Results 21 to 30 of about 587,783 (184)

Ultrafast transport and energy relaxation of hot electrons in Au/Fe/MgO(001) heterostructures analyzed by linear time-resolved photoelectron spectroscopy

Physical Review Research, 2022
In condensed matter, scattering processes determine the transport of charge carriers. In case of heterostructures, interfaces determine many dynamic properties such as charge transfer and transport, and spin current dynamics.
Florian Denizer, Yasin Beyazit, Björn Sothmann, J. Jayabalan, Detlef Diesing, Ping Zhou, Uwe Bovensiepen   +6 more
doaj   +1 more source

The influence of the conduction band engineering on the perovskite solar cell performance

Results in Optics, 2022
The present work investigated numerically, using SCAPS software, the impact of conduction band alignment between the absorber and electron transport layer (ETL) on the perovskite solar cell performance.
Dena N. Qasim Agha, Qais Th. Algwari
doaj   +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

Prospect of SnO₂ Electron Transport Layer Deposited by Ultrasonic Spraying

Energies, 2022
The SnO2 electron transport layer (ETL) has been characterized as being excellent in optical and electrical properties, ensuring its indispensable role in perovskite solar cells (PSCs). In this work, SnO2 films were prepared using two approaches, namely,
Wu Long, Aoxi He, Shenghui Xie, Xiutao Yang, Lili Wu   +4 more
doaj   +1 more source

Structure of a bacterial type IV secretion core complex at subnanometre resolution [PDF]

, 2013
Type IV secretion (T4S) systems are able to transport DNAs and/or proteins through the membranes of bacteria. They form large multiprotein complexes consisting of 12 proteins termed VirB1-11 and VirD4.
Chandran, Vidya, Fronzes, Remi, Laeremans, T., Lian, Pei W., Orlova, Elena, Pardon, E., Remaut, Han, Rivera-Calzada, A., Savva, Christos G., Steyaert, J., Waksman, Gabriel   +10 more
core   +1 more source

Solution-processed pristine metal oxides as electron-transporting materials for perovskite solar cells

Frontiers in Electronic Materials, 2023
In recent years, perovskite material-based photovoltaic devices have attracted great attention of researchers because of an expeditious improvement in their efficiency from 3.8% to over 25%.
Harshit Sharma, Harshit Sharma, Ritu Srivastava, Ritu Srivastava   +3 more
doaj   +1 more source

Transport and thermoelectric properties of the LaAlO$_3$/SrTiO$_3$ interface [PDF]

, 2015
The transport and thermoelectric properties of the interface between SrTiO$_3$ and a 26-monolayer thick LaAlO$_3$-layer grown at high oxygen-pressure have been investigated at temperatures from 4.2 K to 100 K and in magnetic fields up to 18 T. For $T>$ 4.
Brinkman, A., Guduru, V. K., Hilgenkamp, H., Jost, A., Maan, J. C., Wenderich, S., Wiedmann, S., Zeitler, U.   +7 more
core   +3 more sources

Recent Applications of Carbon Nanotubes in Organic Solar Cells

Frontiers in Chemistry, 2022
In recent years, carbon-based materials, particularly carbon nanotubes (CNTs), have gained intensive research attention in the fabrication of organic solar cells (OSCs) due to their outstanding physicochemical properties, low-cost, environmental ...
Edigar Muchuweni, Edwin T. Mombeshora, Bice S. Martincigh, Vincent O. Nyamori   +3 more
doaj   +1 more source

Bipolar Monte Carlo Simulation of Hot Carriers In III-N LEDs [PDF]

, 2015
We carry out bipolar Monte Carlo (MC) simulations of electron and hole transport in a multi-quantum well light-emitting diode with an electron-blocking layer.
Georgiev, Vihar, Kivisaari, Pyry, Li, Jingrui, Oksanen, Jani, Rinke, Patrick, Sadi, Toufik, Tulkki, Jukka   +6 more
core   +1 more source

Photostability Improvement of Organic Photodiodes with ZnO Electron Transport Layer

Advanced Photonics Research, 2023
The stable performance of organic photodiodes (OPDs) is crucial for realizing reliable photosensing and their facile integration into larger systems. However, OPDs with the commonly used ZnO electron transport layer (ETL) suffer from photoinstability ...
Theodorus Jonathan Wijaya, Tomoyuki Yokota, Sunghoon Lee, Ryo Okano, Masaki Kobayashi, Takao Someya   +5 more
doaj   +1 more source