Large area and broadband gold-black absorber and the nanocone-like array model

Yan Hao, Yanze Gao, Suhui Yang*, Zhuo Li, Yingqi Liao, Xin Wang, Yongming Zhao, Jinying Zhang

*此作品的通讯作者

科研成果: 书/报告/会议事项章节会议稿件同行评审

1 引用 (Scopus)

摘要

Broadband light absorbers are attractive for their applications in photodetection and thermal detectors. Metal-black coatings have been experimentally proven to have broadband light absorption characteristic. A large area and broadband gold-black coating was fabricated by a low-cost but effective sputtering process. The gold-black films exhibited reduced reflection of 4.81%, 2.48% and 1.93% for sputtering pressure of 50, 65 and 80 Pa in 300-800 nm spectral range, and their size reached 4- inches. A three-dimensional nanocone-like array model was proposed for the gold-black films. Then, the nanocone array of this model was embedded with many gold nanoparticles due to the rough surface of the gold-black films. The results indicated this proposed model of nanocone-like array embedded with nanoparticles can be a good tool to design broadband gold-black absorbers.

源语言英语
主期刊名AOPC 2021
主期刊副标题Optoelectronics and Nanophotonics
编辑Zhiping Zhou, Yidong Huang
出版商SPIE
ISBN(电子版)9781510649996
DOI
出版状态已出版 - 2021
活动2021 Applied Optics and Photonics China: Optoelectronics and Nanophotonics, AOPC 2021 - Beijing, 中国
期限: 20 6月 202122 6月 2021

出版系列

姓名Proceedings of SPIE - The International Society for Optical Engineering
12062
ISSN(印刷版)0277-786X
ISSN(电子版)1996-756X

会议

会议2021 Applied Optics and Photonics China: Optoelectronics and Nanophotonics, AOPC 2021
国家/地区中国
Beijing
时期20/06/2122/06/21

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