Results 291 to 300 of about 81,418 (355)

Solution‐Processed Spin‐Polarized Light‐Emitting Diodes of Colloidal Quantum Wells and Magnetic Nanoparticles

Advanced Optical Materials, EarlyView.
All‐solution‐processed spin‐LEDs based on colloidal Fe3O4 nanoparticles and CdSe/CdZnS core/shell CQWs that allows for polarization modulation of electroluminescence are fabricated. With these devices, electrical injection of spin‐polarized carriers from the Fe3O4 nanoparticle layer into the CdSe/CdZnS CQWs is demonstrated, realizing circularly ...
Savas Delikanli, Arinjoy Bhattacharya, Betul Canimkurbey, Chang Huai, Amani Almutairi, Arman Najafi, Hilal Korkut, Farzan Shabani, Furkan Isik, James Pientka, Ibrahim Sarpkaya, Hao Zeng, Richard D. Schaller, Athos Petrou, Hilmi Volkan Demir   +14 more
wiley   +1 more source

Benchmarking Organic Photodiodes at the Noise Floor

Advanced Optical Materials, EarlyView.
A precise measurement framework based on a calibrated, ultra‐low‐noise automated setup with open‐source Python scripts enables accurate benchmarking of photodiodes. The unique combination of time‐dependent current measurement under dark conditions, followed by continuous‐wave faint illumination, facilitates reliable extraction of photocurrent near ...
Siddhartha Saggar, Giedrius Puidokas, Caroline Murawski   +2 more
wiley   +1 more source

Tunable Patterned Blue Phase Liquid Crystals Based on Lithographic Process Technology

Advanced Optical Materials, EarlyView.
A patterned blue phase liquid crystal device with electrically driven, localized bistability is demonstrated using a cost‐efficient photolithographic dual‐alignment process. The device switches between a high‐contrast patterned state and a uniform reflective state.
Jia‐Yu Cao, Ting‐Mao Feng, Duan‐Yi Guo, Liang‐Ying Wu, Aleksandra Neumann, Kamil Orzechowski, Chun‐Ta Wang   +6 more
wiley   +1 more source

Ultra‐Flexible Dual‐Band Organic Photodetectors for Visible and Near‐Infrared Sensing

Advanced Optical Materials, EarlyView.
An ultra‐flexible dual‐band organic photodetector with a total thickness of 5.6 µm for bio‐sensing is developed. It selectively detects visible and near‐infrared light with high sensitivity by switching the voltage. Peripheral oxygen saturation (SpO2) measurement is demonstrated using the device attached to a finger under a single light source by ...
Sachi Awakura, Hiroaki Jinno, Yusaku Tagawa, Ryota Fukuzawa, Masahito Takakuwa, Takao Someya, Tomoyuki Yokota   +6 more
wiley   +1 more source

Circularly Polarized Structural Color Pigments Tunable Across the Full Visible Spectrum

Advanced Optical Materials, EarlyView.
By infusing black dye into spherical shells of polymerized cholesteric liquid crystal, blue, green and red omnidirectional retroreflectors of circularly polarized structural color are achieved. They can be laid out on arbitrary surfaces without any need for index matching binder to define graphical information for robots and Augmented Reality devices ...
Deniz Işınsu Avşar, Jan P. F. Lagerwall   +1 more
wiley   +1 more source

Effect of Host Anisotropy on Phosphorescent Emitter Orientation and Light Outcoupling in OLEDs

Advanced Optical Materials, EarlyView.
The orientation of the emissive transition dipole moment of a cage‐type Iridium complex can be tuned by the anisotropic alignment of the cohost material, which is expressed as the S$S$ parameter of the film. Thus, the external quantum efficiency of OLEDs can be further enhanced to reach values above 30%.
Bình‐Minh Nguyễn, Jonas Kröber, Philipp Schütz, Klaus Ruhland, Falk May, Wolfgang Brütting   +5 more
wiley   +1 more source

Direct Determination of Carrier Parameters in Plasmonic Indium Tin Oxide Nanocrystals Exploiting Magnetoplasmonic Modulation

Gabbani A., Della Latta E., Li X., Scarperi A., Martini F., Biccari F., Kociak M., Geppi M., Borsacchi S., Pineider F.   +9 more
openalex   +1 more source

XUV filter development for the extreme solar ultraviolet monitor [PDF]

Reynolds, W. R., Steele, G. N.
core   +1 more source

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Mechanism of indium tin oxide//indium tin oxide direct wafer bonding

Thin Solid Films, 2020
Abstract We utilize indium tin oxide (ITO) as a material for direct bonding of Si wafers at low temperatures and without any pretreatment in order to create junctions of Si-ITO//ITO-Si. Transparent conductive oxides combine good conductivity with high optical transparency, rendering them ideal for joining III-V materials with Si based technology, e.g.
Michael Hönle, Peter Oberhumer, Kurt Hingerl, Thorsten Wagner, Sophia Huppmann, Simeon Katz   +5 more
openaire   +1 more source

Stable Indium Tin Oxide with High Mobility

ACS Applied Materials & Interfaces, 2022
Indium tin oxide (ITO) is widely used in a variety of optoelectronic devices, occupying a huge market share of $1.7 billion. However, traditional preparation methods such as magnetron sputtering limit the further development of ITO in terms of high preparation temperature (>350 °C) and low mobility (∼30 cm2 V-1 s-1).
Can Yuan, Xinxing Liu, Ciyu Ge, Wang Li, Kanghua Li, Liuchong Fu, Xiangbin Zeng, Haisheng Song, Yuming He, Xudong Xiao, Junbo Gong, Chao Chen, Jiang Tang   +12 more
openaire   +2 more sources