Results 91 to 100 of about 9,229,760 (269)

Spatially and spectrally resolved electroluminescence measurement system for photovoltaic characterisation [PDF]

open access: yes, 2015
A system that combines the advantages of fast global electroluminescence (EL) imaging and detailed spectrally resolved EL measurements is presented. A charge-coupled device camera-based EL imaging system is used to measure the intensity of radiative ...
Xiaofeng Wu (1254888)   +5 more
core   +4 more sources

Synergistic‐Induced Perovskite Phase Distribution and Lattice Stabilization for Efficient and Stable Sky‐Blue PeLEDs

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
We have developed a multifunctional buried‐interface engineering strategy using phenethylammonium thiocyanate to regulate quasi‐2D perovskite crystallization and stabilize the lattice. The synergistic effects of SCN− and PEA+ steric confinement promote phase redistribution toward n = 2, suppressing interfacial defects and enabling the production of ...
He Dong   +11 more
wiley   +1 more source

HLMiller-Imaging/SlowMembraneDiffusionAnalysis: Version 1

open access: yes
<h2>What's Changed</h2> <ul> <li>Addcode by @HLMiller-Imaging in https://github.com/HLMiller-Imaging/SlowMembraneDiffusionAnalysis/pull/1</li> <li>TrajectoryBugFix by @HLMiller-Imaging in https://github.com/HLMiller ...
HLMiller-Imaging
core   +1 more source

Gas–Solid Interface‐Assisted Growth of Organic Semiconductor Single Crystals: Dimensions, Structures, Mechanisms, and Applications

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Gas–solid interface‐assisted growth strategies have unlocked precise control over crystal structure, morphology, dimension, and molecular packing. The obtained organic semiconductor single crystals represent the ideal candidates for high‐performance organic optoelectronic devices.
Tingyi Yan   +8 more
wiley   +1 more source

Modeling Cost-Effectiveness of Photovoltaic Module Replacement Based on Quantitative Assessment of Defect Power Loss

open access: yesSolar
The degradation of solar photovoltaic (PV) modules over time, which are aggravated by defects, significantly affects the performance of utility-scale PV parks.
Victoria Lofstad-Lie   +4 more
doaj   +1 more source

ZnO Nanowires by Chemical Bath Deposition: A Review on Doping and Functional Devices

open access: yesElectron, EarlyView.
This review reports the most recent and well‐established state‐of‐the‐art and scientific challenges related to the doping of ZnO nanowires by chemical bath deposition, encompassing native point and hydrogen‐related defects, as well as extrinsic dopants.
Clément Lausecker   +3 more
wiley   +1 more source

Quantitative analysis of crystalline silicon wafer PV modules by electroluminescence imaging

open access: yes, 2016
Electroluminescence (EL) images are normally used for qualitative analysis of photovoltaic (PV) modules. In this work, detailed quantitative analysis of crystalline silicon wafer PV modules is achieved using EL imaging.
Guo, Siyu   +7 more
core   +1 more source

Fault‐Specific Diagnostic Regions Based on Normalized DC Voltage and Current Indices for Photovoltaic Systems Using Routine Inverter and Environmental Data

open access: yesEnergy Science &Engineering, EarlyView.
This study proposes a fault diagnostic approach for photovoltaic systems using normalized DC voltage and current indices derived from routinely collected inverter and environmental data. The approach enables string‐ and array‐level fault diagnosis without additional measurement equipment and supports operation and maintenance decision‐making.
Woo Gyun Shin   +5 more
wiley   +1 more source

Multimodal fusions for defect detection of photovoltaic panels by mask R-CNN and hawkfish optimization algorithm

open access: yesFrontiers in Earth Science
Accurate detection of photovoltaic (PV) module defects remains challenging due to environmental variability and the limited fault visibility of single-modality imaging.
Nazar Almukhtar, Sefer Kurnaz
doaj   +1 more source

Flexible white thermally activated delayed fluorescence polymer with alkyl spacer and side‐chain encapsulation for efficient solution‐processed white organic light‐emitting diodes

open access: yesFlexMat, EarlyView.
A “gemstone‐necklace” FASCE strategy synthesizes single‐component white polymers (PTF‐Qx) by alternating rigid TADF units with flexible alkyl chains. The non‐doped rigid device achieves a high EQE of 15.66% with stable white emission (CIE: 0.36, 0.46).
Wenhao Zhang   +7 more
wiley   +1 more source

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