Results 41 to 50 of about 2,168 (231)

Quantitative electroluminescence analysis of resistive losses in Cu(In,Ga)Se2 thin-film modules

, 2010
Cu(In,Ga)Se-2 mini-modules are investigated by electroluminescence imaging under different bias voltage conditions. The images typically show 10-20 localized shunts on the investigated test modules of an area of 20 x 17 cm(2) with 42 cells.
Schäffer, A., Kirchartz, Thomas, Helbig, A., Werner, Jürgen H., Rau, Uwe, Schäffer, Raymund, Werner, J.H., Rau, U., Kirchartz, T., Helbig, Anke   +9 more
core   +1 more source

Opportunities of Semiconducting Oxide Nanostructures as Advanced Luminescent Materials in Photonics

Advanced Materials, EarlyView.
The review discusses the challenges of wide and ultrawide bandgap semiconducting oxides as a suitable material platform for photonics. They offer great versatility in terms of tuning microstructure, native defects, doping, anisotropy, and micro‐ and nano‐structuring. The review focuses on their light emission, light‐confinement in optical cavities, and
Ana Cremades, Pedro Hidalgo, David Maestre, Ruth Martínez‐Casado, Emilio Nogales, Beatriz Rodríguez, G. Cristian Vásquez, Bianchi Méndez   +7 more
wiley   +1 more source

Investigation on Potential-Induced Degradation in a 50 MWp Crystalline Silicon Photovoltaic Power Plant

International Journal of Photoenergy, 2018
The regular performance deterioration of P-type crystalline silicon solar modules and module strings caused by potential-induced degradation in a photovoltaic power plant was found in the field.
Jingsheng Huang, Hongtao Li, Yaojie Sun, He Wang, Hong Yang   +4 more
doaj   +1 more source

Energetic Offset in Organic Solar Cells‐ Importance, Confusion and Outlook

Advanced Materials, EarlyView.
Energetic offsets in organic solar cells (OSCs) remain a subject of debate due to measurement‐ and lab‐dependent discrepancies. This Perspective clarifies the physical origins of these variations and identifies temperature‐dependent electro‐optical methods as a reliable approach to obtain consistent offset values.
Nakul Jain, Xian'e Li, Mats Fahlman, Olle Inganäs, Koen Vandewal, Feng Gao   +5 more
wiley   +1 more source

Enhancing Defect Classification in Solar Panels With Electroluminescence Imaging and Advanced Machine Learning Strategies

IEEE Access
Electroluminescence (EL) imaging is the most widely used diagnostic technique for identifying flaws at every stage of the production, installation, and operation of solar modules.
Fatih Demir
doaj   +1 more source

Photoluminescence of the integrating sphere walls, its influence on the absolute quantum yield measurements and correction methods

AIP Advances, 2018
Determination of the absolute quantum yield (QY) of photoluminescence (PL) or electroluminescence is commonly performed using an integrating sphere (IS) – versatile device for radiometry applications.
Jan Valenta
doaj   +1 more source

Self‐Assembled Monolayers in p–i–n Perovskite Solar Cells: Molecular Design, Interfacial Engineering, and Machine Learning–Accelerated Material Discovery

Advanced Materials, EarlyView.
This review highlights the role of self‐assembled monolayers (SAMs) in perovskite solar cells, covering molecular engineering, multifunctional interface regulation, machine learning (ML) accelerated discovery, advanced device architectures, and pathways toward scalable fabrication and commercialization for high‐efficiency and stable single‐junction and
Asmat Ullah, Ying Luo, Stefaan De Wolf
wiley   +1 more source

Effect of Secondary Electroluminescence on Cathodoluminescence and Other Luminescence Measurements

, 2014
Cathodoluminescence and photoluminescence measurements are commonly accepted as revealing local properties of a specimen region excited by a beam of electrons or photons. However, in the presence of a strong electric field (e.g.
Szerling, A., Kątcki, J., Czerwinski, A., Ratajczak, J., Pluska, M.   +4 more
core   +1 more source

Transparent Perovskite Light‐Emitting Diodes with Conductive Oxide Top Electrodes

Advanced Materials, EarlyView.
Transparent perovskite light‐emitting diodes (TrPeLEDs) enable simultaneous display and transparency, expanding application possibilities. Using a metal oxide buffer layer and pulsed laser deposition, TrPeLEDs with diverse compositions and architectures are demonstrated.
Michele Forzatti, Sergio Martínez‐Saiz, Morena Cervino, Edoardo Stanzani, Sandra Jenatsch, Qingsen Zeng, Joo Sung Kim, Dong‐Hyeok Kim, Eojin Yoon, Tae‐Woo Lee, Daniel Tordera, Henk J. Bolink   +11 more
wiley   +1 more source

SolarFaultNet: CNN-based photovoltaic fault classification via channel-wise attention mechanisms

Franklin Open
The growing deployment of solar energy systems requires precise fault detection in photovoltaic (PV) modules. Conventional detection methods—including current–voltage curve analysis and electroluminescence imaging—while effective for specific ...
Mubarak Alanazi
doaj   +1 more source