Results 21 to 30 of about 585,841 (318)

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

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 Kühne, Yasin Beyazit, Björn Sothmann, J. Jayabalan, Detlef Diesing, Ping Zhou, Uwe Bovensiepen   +6 more
doaj   +1 more source

Effective Double Electron Transport Layer Inducing Crystallization of Active Layer for Improving the Performance of Organic Solar Cells

Nanomaterials, 2021
Interface modification plays an important role in enhancing the photoelectric conversion efficiency and stability of organic solar cells. In this work, alkali metal lithium chloride (LiCl) was introduced between indium tin oxide and polyethyleneimine ...
Ping Li, Lijia Chen, Xiaoyan Hu, Lirong He, Zezhuan Jiang, Minghao Luo, Haishen Huang, Wei Yuan, Yinghu He   +8 more
doaj   +1 more source

Electron transport in dual-gated three-layer MoS_{2}

Physical Review Research, 2021
The low-energy band structure of few-layer MoS_{2} is relevant for a large variety of experiments ranging from optics to electronic transport. Its characterization remains challenging due to complex multiband behavior.
Michele Masseroni, Tim Davatz, Riccardo Pisoni, Folkert K. de Vries, Peter Rickhaus, Takashi Taniguchi, Kenji Watanabe, Vladimir Fal'ko, Thomas Ihn, Klaus Ensslin   +9 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
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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

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

Electron transport in the single-layer semiconductor

, 2022
arXiv admin note: text overlap with arXiv:1310.8066 by other ...
Zhang, Lianhua, Chen, Jian, Liu, Fei, Du, Zhengyang, Jiang, Yilun, Han, Min   +5 more
openaire   +2 more sources

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