Results 11 to 20 of about 2,168 (231)

Electroluminescence of the graphene 2D semi-metal

, 2023
Electroluminescence, a non-thermal radiative process, is ubiquitous in semi-conductors and insulators but fundamentally precluded in metals. We show here that this restriction can be circumvented in high-quality graphene.
Bouchon, P., Schmitt, A., Bretel, R., Abou-Hamdan, L., Pierret, A., Voisin, Christophe, Plaçais, B., Greffet, Jean-Jacques, Baudin, Emmanuel, Mele, D., Tharrault, M., Rossetti, S., Ménard, Gerbold, Hugonin, J. P., Rosticher, M., de Wilde, Y., Morfin, P., Berroir, Jean-Marc, Fève, G., Watanabe, K., Taniguchi, T.   +20 more
core   +1 more source

High-Speed Light Signal Transmitters for Optical Communication Based on Ultraviolet Radiation

Applied Sciences, 2020
A light signal transmitter based on ultraviolet radiation is realized on GaN-on-silicon platform. The light signal transmitter with ultra-small active area is fabricated by a double-etching process.
Xin Li, Yue Wu, Jialei Yuan, Shuyu Ni, Chuan Qin, Yan Jiang, Jie Li, Yongjin Wang   +7 more
doaj   +1 more source

High-Performance and Low-Cost Overhead Projector Sheet-Based Triboelectric Nanogenerator for Self-Powered Cholesteric Liquid Crystal, Electroluminescence, and Portable Electronic Devices

, 2022
Low output power, intricate device designs, limitation on scalability, limited production capability, and higher fabrication cost are the major hurdles to use triboelectric nanogenerators (TENGs) as a power source in self-powered device applications ...
Rakesh Kumar Rajaboina (14034397), Haranath Divi (14034403), Anjaly Babu (14034406), Buchaiah Gollapelli (13255640), Uday Kumar K (14034409), Siju Mishra (14034400), Supraja Potu (14034391), Navaneeth M (14034394), Jayalakshmi Vallamkondu (13255646), Prakash Kodali (14034412)   +9 more
core   +6 more sources

Assessment of the Impact of Stagnation Temperatures in Receiver Prototypes of C-PVT Collectors

Energies, 2019
Concentrating Photovoltaic Thermal (C-PVT) solar collectors produce both thermal and electric power from the same area while concentrating sunlight. This paper studies a C-PVT design where strings of series-connected solar cells are encapsulated with ...
João Gomes
doaj   +1 more source

Highly Flexible Electroluminescent Devices Based on Super Durable AlN‐Dispersed Ag Ultrathin Films

Advanced Materials Interfaces, 2023
High performance and durable electrodes are prerequisites for the stable operation of various optoelectronic devices, such as alternating current electroluminescence (ACEL) applications.
Zhi Han, Jia Li, Peng Xia, Jinhua Huang, Ruiqin Tan, Jinlong Zhang, Weijie Song   +6 more
doaj   +1 more source

The impact of cracks on photovoltaic power performance

Journal of Science: Advanced Materials and Devices, 2017
This paper demonstrates a statistical analysis approach, which uses T-test and F-test for identifying whether the crack has significant impact on the total amount of power generated by the photovoltaic (PV) modules.
Mahmoud Dhimish, Violeta Holmes, Bruce Mehrdadi, Mark Dales   +3 more
doaj   +1 more source

RF Overdrive Burnout Behavior and Mechanism Analysis of GaN HEMTs Based on High Speed Camera

IEEE Journal of the Electron Devices Society, 2023
In this work, a new method for failure analysis of electronic components, high speed camera, is used to investigate burnout failure location of GaN HEMTs under RF overdrive stress.
Chang Liu, Hong Xia Liu, Yi Qiang Chen, Yi Jun Shi, Yu Han Xie, Si Chen, Ping Lai, Zhi Yuan He, Yun Huang   +8 more
doaj   +1 more source

Experimental Evidence of PID Effect on CIGS Photovoltaic Modules

Energies, 2020
As well known, potential induced degradation (PID) strongly decreases the performance of photovoltaic (PV) strings made of several crystalline silicon modules in hot and wet climates.
Sofiane Boulhidja, Adel Mellit, Sebastian Voswinckel, Vanni Lughi, Alessandro Ciocia, Filippo Spertino, Alessandro Massi Pavan   +6 more
doaj   +1 more source

Effect of Wind Load on Performance of Photovoltaic (PV) Modules Available in Pakistan

Mehran University Research Journal of Engineering and Technology, 2021
Mechanical integrity of a Photovoltaic (PV) module plays a major role in its performance and electrical output. Mechanical loads which include loads produced by wind, snow, rain, and hail tend to degrade the performance of PV module by generating ...
Rizwan Mehmood Gul, Fahad Ullah Zafar, Muhammad Ali Kamran, Muhammad Noman   +3 more
doaj   +1 more source

Detection of Micro-Cracks in PV System using Electroluminescence (EL) Testing

Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi, 2023
With the increase in the use of solar energy, the investigation of the failures that cause the decrease in efficiency and loss in production is increasing day by day. It is extremely beneficial to conduct on-site testing of solar systems in order to evaluate the plant's actual performance and identify potential problems. There are important methods for
openaire   +2 more sources