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Electrically tunable two-dimensional heterojunctions for miniaturized near-infrared spectrometers

Miniaturized spectrometers are of considerable interest for their portability. Most designs to date employ a photodetector array with distinct spectral responses or require elaborated integration of micro & nano optic modules, typically with a centimeter-scale footprint. Here, we report a design...

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Autores principales: Deng, Wenjie, Zheng, Zilong, Li, Jingzhen, Zhou, Rongkun, Chen, Xiaoqing, Zhang, Dehui, Lu, Yue, Wang, Chongwu, You, Congya, Li, Songyu, Sun, Ling, Wu, Yi, Li, Xuhong, An, Boxing, Liu, Zheng, Wang, Qi jie, Duan, Xiangfeng, Zhang, Yongzhe
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9360404/
https://www.ncbi.nlm.nih.gov/pubmed/35941126
http://dx.doi.org/10.1038/s41467-022-32306-z
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author Deng, Wenjie
Zheng, Zilong
Li, Jingzhen
Zhou, Rongkun
Chen, Xiaoqing
Zhang, Dehui
Lu, Yue
Wang, Chongwu
You, Congya
Li, Songyu
Sun, Ling
Wu, Yi
Li, Xuhong
An, Boxing
Liu, Zheng
Wang, Qi jie
Duan, Xiangfeng
Zhang, Yongzhe
author_facet Deng, Wenjie
Zheng, Zilong
Li, Jingzhen
Zhou, Rongkun
Chen, Xiaoqing
Zhang, Dehui
Lu, Yue
Wang, Chongwu
You, Congya
Li, Songyu
Sun, Ling
Wu, Yi
Li, Xuhong
An, Boxing
Liu, Zheng
Wang, Qi jie
Duan, Xiangfeng
Zhang, Yongzhe
author_sort Deng, Wenjie
collection PubMed
description Miniaturized spectrometers are of considerable interest for their portability. Most designs to date employ a photodetector array with distinct spectral responses or require elaborated integration of micro & nano optic modules, typically with a centimeter-scale footprint. Here, we report a design of a micron-sized near-infrared ultra-miniaturized spectrometer based on two-dimensional van der Waals heterostructure (2D-vdWH). By introducing heavy metal atoms with delocalized electronic orbitals between 2D-vdWHs, we greatly enhance the interlayer coupling and realize electrically tunable infrared photoresponse (1.15 to 1.47 μm). Combining the gate-tunable photoresponse and regression algorithm, we achieve spectral reconstruction and spectral imaging in a device with an active footprint < 10 μm. Considering the ultra-small footprint and simple fabrication process, the 2D-vdWHs with designable bandgap energy and enhanced photoresponse offer an attractive solution for on-chip infrared spectroscopy.
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spelling pubmed-93604042022-08-10 Electrically tunable two-dimensional heterojunctions for miniaturized near-infrared spectrometers Deng, Wenjie Zheng, Zilong Li, Jingzhen Zhou, Rongkun Chen, Xiaoqing Zhang, Dehui Lu, Yue Wang, Chongwu You, Congya Li, Songyu Sun, Ling Wu, Yi Li, Xuhong An, Boxing Liu, Zheng Wang, Qi jie Duan, Xiangfeng Zhang, Yongzhe Nat Commun Article Miniaturized spectrometers are of considerable interest for their portability. Most designs to date employ a photodetector array with distinct spectral responses or require elaborated integration of micro & nano optic modules, typically with a centimeter-scale footprint. Here, we report a design of a micron-sized near-infrared ultra-miniaturized spectrometer based on two-dimensional van der Waals heterostructure (2D-vdWH). By introducing heavy metal atoms with delocalized electronic orbitals between 2D-vdWHs, we greatly enhance the interlayer coupling and realize electrically tunable infrared photoresponse (1.15 to 1.47 μm). Combining the gate-tunable photoresponse and regression algorithm, we achieve spectral reconstruction and spectral imaging in a device with an active footprint < 10 μm. Considering the ultra-small footprint and simple fabrication process, the 2D-vdWHs with designable bandgap energy and enhanced photoresponse offer an attractive solution for on-chip infrared spectroscopy. Nature Publishing Group UK 2022-08-08 /pmc/articles/PMC9360404/ /pubmed/35941126 http://dx.doi.org/10.1038/s41467-022-32306-z Text en © The Author(s) 2022 https://creativecommons.org/licenses/by/4.0/Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) .
spellingShingle Article
Deng, Wenjie
Zheng, Zilong
Li, Jingzhen
Zhou, Rongkun
Chen, Xiaoqing
Zhang, Dehui
Lu, Yue
Wang, Chongwu
You, Congya
Li, Songyu
Sun, Ling
Wu, Yi
Li, Xuhong
An, Boxing
Liu, Zheng
Wang, Qi jie
Duan, Xiangfeng
Zhang, Yongzhe
Electrically tunable two-dimensional heterojunctions for miniaturized near-infrared spectrometers
title Electrically tunable two-dimensional heterojunctions for miniaturized near-infrared spectrometers
title_full Electrically tunable two-dimensional heterojunctions for miniaturized near-infrared spectrometers
title_fullStr Electrically tunable two-dimensional heterojunctions for miniaturized near-infrared spectrometers
title_full_unstemmed Electrically tunable two-dimensional heterojunctions for miniaturized near-infrared spectrometers
title_short Electrically tunable two-dimensional heterojunctions for miniaturized near-infrared spectrometers
title_sort electrically tunable two-dimensional heterojunctions for miniaturized near-infrared spectrometers
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9360404/
https://www.ncbi.nlm.nih.gov/pubmed/35941126
http://dx.doi.org/10.1038/s41467-022-32306-z
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