Results 31 to 40 of about 278,751 (295)

White organic light-emitting diodes with an ultra-thin premixed emitting layer [PDF]

, 2013
We described an approach to achieve fine color control of fluorescent White Organic Light-Emitting Diodes (OLED), based on an Ultra-thin Premixed emitting Layer (UPL).
Bonnassieux, Yvan, Chenais, Sebastien, Forget, Sebastien, Geffroy, Bernard, Ishow, Elena, Jeon, T., Tondelier, Denis   +6 more
core   +4 more sources

Vacuum-Free Quantum Dots Planar Hybrid Solar Cells: Improving Charge Transport Using Reduced Graphene Oxide and PEO as the Buffer Layer

Applied Sciences, 2022
In this work, reduced graphene oxide (rGO) was synthesized using a modified Hummer method and its morphological and structural properties were investigated using transmission electron microscopy (TEM), high-resolution TEM (HR-TEM) and X-ray diffraction ...
Minsu Kim, Nguyen Tam Nguyen Truong, Nguyen Hoang Lam, Nam Le, Asiya M. Tamboli, Mohaseen S. Tamboli, Truong Nguyen Luan Vu, Jae Hak Jung   +7 more
doaj   +1 more source

OLEDs with enhanced high temperature operational stability [PDF]

, 2002
Temperature dependence of electroluminescence degradation is studied in organic light emitting devices containing an emitting layer composed of a mixture of different hole transport molecules and tris(8-hydroxyquinoline)aluminum (AlQ(3)) electron ...
Aziz, H., Hu, N.-X., Popovic, Z. D., Vamvounis, G.   +3 more
core   +1 more source

High performance polymer light-emitting diodes with N-type metal oxide/conjugated polyelectrolyte hybrid charge transport layers [PDF]

, 2014
We present an interfacial engineering strategy employing n-type-metal-oxide/conjugated-polyelectrolyte (CPE) hybrid charge-transport layers for highly efficient polymer light-emitting diodes (PLEDs).
Jeong, Eunjae, Kim, Ji-Seon, Kim, Jin Young, Kim, Sang Ouk, Lee, Bo Ram, Lee, Hyun-Jung, Lee, Ju Min, Park, Ji Sun, Song, Myoung Hoon, Woo, Han Young   +9 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

Transport Properties of Highly Aligned Polymer Light-Emitting-Diodes

, 2000
We investigate hole transport in polymer light-emitting-diodes in which the emissive layer is made of liquid-crystalline polymer chains aligned perpendicular to the direction of transport.
A. B. Walker, A. Kambili, G. F. L. Ferreira, H. Bässler, H. Scher, J. C. Scott, M. Grell, M. Redecker, M. Redecker, P. Dyreklev, R. H. Friend   +10 more
core   +1 more source

Investigation of the Effect of Band Offset and Mobility of Organic/Inorganic HTM Layers on the Performance of Perovskite Solar Cells [PDF]

Journal of Optoelectronical Nanostructures, 2020
: Perovskite solar cells have become an attractive subject in the solar energydevice area. During ten years of development, the energy conversion efficiency has beenimproved from 2.2% to more than 22%, and it still has a very good potential for ...
davood jalalian, Abbas Ghadimi, Azadeh Kiani Sarkaleh   +2 more
doaj  

Lifetime Comparisons of Organic Light-Emitting Diodes Fabricated by Solution and Evaporation Processes

Micromachines, 2023
In this paper, a blue fluorescent organic light-emitting diode (OLED) with a 1 cm2 emitting area was fabricated by a solution process. The ITO/spin MADN:13% UBD-07/TPBi/Al was used as the basic structure in which to add a hole-injection layer PEDOT:PSS ...
Kuo-Chun Huang, Jeng-Yue Chen, Yen-Hua Lin, Fuh-Shyang Juang, Yu-Sheng Tsai   +4 more
doaj   +1 more source

Dipole-field-assisted charge extraction in metal-perovskite-metal back-contact solar cells [PDF]

, 2017
Hybrid organic-inorganic halide perovskites are low-cost solution-processable solar cell materials with photovoltaic properties that rival those of crystalline silicon.
Bach, Udo, Bao, Qiaoliang, Cheng, Yibing, Chesman, Anthony S. R., Duffy, Noel W., Fournier, Maxime, Gomez, Daniel E., Jumabekov, Askhat N., Lal, Niraj N., Lin, Xiongfeng, Pascoe, Alexander R., Sears, Kallista, Spiccia, Leone, Zhang, Yupeng   +13 more
core   +3 more sources

Graphene oxide-molybdenum oxide composite with improved hole transport in bulk heterojunction solar cells

AIP Advances, 2019
Solution processed hole transport layer based on graphene oxide (GO) and molybdenum oxide (MoO3) composite in bulk heterojunction organic solar cell (OSC) devices offer low cost, improved performance compared to conventional organic solar cells. Here, we
Md. Aatif, Jessica Patel, Abhishek Sharma, Mihirsinh Chauhan, Gaurav Kumar, Prabir Pal, Suresh Chand, Brijesh Tripathi, Manoj Kumar Pandey, J. P. Tiwari   +9 more
doaj   +1 more source