DOI: 10.1002/adfm.201706437. High‐Performance Near‐Infrared Photodetector Based on Ultrathin Bi<sub>2</sub>O<sub>2</sub>Se Nanosheets

High‐Performance Near‐Infrared Photodetector Based on Ultrathin Bi2O2Se Nanosheets

10.1002/adfm.201706437

Crossref journal-article

Wiley

Advanced Functional Materials (311)

Abstract

AbstractAs an emerging 2D layered material, Bi2O2Se has shown great potential for applications in thermoelectric and electronics, due to its high carrier mobility, near‐ideal subthreshold swing, and high air‐stability. Although Bi2O2Se has a suitable band gap for infrared (IR) applications, its photoresponse properties have not been investigated. Here, high‐quality ultrathin Bi2O2Se sheets are synthesized via a low‐pressure chemical vapor deposition method. The thickness of 90% Bi2O2Se sheets is below 10 nm and lateral sizes mainly distribute in the range of 7–11 µm. In addition, it is found that triangular sheets largely lack “O” content, even only 0.2 for Bi2O0.2Se. The near‐IR photodetection performance of Bi2O2Se nanosheets is systematically studied by variable temperature measurements. The response time, responsivity, and detectivity can approach up to 2.8 ms, 6.5 A W−1, and 8.3 × 1011 Jones, respectively. Additionally, the critical performance parameters, including responsivity, rising time, and decay time, remain at almost the same level when the temperature is changed from 80 to 300 K. These phenomena are likely due to the fact that as‐grown ultrathin Bi2O2Se sheets have no surface trap states and shallow defect energy levels. The findings indicate ultrathin Bi2O2Se sheets have great potentials for future applications in ultrafast, flexible near‐IR optoelectronic devices.

Bibliography

Li, J., Wang, Z., Wen, Y., Chu, J., Yin, L., Cheng, R., Lei, L., He, P., Jiang, C., Feng, L., & He, J. (2018). HighâPerformance NearâInfrared Photodetector Based on Ultrathin Bi2O2Se Nanosheets. Advanced Functional Materials, 28(10). Portico.

Authors 11

Jie Li (first)
Zhenxing Wang (additional)
Yao Wen (additional)
Junwei Chu (additional)
Lei Yin (additional)
Ruiqing Cheng (additional)
Le Lei (additional)
Peng He (additional)
Chao Jiang (additional)
Liping Feng (additional)
Jun He (additional)

References 36 Referenced 248

Dates

Type	When
Created	7 years, 7 months ago (Jan. 10, 2018, 10:10 a.m.)
Deposited	1 year, 11 months ago (Sept. 17, 2023, 4:18 p.m.)
Indexed	3 weeks, 1 day ago (July 31, 2025, 11:55 p.m.)
Issued	7 years, 7 months ago (Jan. 10, 2018)
Published	7 years, 7 months ago (Jan. 10, 2018)
Published Online	7 years, 7 months ago (Jan. 10, 2018)
Published Print	7 years, 5 months ago (March 1, 2018)

Funders 4

National Natural Science Foundation of China 10.13039/501100001809
Region: Asia
gov (National government)
Labels11
1. Chinese National Science Foundation
2. Natural Science Foundation of China
3. National Science Foundation of China
4. NNSF of China
5. NSF of China
6. 国家自然科学基金委员会
7. National Nature Science Foundation of China
8. Guójiā Zìrán Kēxué Jījīn Wěiyuánhuì
9. NSFC
10. NNSF
11. NNSFC
Awards4
1. 61625401
2. 11674265
3. 61474033
4. 61574050
Ministry of Science and Technology of the People's Republic of China 10.13039/501100002855
Region: Asia
gov (National government)
Labels6
1. Chinese Ministry of Science and Technology
2. Ministry of Science & Technology, People Republic of China
3. 中华人民共和国科学技术部
4. Ministry of Science and Technology (China)
5. State Science and Technology Commission
6. MOST
Awards1
1. 2016YFA0200700
Chinese Academy of Sciences 10.13039/501100002367
Region: Asia
gov (Universities (academic only))
Labels3
1. 中国科学院
2. Academia Sinica
3. CAS
Awards1
1. XDA09040201
Youth Innovation Promotion Association of the Chinese Academy of Sciences 10.13039/501100004739
Region: Asia
gov (Associations and societies (private and public))
Labels7
1. CAS YIPA
2. 中国科学院青年创新促进会
3. Youth Innovation Promotion Association CAS
4. Youth Innovation Promotion Association, Chinese Academy of Sciences
5. Youth Innovation Promotion Association of Chinese Academy of Sciences
6. Youth Innovation Promotion Association, CAS
7. YIPA CAS

BibTeX

@article{Li_2018, title={High‐Performance Near‐Infrared Photodetector Based on Ultrathin Bi2O2Se Nanosheets}, volume={28}, ISSN={1616-3028}, url={http://dx.doi.org/10.1002/adfm.201706437}, DOI={10.1002/adfm.201706437}, number={10}, journal={Advanced Functional Materials}, publisher={Wiley}, author={Li, Jie and Wang, Zhenxing and Wen, Yao and Chu, Junwei and Yin, Lei and Cheng, Ruiqing and Lei, Le and He, Peng and Jiang, Chao and Feng, Liping and He, Jun}, year={2018}, month=jan }

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