Results 121 to 130 of about 48,277 (341)

Polarization reversal electroluminescence at low frequencies in barium titanate crystals

open access: yes, 1966
Audiofrequency-induced electroluminescence in BaTiO3 single crystals is studied as a function of the strength and the frequency of the applied field, the temperature of the crystal, the nature of the electrode material, and the biasing field. It is shown
Bhide, V. G.   +3 more
core   +1 more source

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

Electroluminescence and Infrared analysis of damaged photovoltaic modules

open access: yes
reservedThis paper intends to highlight how the use of Electroluminescence and Infrared technologies can show invisible defects in modules that often appear completely intact to the naked eye. This work is based on a practical experience which is divided
PANIZZON, DAVIDE
core  

Electroluminescence from nano-crystalline Si/SiO2 structures embedded in pn junctions

open access: yes, 2008
Phosphorous-doped and boron-doped amorphous Si thin films as well as amorphous SiO2/Si/SiO2 sandwiched structures were prepared in a plasma enhanced chemical vapor deposition system.
Li W   +10 more
core  

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

Achieving Long‐Wavelength Electroluminescence Using Two‐Coordinate Gold(I) Complexes: Overcoming the Energy Gap Law

open access: yesAdvanced Science
Two‐coordinate coinage metal complexes have emerged as promising emitters for highly efficient organic light‐emitting devices (OLEDs). However, achieving efficient long‐wavelength electroluminescence emission from these complexes remains as a daunting ...
Sreenivas Avula   +5 more
doaj   +1 more source

Tuning Stability and Optoelectronic Properties of CsSnI3 Via Rare‐Earth Doping

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Sn‐based halide perovskites are promising optoelectronic materials but are limited by poor stability. Thus, rare‐earth elements (RE) doping in CsSnI3 addresses this limitation, significantly enhancing thermodynamic, mechanical, and chemical stability, while simultaneously tuning electronic characteristics and modulating optical responses in the ...
Haowei Wang   +6 more
wiley   +1 more source

Electroluminescence from Ge on Si substrate at room temperature

open access: yes, 2009
A Ge/Si heterojunction light emitting diode with a p(+)-Ge/i-Ge/N+-Si structure was fabricated using the ultrahigh vacuum chemical vapor deposition technology on N+-Si substrate. The device had a good I-V rectifying behavior.
Xue HY   +9 more
core  

Electroluminescence of Erbium Doped Silicon Nitride Films

open access: yes, 2010
Electroluminescence at 980nm and 1535nm from erbium-doped silicon nitride films was reported and the Er effective excitation cross section was measured under electrical pumping. Erbium electroluminescence is observed at voltages as low as 5V.
Dal Negro, L.   +5 more
core   +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

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