Nanocavity enhancement for ultra-thin film optical absorber

Haomin Song; Luqing Guo; Zhejun Liu; Kai Liu; Xie Zeng; Dengxin Ji; Nan Zhang; Haifeng Hu; Suhua Jiang; Qiaoqiang Gan

doi:10.1002/adma.201305793

Nanocavity enhancement for ultra-thin film optical absorber

Haomin Song, Luqing Guo, Zhejun Liu, Kai Liu, Xie Zeng, Dengxin Ji, Nan Zhang, Haifeng Hu, Suhua Jiang^*, Qiaoqiang Gan

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

127 Citations (Scopus)

Abstract

A fundamental strategy is developed to enhance the light-matter interaction of ultra-thin films based on a strong interference effect in planar nanocavities, and overcome the limitation between the optical absorption and film thickness of energy harvesting/conversion materials. This principle is quite general and is applied to explore the spectrally tunable absorption enhancement of various ultra-thin absorptive materials including 2D atomic monolayers.

Original language	English
Pages (from-to)	2737-2743
Number of pages	7
Journal	Advanced Materials
Volume	26
Issue number	17
DOIs	https://doi.org/10.1002/adma.201305793
Publication status	Published - 7 May 2014
Externally published	Yes

Keywords

interference
nanocavity
super absorber
ultra-thin absorbing film

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Song, H., Guo, L., Liu, Z., Liu, K., Zeng, X., Ji, D., Zhang, N., Hu, H., Jiang, S., & Gan, Q. (2014). Nanocavity enhancement for ultra-thin film optical absorber. Advanced Materials, 26(17), 2737-2743. https://doi.org/10.1002/adma.201305793

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AU - Guo, Luqing

AU - Liu, Zhejun

AU - Liu, Kai

AU - Zeng, Xie

AU - Ji, Dengxin

AU - Zhang, Nan

AU - Hu, Haifeng

AU - Jiang, Suhua

AU - Gan, Qiaoqiang

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AB - A fundamental strategy is developed to enhance the light-matter interaction of ultra-thin films based on a strong interference effect in planar nanocavities, and overcome the limitation between the optical absorption and film thickness of energy harvesting/conversion materials. This principle is quite general and is applied to explore the spectrally tunable absorption enhancement of various ultra-thin absorptive materials including 2D atomic monolayers.

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KW - nanocavity

KW - super absorber

KW - ultra-thin absorbing film

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Nanocavity enhancement for ultra-thin film optical absorber

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Keywords

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