Improvement in near-infrared absorbance attenuation by using nanometer black silicon composited with gold nanoparticles.

Guanyu Mi, Jian Lv, Longcheng Que, Cheng Tan, Jian Huang, Zhongyuan Liu, Lintong Zhao

Abstract read

In one paragraph

Article in Discover nano, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

7 authors.

Guanyu MiState Key Laboratory of Electronic Thin Film and Integrated Devices, University of Electronic Science and Technology of China, Chengdu, 610054, China.

Jian LvState Key Laboratory of Electronic Thin Film and Integrated Devices, University of Electronic Science and Technology of China, Chengdu, 610054, China. lvjian@uestc.edu.cn.

Longcheng QueState Key Laboratory of Electronic Thin Film and Integrated Devices, University of Electronic Science and Technology of China, Chengdu, 610054, China.

Cheng TanState Key Laboratory of Electronic Thin Film and Integrated Devices, University of Electronic Science and Technology of China, Chengdu, 610054, China.

Jian HuangChina Electronics Technology Group Corporation Chongqing Acoustic Optic Electronic CO., LT, Chongqing, 401332, China.

Zhongyuan LiuChina Electronics Technology Group Corporation Chongqing Acoustic Optic Electronic CO., LT, Chongqing, 401332, China.

Lintong ZhaoState Key Laboratory of Electronic Thin Film and Integrated Devices, University of Electronic Science and Technology of China, Chengdu, 610054, China.

Funding

National Key Research and Development Program of China No. 2022YFC2203902

6 · The paper itself

Abstract

In order to solve the problem of near-infrared (NIR) absorbance attenuation of silicon, a method of preparing gold nanoparticles (AuNPs) on the micro-nano-structured black silicon (B-Si) is proposed. In this study, the local surface plasmon resonance (LSPR) of AuNPs excited by a light field is used to achieve B-Si materials with broad spectrum and high absorption. The results show that nanometer B-Si composited with 25-nm AuNPs has an average absorption of 98.6% in the spectral range of 400-1100 nm and 97.8% in the spectral range of 1100-2500 nm. Compared with ordinary B-Si, the absorption spectrum is broadened from 400-1100 nm to 400-2500 nm, and the absorption is increased from 90.1 to 97.8% at 1100-2500 nm. It is possible to use the B-Si materials in the field of NIR-enhanced photoelectric detection and micro-optical night vision imaging due to the low cost, high compatibility, and reliability.

Indexed as

Broad spectrumGold nanoparticlesNanometer black siliconNear-infrared absorption

Identifiers

PMID37382766

DOI10.1186/s11671-023-03847-z

PMCPMC10239428

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.