NiTe2 Nanosheets for Broadband Photodetection

被引：12

作者：

Zhang, Yun ^{[1
]}

Chen, Liyan ^{[1
]}

Ding, Tao ^{[2
]}

Xu, Jibo ^{[3
]}

Zhang, Xiaoyi ^{[1
]}

Liu, Haopeng ^{[1
]}

Chen, Guihuan ^{[1
,4
]}

机构：

[1] Qingdao Univ, Coll Mat Sci & Engn, Qingdao 266071, Peoples R China

[2] Univ Sci & Technol China USTC, Hefei Natl Lab Phys Sci Microscale, Dept Chem, Lab Nanomat Energy Convers, Hefei 230026, Anhui, Peoples R China

[3] Qingdao Univ, Coll Phys Sci, Qingdao 266071, Peoples R China

[4] Qingdao Univ, Univ Ind Joint Ctr Ocean Observat & Broadband Com, Qingdao 266071, Peoples R China

来源：

ACS APPLIED NANO MATERIALS | 2022年 / 5卷 / 05期

关键词：

type-II Dirac semimetal; NiTe2; nanosheets; photodetector; high sensitive; broadband response;

D O I：

10.1021/acsanm.2c01421

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Materials showing type II Dirac fermions can generate abundant physical properties. NiTe2 is a type-II Dirac semimetal, however, most of the synthesis methods for 2D NiTe2 require a high temperature (>550 degrees C) or complex manipulations, leading to environmentally unstable products. Herein, a facile solvothermal method is designed to prepare NiTe2 nanosheets. Significantly, a NiTe2 nanosheet-based flexible photodetector responds with high sensitivy to wide range incident light from 450 to 1550 nm. Moreover, the NiTe2 nanosheets maintain high environmental stability for 30 days, and the output current of the device shows negligible decay over time.

引用

页码：6094 / 6099

页数：6

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