Results 191 to 200 of about 15,563 (262)

Dry‑Contact Trimming for All‑Perovskite Tandem Solar Cells via Solid‑Solution Homogenization

Advanced Energy Materials, EarlyView.
Narrow‐bandgap Sn–Pb perovskites are promising bottom absorbers for all‐perovskite tandems but suffer from Sn‐rich surfaces and depth‐dependent lattice/compositional inhomogeneity. Layered‐perovskite‐assisted dry‐contact trimming removes Sn‐rich surface species and reconfigures the Sn–Pb absorber, enabling efficient charge collection, reduced voltage ...
Woocheol Han, Hyojin Hong, Chan Young Kim, Chan Ho Shin, Sung Yong Kim, So Eun Shin, Minhyeok Park, Giseon Yu, Sohyun Kang, Seungmin Lee, Jun Hong Noh   +10 more
wiley   +1 more source

Detection method of organic light-emitting diodes based on small sample deep learning. [PDF]

PLoS One
Qiu H, Huang J, Feng YC, Rong P.
europepmc   +1 more source

Inkjet Printing of High-Color-Purity Blue Organic Light-Emitting Diodes with Host-Free Inks. [PDF]

Molecules
Fang H, Li J, Gong S, Lin J, Xie G.
europepmc   +1 more source

Highly efficient pure-blue organic light-emitting diodes based on rationally designed heterocyclic phenophosphazinine-containing emitters. [PDF]

Nat Commun
Xing L, Wang J, Chen WC, Liu B, Chen G, Wang X, Tan JH, Chen SS, Chen JX, Ji S, Zhao Z, Tang MC, Huo Y.   +12 more
europepmc   +1 more source

Efficient and stable hybrid perovskite-organic light-emitting diodes with external quantum efficiency exceeding 40 per cent. [PDF]

Light Sci Appl
Kong L, Luo Y, Wu Q, Xiao X, Wang Y, Chen G, Zhang J, Wang K, Choy WCH, Zhao YB, Li H, Chiba T, Kido J, Yang X.   +13 more
europepmc   +1 more source

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Organic Light-Emitting Diodes

2017
The 2014 Nobel Prize in Physics was awarded “for the invention of efficient blue light-emitting diodes (LEDs) which has enabled bright and energy-saving white light sources” [1, 2, 3], setting a clear target to mankind: energy-efficient and environmental-friendly light sources [4]. The first organic LED (OLED) was reported in 1987 by a team at Kodak [5]
Kordt, Pascal, Bobbert, Peter, Coehoorn, Reinder, May, Falk, Lennartz, Christian, Andrienko, Denis   +5 more
openaire   +2 more sources

Tandem Organic Light‐Emitting Diodes

Advanced Materials, 2016
A tandem organic light‐emitting diode (OLED) is an organic optoelectronic device that has two or more electroluminescence (EL) units connected electrically in series with unique intermediate connectors within the device. Researchers have studied this new OLED architecture with growing interest and have found that the current efficiency of a tandem OLED
Man-Keung, Fung, Yan-Qing, Li, Liang-Sheng, Liao   +2 more
openaire   +2 more sources

Nanoscale Organic Light-Emitting Diodes

Nano Letters, 2005
This study reports the fabrication and characterization of nanoscale organic light-emitting diodes (nano-OLEDs) based on poly[2-methoxy-5-(2'-ethylhexyloxy)-1,4-phenylene vinylene] (MEH-PPV). The nano-OLEDs were fabricated by spin casting MEH-PPV into cylindrical nanoholes lithographically patterned into silicon nitride.
Hiromichi, Yamamoto, John, Wilkinson, James P, Long, Konrad, Bussman, Joseph A, Christodoulides, Zakya H, Kafafi   +5 more
openaire   +2 more sources

Photoprogrammable Organic Light‐Emitting Diodes

Angewandte Chemie, 2009
AbstractLicht im Speicher: Der Einbau eines vernetzbaren photochromen Dithienylperfluorcyclopentens (DTE) in organische Leuchtdioden (OLEDs) ermöglicht die Individualisierung der Emissionsfläche, z. B. für die Anwendung in Anzeigeelementen. Das Arbeitsprinzip beruht auf dem Schalten der Injektionsbarriere für Löcher (positive Ladungsträger). Sehr große
Philipp, Zacharias, Malte C, Gather, Anne, Köhnen, Nina, Rehmann, Klaus, Meerholz   +4 more
openaire   +2 more sources