HTM
Diego Magaldi, Maria Ulfa, Sébastien Péralta, Fabrice Goubard, Thierry Pauporté, Thanh-Tuân Bui   +5 more
doaj   +1 more source

Caffeine Doped Perovskite Solar Cells without Hole Transporting Material

Academy Journal of Science and Engineering
Perovskite photovoltaics is one of the fastest growing research field in materials science. The effect of caffeine in the absorber structure of the PSCs was studied systematically in this study.
Nicodemus Kure, Onimisi, M. Y., Ali, H., Ige, O.O., Owolabi, A., Ahmed N.   +5 more
doaj  

An Acetylene-Linked 9,9 '-Bicarbazole-Based Hole-Transporting Material for Efficient Perovskite Solar Cells

A new hole-transporting material (XJ-05) based on a 9,9'-bicarbazole core and four acetylene-linked triphenylamine groups was designed and applied for perovskite solar cells (PSCs).
Yu, Hui-Juan, Wang, Dian, Xia, Jianxing, Gao, Wei-Jie, Shinohara, Akira, Xiao, Jing, Shao, Guang   +6 more
core   +1 more source

SFX as a low-cost ‘Spiro’ Hole-Transport Material for efficient Perovskite Solar Cells

, 2016
Four spiro[fluorene-9,9′-xanthene] (SFX) derivatives, SFX-TAD, SFX-TCz, SFX-TPTZ and SFX-MeOTAD have been synthesized for use as hole-transport materials and fully characterized by 1H/13C NMR spectroscopy, mass spectrometry, XRD and DSC.
Maciejczyk, Michal
core   +1 more source