Two-dimensional tetragonal carbon nitride semiconductors with fascinating electronic/optical properties and low thermal conductivity

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成果类型：

期刊论文

作者：

Tan, Rui;Ouyang, Yulou;Li, Longhui;Zeng, Yujia;Tang, Zhenkun;...

通讯作者：

Ouyang, YL;Chen, J

作者机构：

[Li, Longhui; Tang, Zhenkun; Tan, Rui; Ouyang, YL; Ouyang, Yulou] Univ Hunan Prov, Key Lab Micronano Energy Mat & Applicat Technol, Hengyang 421002, Peoples R China.

[Li, Longhui; Tan, Rui; Zhang, Zhongwei; Ouyang, YL; Ouyang, Yulou] Hengyang Normal Univ, Coll Phys & Elect Engn, Hengyang 421002, Peoples R China.

[Zeng, Yujia] Hunan Univ Sci & Technol, Sch Mat Sci & Engn, Xiangtan 411201, Peoples R China.

[Zeng, Yujia] Hunan Univ Sci & Technol, Hunan Prov Key Lab Adv Mat New Energy Storage & Co, Xiangtan 411201, Peoples R China.

[Zhang, Zhongwei; Chen, Jie] Tongji Univ, Ctr Phonon & Thermal Energy Sci, Sch Phys Sci & Engn, China EU Joint Lab Nanophonon,MOE Key Lab Adv Micr, Shanghai, Peoples R China.

通讯机构：

[Ouyang, YL ] U

[Chen, J ] T

Univ Hunan Prov, Key Lab Micronano Energy Mat & Applicat Technol, Hengyang 421002, Peoples R China.

Hengyang Normal Univ, Coll Phys & Elect Engn, Hengyang 421002, Peoples R China.

Tongji Univ, Ctr Phonon & Thermal Energy Sci, Sch Phys Sci & Engn, China EU Joint Lab Nanophonon,MOE Key Lab Adv Micr, Shanghai, Peoples R China.

语种：

英文

关键词：

semiconductors;physical properties;tetragonal carbon nitride;two-dimensional materials

期刊：

Journal of Physics D: Applied Physics

ISSN：

0022-3727

年：

2024

卷：

期：

DOI：

10.1088/1361-6463/ad7b4e

基金类别：

Special Funds of the Tongji University for "Sino-German Cooperation 2.0 Strategy" [12205220, 12075168]; National Natural Science Foundation of China [ZD2023005]; Special Funds of the Tongji University for 'Sino-German Cooperation 2.0 Strategy' [2022JJ40008, 2023JJ40094]; Hunan Provincial Natural Science Foundation of China [21B0635]; Scientific Research Fund of Hunan Provincial Education Department; Key Laboratory of Micro-nano Energy Materials and Application Technologies, University of Hunan Province; Shuguang Program of Shanghai Education Development Foundation [23SG18]; Shanghai Municipal Education Commission

机构署名：

本校为通讯机构

院系归属：

物理与电子工程学院

摘要：

Exploring two-dimensional (2D) tetragonal carbon nitride materials is significant for unlocking new physical properties beyond those offered by traditional hexagonal lattices. In this work, we propose three theoretically stable 2D carbon nitride monolayers with tetragonal lattices, namely T-C3N, P-C3N, and PH-C5N4. Electronic structure calculations indicate that all three monolayers exhibit semiconducting characteristics, with T-C3N showing interesting flat band features. Additionally, these three carbon nitrides exhibit anisotropic and high carrier mobilities and excellent light absorption ca...

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Two-dimensional tetragonal carbon nitride semiconductors with fascinating electronic/optical properties and low thermal conductivity

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