Results 51 to 60 of about 5,798 (263)

Near-unity broadband omnidirectional emissivity via femtosecond laser surface processing

Communications Materials, 2021
Surfaces with wide-angle high emissivity in the infrared spectrum are important for applications in radiative cooling, thermophotovoltaics, and spacecraft thermal management.
Andrew Reicks, Alfred Tsubaki, Mark Anderson, Jace Wieseler, Larousse Khosravi Khorashad, Jeffrey E. Shield, George Gogos, Dennis Alexander, Christos Argyropoulos, Craig Zuhlke   +9 more
doaj   +1 more source

Infrared Emission from AGN [PDF]

Symposium - International Astronomical Union, 1999
Infrared observations of complete samples of active galactic nuclei (AGN) have shown that a substantial fraction of their bolometric luminosity is emitted at wavelengths ˜8–1000μm. In radio-loud and Blazar-like objects much of this emission appears to be direct non-thermal synchrotron radiation. However, in the much larger numbers of radio-quiet AGN it
openaire   +2 more sources

Thermal infrared emission from biased graphene [PDF]

Nature Nanotechnology, 2010
The high carrier mobility and thermal conductivity of graphene make it a candidate material for future high-speed electronic devices. Although the thermal behaviour of high-speed devices can limit their performance, the thermal properties of graphene devices remain incompletely understood.
Marcus, Freitag, Hsin-Ying, Chiu, Mathias, Steiner, Vasili, Perebeinos, Phaedon, Avouris   +4 more
openaire   +2 more sources

Atomic Size Misfit for Electrocatalytic Small Molecule Activation

Advanced Functional Materials, EarlyView.
This review explores the application and mechanisms of atomic size misfit in catalysis for small molecule activation, focusing on how structural defects and electronic properties can effectively lower the energy barriers of chemical bonds in molecules like H2O, CO2, and N2.
Ping Hong, Changfan Xu, Huaping Zhao, Yong Lei   +3 more
wiley   +1 more source

Non-volatile tunable multispectral compatible infrared camouflage based on the infrared radiation characteristics of Rosaceae plants

Opto-Electronic Advances
Most multispectral compatible infrared camouflage devices primarily focus on achieving low emissivity but neglect environmental emissivity matching when environmental emissivity exceeds that of the devices, this creates a "low-emissivity exposure" risk ...
Xin Li, Xinye Liao, Junxiang Zeng, Zao Yi, Xin He, Jiagui Wu, Huan Chen, Zhaojian Zhang, Yang Yu, Zhengfu Zhang, Sha Huang, Junbo Yang   +11 more
doaj   +1 more source

Dynamic thermal camouflage via a liquid-crystal-based radiative metasurface

Nanophotonics, 2020
Thermal camouflage, which is used to conceal objects in the infrared vision for confrontation with infrared detection in civilian or military applications, has garnered increasing attraction and interest recently.
Liu Yida, Song Jinlin, Zhao Weixian, Ren Xuecheng, Cheng Qiang, Luo Xiaobing, Fang Nicholas Xuanlai, Hu Run   +7 more
doaj   +1 more source

Copper‐based Materials for Photo and Electrocatalytic Process: Advancing Renewable Energy and Environmental Applications

Advanced Functional Materials, EarlyView.
Cu‐based catalysts as a cornerstone in advancing sustainable energy technologies are fully reviewed in this manuscript, highlighting their potential in photo‐ and electrocatalysis. It includes metallic copper, copper oxides, copper sulfides, copper halide perovskites, copper‐based metal–organic frameworks (MOFs), and covalent organic frameworks (COFs),
Jéssica C. de Almeida, Yanjie Wang, Thais A. Rodrigues, Paulo H. H. Nunes, Vagner R. de Mendonça, Paulo H. E. Falsetti, Leticia V. Savazi, Tao He, Alexandra V. Bardakova, Aida V. Rudakova, Jie Tian, Alexei V. Emeline, Osmando F. Lopes, Antonio Otavio T. Patrocínio, Jia Hong Pan, Caue Ribeiro, Detlef W. Bahnemann   +16 more
wiley   +1 more source

High-Temperature Stealth Across Multi-Infrared and Microwave Bands with Efficient Radiative Thermal Management

Nano-Micro Letters
Highlights Simultaneous stealth across multiple infrared bands (short-wave infrared (SWIR), mid-wave infrared (MWIR), long-wave infrared (LWIR)) and microwaves at high temperatures (700 °C) is achieved.
Meng Zhao, Huanzheng Zhu, Bing Qin, Rongxuan Zhu, Jihao Zhang, Pintu Ghosh, Zuojia Wang, Min Qiu, Qiang Li   +8 more
doaj   +1 more source

Structure and properties of atmospheric plasma sprayed MnO2/VB2 co-doped NiCr2O4 based thermal radiation coatings

Cailiao gongcheng
The MnO2 and VB2 co-doped NiCr2O4 coatings（MV） with different ratios of moles are prepared by atmospheric plasma spraying（APS）， and the phase composition， microstructure， infrared emissivity and thermal shock resistance of the coatings are investigated ...
HU Chengwei, CAO Qian, YANG Hu, CHENG Xudong, ZENG Xian   +4 more
doaj   +1 more source

The Infrared Emission Bands [PDF]

Proceedings of the International Astronomical Union, 2013
AbstractUp to 10% of the total power output of star-forming galaxies is emitted in the infrared emission features at 3.3, 6.2, 7.7, 8.6 and 11.2 μm. Here, I will review the spectral characteristics of these IR emission bands, their dependence on the local environment, the implications for the physical and chemical characteristics of the carriers, and ...
openaire   +1 more source