Results 61 to 70 of about 281,496 (245)

Theory of carrier transport in bilayer graphene [PDF]

, 2009
We develop a theory for density, disorder, and temperature dependent electrical conductivity of bilayer graphene in the presence of long-range charged impurity scattering as well as an additional short-range disorder of independent origin, establishing ...
Hwang, E. H., Rossi, E., Sarma, S. Das
core   +1 more source

Stable and efficient pure blue quantum-dot LEDs enabled by inserting an anti-oxidation layer

Nature Communications
The efficiency and stability of red and green quantum-dot light-emitting diodes have already met the requirements for commercialization in displays.
Wenjing Zhang, Bo Li, Chun Chang, Fei Chen, Qin Zhang, Qingli Lin, Lei Wang, Jinhang Yan, Fangfang Wang, Yihua Chong, Zuliang Du, Fengjia Fan, Huaibin Shen   +12 more
doaj   +1 more source

An investigation into the optimal device design for selenium solar cells

Energy Reports, 2022
Despite a resurgence in recent years, the optimal device design for selenium solar cells is still not known with individual studies using significantly different window layers, hole transport layers and selenium absorber thicknesses.
L. Thomas, C.H. Don, J.D. Major
doaj   +1 more source

Hole transport layers in organic solar cells: A review

Journal of Metals, Materials and Minerals, 2022
Thanks to huge research efforts, organic solar cells have become serious candidates in the field of renewable energy sources, with reported power conversion efficiencies above 19% and operating lifetime surpassing decades. In the thin film stack composing the organic solar cell, the transport layers at interfaces play a key role, as important as the ...
Alkarsifi, Riva, Ackermann, Jörg, Margeat, Olivier   +2 more
openaire   +2 more sources

Study of the Hole Transport Processes in Solution-Processed Layers of the Wide Bandgap Semiconductor Copper(I) Thiocyanate (CuSCN) [PDF]

, 2015
Wide bandgap hole-transporting semiconductor copper(I) thiocyanate (CuSCN) has recently shown promise both as a transparent p-type channel material for thin-film transistors and as a hole-transporting layer in organic light-emitting diodes and organic ...
Anthopoulos, TD, Mottram, AD, Pattanasattayavong, P, Yan, F   +3 more
core   +1 more source

Regulation on Dual Interfaces of QD with ETL and HTL by Guanidine‐Based Ligands Enable High‐Performance Blue Quantum Dot Light‐Emitting Diodes with 24.3% External Quantum Efficiency

Advanced Science
The poor efficiency and stability of blue quantum dot light‐emitting diodes (QLED) hinder its practical applications in full‐color displays. Insufficient hole injection and excessive surface defects in quantum dots (QD) layer remain the primary ...
Yanfang Ren, Yunqi Wang, Yan Fang, Xiaohong Jiang, Ke Cheng, Zuliang Du   +5 more
doaj   +1 more source

Characterization of intrinsic hole transport in single-crystal spiro-OMeTAD

npj Flexible Electronics, 2017
Solar Cells: Intermolecular packing and molecular structure determine hole transport How the molecular packing ordering impact the hole-transport mechanism of an important hole-transport material in solid-state-dye-sensitized solar cells and perovskite ...
Yuan Li, Haoyuan Li, Cheng Zhong, Gjergji Sini, Jean-Luc Brédas   +4 more
doaj   +1 more source

Carrier mobility and scattering lifetime in electric double-layer gated few-layer graphene

, 2017
We fabricate electric double-layer field-effect transistor (EDL-FET) devices on mechanically exfoliated few-layer graphene. We exploit the large capacitance of a polymeric electrolyte to study the transport properties of three, four and five-layer ...
Borini, S., Bruna, M., Daghero, D., Galasso, S., Gerbaldi, C., Gonnelli, R. S., Nair, J. R., Piatti, E., Tortello, M.   +8 more
core   +1 more source

Quantum-Dot Light-Emitting Diodes with Nitrogen-Doped Carbon Nanodot Hole Transport and Electronic Energy Transfer Layer [PDF]

, 2017
Electroluminescence efficiency is crucial for the application of quantum-dot light-emitting diodes (QD-LEDs) in practical devices. We demonstrate that nitrogen-doped carbon nanodot (N-CD) interlayer improves electrical and luminescent properties of QD ...
A Mueller, AL Rogach, BS Mashford, C Yi, CH Zhang, D Pan, D Qu, F Liu, GH Liu, GS Kumar, GS Tong, H Nie, H Tetsuka, HZ Zheng, J Baltazar, J Du, J Kwak, J Niu, JH Shen, JK Chang, JK Kim, L Guo, L Qian, L Wang, LA Ponomarenko, LB Tang, LB Tang, LB Tang, M Li, M Lunz, M Scardamaglia, MA Sk, ML Mueller, Q Sun, SH Jin, SH Song, SH Wang, TF Yeh, TH Han, V Nandwana, VL Colvin, W Kwon, W Kwon, W Kwon, WK Bae, WK Bae, WY Ji, XW Dong, Y Dong, Y Li, Y Shirasaki, YF Liu, YM Shi, YR Park, YR Park, YY Zhou, ZQ Luo, ZQ Luo, ZX Gan   +58 more
core   +2 more sources

A comprehensive defect study of tungsten disulfide (WS2) as electron transport layer in perovskite solar cells by numerical simulation

Results in Physics, 2019
In this study, an ideal planar perovskite solar cell (PSC) has been proposed and simulated by using Tungsten Disulfide (WS2) as an electron transport layer (ETL).
K. Sobayel, Md. Akhtaruzzaman, K.S. Rahman, M.T. Ferdaous, Zeyad A. Al-Mutairi, Hamad F. Alharbi, Nabeel H. Alharthi, Mohammad R. Karim, S. Hasmady, N. Amin   +9 more
doaj   +1 more source