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首页> 外文期刊>Advanced Functional Materials >Quasi-Ordered Nanoforests with Hybrid Plasmon Resonances for Broadband Absorption and Photodetection
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Quasi-Ordered Nanoforests with Hybrid Plasmon Resonances for Broadband Absorption and Photodetection

机译：用于宽带吸收和光检测的混合等离子体共振准有序纳米集

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摘要

With the continuing development of green energy technology, solar energy is the most widely distributed and easily utilized form of energy in nature. High-absorption absorbers over a wide spectrum range are beneficial for solar energy harvest. Herein, a fast and efficient method is developed to fabricate a broadband absorber consisting of quasi-ordered nanoforests and metal nanoparticles using a simple plasma bombardment process on a 4-inch silicon wafer, offering high throughputs that can meet practical application demands. The absorber exhibits high absorption exceeding 90% from 300 to 2500 nm, good absorption stability with negligible disturbance from the polarization and the incident angle of light. This effective absorption behavior can be ascribed to multilevel hybridization of the plasmon resonances in the hybrid structures and cavity mode resonances inside the nanoforests. Furthermore, the absorber is integrated onto a thermopile for photodetection with largely enhanced photoresponse from 532 to 2200 nm. The photoinduced voltage of the devices shows a large increment of 433% at 100 mW cm(-2) light power density, in comparison with a contrast pristine thermopile. It is expected that such a broadband absorber holds great potential for multiple applications, including solar steam generation, photodetection, and solar cells.
机译：随着绿色能源技术的持续发展，太阳能是最广泛分布的，易于利用的能源。宽频谱范围内的高吸收吸收器有利于太阳能收获。在此，开发了一种快速和有效的方法，用于制造由四寸硅晶片上的简单等离子体轰击过程制造由准有序的纳米型和金属纳米颗粒组成的宽带吸收器，提供了能够满足实际应用需求的高吞吐量。吸收剂具有超过300至2500nm的高吸收，从300至2500nm，良好的吸收稳定性，偏离极化和光入射角可忽略不计。这种有效的吸收行为可以归因于纳米型和纳米型内部的混合结构和腔模式共振中的等离子体谐振的多级杂交。此外，吸收器集成在热电探测到光电检测到，具有大量增强的光响应，从532到2200nm。与对比度原始热电堆相比，光渗出电压显示为100mW cm（-2）光功率密度的较大增量433％。预期，这种宽带吸收器对多种应用具有很大的潜力，包括太阳能蒸汽发电，光电检测和太阳能电池。

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  • 来源
    《Advanced Functional Materials》 |2021年第38期|2102840.1-2102840.9|共9页
  • 作者

    Li Mao; Shi Meng; Wang Bin; Zhang Chenchen; Yang Shuai; Yang Yudong; Zhou Na; Guo Xin; Chen Dapeng; Li Shaojuan; Mao Haiyang; Xiong Jijun;

  • 作者单位

    Chinese Acad Sci Inst Microelect Beijing 100029 Peoples R China|Univ Chinese Acad Sci UCAS Beijing 100049 Peoples R China;

    Chinese Acad Sci Inst Microelect Beijing 100029 Peoples R China;

    Univ Chinese Acad Sci UCAS Beijing 100049 Peoples R China|Chinese Acad Sci Changchun Inst Opt Fine Mech & Phys State Key Lab Appl Opt Changchun 130033 Peoples R China;

    Chinese Acad Sci Inst Microelect Beijing 100029 Peoples R China|North Univ China Natl Key Lab Elect Measurement Technol Taiyuan 030051 Peoples R China;

    Chinese Acad Sci Inst Microelect Beijing 100029 Peoples R China|North Univ China Natl Key Lab Elect Measurement Technol Taiyuan 030051 Peoples R China;

    Chinese Acad Sci Inst Microelect Beijing 100029 Peoples R China;

    Chinese Acad Sci Inst Microelect Beijing 100029 Peoples R China|Univ Chinese Acad Sci UCAS Beijing 100049 Peoples R China;

    North Univ China Natl Key Lab Elect Measurement Technol Taiyuan 030051 Peoples R China;

    Chinese Acad Sci Inst Microelect Beijing 100029 Peoples R China|Univ Chinese Acad Sci UCAS Beijing 100049 Peoples R China|Wuxi Internet Things Innovat Ctr Co Ltd Wuxi 214001 Jiangsu Peoples R China;

    Chinese Acad Sci Changchun Inst Opt Fine Mech & Phys State Key Lab Appl Opt Changchun 130033 Peoples R China;

    Chinese Acad Sci Inst Microelect Beijing 100029 Peoples R China|Univ Chinese Acad Sci UCAS Beijing 100049 Peoples R China|Wuxi Internet Things Innovat Ctr Co Ltd Wuxi 214001 Jiangsu Peoples R China;

    North Univ China Natl Key Lab Elect Measurement Technol Taiyuan 030051 Peoples R China;

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  • 正文语种 eng
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  • 关键词

    broadband photodetectors; hybrid plasmon resonances; light trapping; plasma bombardment process; quasi-ordered nanoforests;

    机译：宽带光电探测器;混合等离子体共振;光捕获;等离子体轰击过程;准订货纳米型;

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