Bidirectional electric-field control of quantum efficiency in Er3+-doped WSe2 monolayers: Up/down-conversion photonics for tunable optoelectronics

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成果类型：

期刊论文

作者：

Liu, Wenjing;Lin, Zhitao;Zhao, Hongquan*;Xu, Min;Feng, Shimao;...

通讯作者：

Shi, X;Yang, XG;Zhao, Hongquan

作者机构：

[Liu, Wenjing; Shi, Xuan; Feng, Shimao] Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Chongqing 400714, Peoples R China.

[Yang, Xianguang; Lin, Zhitao] Jinan Univ, Inst Nanophoton, Coll Phys & Optoelect Engn, Guangdong Prov Key Lab Nanophoton Manipulat, Guangzhou 511443, Peoples R China.

[Tong, Zhili; Zhao, Hongquan; Xu, Min; Zeng, Pengcheng; Shi, Xuan; Li, Shuhao] Univ South China, Sch Elect Engn, Hengyang 421001, Peoples R China.

[Shi, Xuan; Wang, Mingjun; Shu, Yiming] Chongqing Univ Posts & Telecommun, Sch Optoelect Engn, Chongqing 400065, Peoples R China.

[Shi, Xuan] Sichuan Univ Sci & Engn, Sch Automat & Informat Engn, Zigong 643000, Peoples R China.

通讯机构：

[Zhao, HQ] U

[Yang, XG ] J

[Shi, X ] C

Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Chongqing 400714, Peoples R China.

Jinan Univ, Inst Nanophoton, Coll Phys & Optoelect Engn, Guangdong Prov Key Lab Nanophoton Manipulat, Guangzhou 511443, Peoples R China.

语种：

英文

期刊：

Materials Science in Semiconductor Processing

ISSN：

1369-8001

年：

2026

卷：

201

页码：

110078

DOI：

10.1016/j.mssp.2025.110078

基金类别：

CRediT authorship contribution statement Wenjing Liu: Writing – original draft, Validation. Zhitao Lin: Validation. Hongquan Zhao: acquisition. Min Xu: Data curation. Shimao Feng: Investigation. Yiming Shu: Resources. Mingjun Wang: Data curation. Shuhao Li: Formal analysis. Zhili Tong: Resources. Pengcheng Zeng: Methodology. Xianguang Yang: Supervision. Xuan Shi: Writing – review & editing, Writing – original draft, Supervision, Project administration, acquisition.

机构署名：

本校为通讯机构

院系归属：

电气工程学院

摘要：

High-concentration erbium-doped WSe 2 monolayer (7.2 at%) is synthesized via in-situ CVD, enabling electric-field-tunable photoluminescence (PL) with enhanced quantum efficiency. Structural characterization results verify the homogeneous incorporation of Er 3+ into the host WSe 2 , while gate-controlled devices reveal bidirectional modulation of up/down-conversion PL. The material exhibits broadband emission from UV to visible and near-infrared under 980 nm excitation, and a distinct 780 nm visible peak under 532 nm excitation. Vertical electric fields suppress PL under positive bias but boost...

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Bidirectional electric-field control of quantum efficiency in Er3+-doped WSe2 monolayers: Up/down-conversion photonics for tunable optoelectronics

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