Results 21 to 30 of about 7,867,760 (347)

Analytical concentration impedance of a transport layer

Results in Chemistry, 2022
A formula for concentration (zeta-) impedance of reactant transport through a finite–length layer attached to the electrochemical electrode is derived. The static point of the Nyquist spectrum is independent of the layer transport parameters, while the ...
Andrei Kulikovsky
doaj   +1 more source

Critical thickness and orbital ordering in ultrathin La0.7Sr0.3MnO3 films [PDF]

, 2008
Detailed analysis of transport, magnetism and x-ray absorption spectroscopy measurements on ultrathin La0.7Sr0.3MnO3 films with thicknesses from 3 to 70 unit cells resulted in the identification of a lower critical thickness for a non-metallic, non ...
Blank, D. H. A., Chu, Y. -H., Holcomb, M. B., Huijben, M., Martin, L. W., Ramesh, R., Rijnders, G., Yu, P.   +7 more
core   +2 more sources

Electrical Transport Properties of Single-Layer WS2 [PDF]

, 2014
We report on the fabrication of field-effect transistors based on single and bilayers of the semiconductor WS2 and the investigation of their electronic transport properties.
Allain, Adrien, Dumcenco, Dumitru, Huang, Ying-Sheng, Kis, Andras, Ovchinnikov, Dmitry   +4 more
core   +2 more sources

Simulation of the Sb2Se3 solar cell with a hole transport layer

Materials Research Express, 2020
A model of the Sb2Se3 solar cell with a hole transport layer (HTL) has been investigated by solar cell capacitance simulator (SCAPS). The influence of different HTLs on device performance has been firstly analyzed, and CuO has been found to be the best ...
Zhenqing Li, Ming Ni, Xiaodong Feng
semanticscholar   +1 more source

Tailored PEDOT:PSS hole transport layer for higher performance in perovskite solar cells: Enhancement of electrical and optical properties with improved morphology

Journal of Energy Chemistry, 2020
Precise control over the charge carrier dynamics throughout the device can result in outstanding performance of perovskite solar cells (PSCs). Poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) is the most actively studied hole ...
K. Reza, Ashim Gurung, B. Bahrami, Sally Mabrouk, H. Elbohy, R. Pathak, Ke Chen, A. H. Chowdhury, Md Tawabur Rahman, Steven Letourneau, Hao‐Cheng Yang, Gopalan Saianand, J. Elam, S. Darling, Q. Qiao   +14 more
semanticscholar   +1 more source

Investigating the Performance of TIN-Based Perovskite Solar Cell with Zinc Selenide as an ETM and Graphene as an HTM Using SCAPS-1D [PDF]

Progress in Physics of Applied Materials
In this study, a numerical analysis was conducted on a Sn-based planner heterojunction perovskite device. Structure of Glass/TCO/ETL/CH3NH3SnI3/HTL/Metal was performed by using the solar cell device simulator SCAPS 1D.
Ijeoma Ukorah, Adeyemi Owolabi, Haruna Ali, Muhammed Onimisi, RA Tafida, Awujoola J Olalekan, Hassan Muhammed Gambo, Sakinate L Usman, Akusu Christiana, Jessica M Ukwenya, Bankole J Akinade, RU Ugbe   +11 more
doaj   +1 more source

How Charge Carrier Exchange between Absorber and Contact Influences Time Constants in the Frequency Domain Response of Perovskite Solar Cells

PRX Energy, 2023
A model is derived for the frequency and time domain optoelectronic response of perovskite solar cells (PSCs) that emphasizes the role of charge carrier exchange, i.e., extraction and injection, from (to) the perovskite through the transport layer to ...
Sandheep Ravishankar, Zhifa Liu, Yueming Wang, Thomas Kirchartz, Uwe Rau   +4 more
doaj   +1 more source

Dependence of oxygen transport properties of catalyst layers for polymer electrolyte fuel cells on the fabrication process

Results in Chemistry, 2023
Herein, we report the oxygen transport phenomenon in the cathode catalyst layer of polymer electrolyte fuel cells. The oxygen transport resistance in the catalyst layer depended on the hot-pressing temperature of the fabrication procedure, suggesting ...
Wataru Yoshimune
doaj   +1 more source

Influence of the porous transport layer properties on the mass and charge transfer in a segmented PEM electrolyzer

International journal of hydrogen energy, 2020
A titanium Porous Transport Layer (PTL) is usually used at the anode side of PEM water electrolyzers to ensure both the gas/water transport and the electric charges transfer.
Julian Parra-Restrepo, R. Bligny, J. Dillet, S. Didierjean, D. Stemmelen, C. Moyne, A. Degiovanni, G. Maranzana   +7 more
semanticscholar   +1 more source

Effects of vertically aligned ZnO nanorods surface morphology on the ambient-atmosphere fabricated organic solar cells

Results in Materials, 2022
The present study evaluates the effects of ZnO nanorods electron transport layer morphology synthesized using the low temperature chemical bath method on the performance of organic solar cells.
Benard S. Mwankemwa, Thembinkosi D. Malevu, Mtabazi G. Sahini, Said A. Vuai   +3 more
doaj   +1 more source