Nanotechnology, volume 27, issue 6, pages 65201
Stability enhancement of PbSe quantum dots via post-synthetic ammonium chloride treatment for a high-performance infrared photodetector
Chunjie Fu
1
,
Haowei Wang
2, 3, 4
,
Taojian Song
1
,
Li Zhang
2, 3, 4
,
Wei-Le Li
1
,
Bo He
1
,
Muhammad Sulaman
1
,
Sheng-Yi Yang
5, 6
,
Rui-Bin Liu
1
2
Beijing Key Lab of Nanophotonics and Ultrafine Optoelectronic Systems
|
4
Beijing 100081 People's Republic of China
|
6
State Key Laboratory of Transducer Technology, Chinese Academy of Sciences, People's Republic of China
|
Publication type: Journal Article
Publication date: 2015-12-18
General Chemistry
General Materials Science
Electrical and Electronic Engineering
Mechanical Engineering
Bioengineering
Mechanics of Materials
Abstract
Infrared (IR) emission lead selenide (PbSe) quantum dots (QDs) have gained considerable attention in the last decade due to their potential applications in optoelectronic devices. However, the comprehensive applications of PbSe QDs have not been realized yet due to their high susceptibility to oxidation in air. In this paper, we demonstrate the stability enhancement of PbSe colloidal QDs via a post-synthetic ammonium chloride treatment and its applications in a solution-processed high-performance IR photodetector with a field-effect transistor (FET) configuration by reversely fabricating the PbSe active layer and polymethylmethacrylate (PMMA) dielectric layer. The responsivity and the specific detectivity of the FET-based photodetector Au(source, drain)/PbSe(52 nm)/PMMA(930 nm)/Au(gate) reached 64.17 mA W(-1) and 5.08 × 10(10) Jones, respectively, under 980 nm laser illumination with an intensity of 0.1 mW cm(-2). Therefore, it provides a promising way to make a high-sensitivity near-IR/mid-IR photodetector.
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Fu C. et al. Stability enhancement of PbSe quantum dots via post-synthetic ammonium chloride treatment for a high-performance infrared photodetector // Nanotechnology. 2015. Vol. 27. No. 6. p. 65201.
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Fu C., Wang H., Song T., Zhang L., Li W., He B., Sulaman M., Yang S., Liu R. Stability enhancement of PbSe quantum dots via post-synthetic ammonium chloride treatment for a high-performance infrared photodetector // Nanotechnology. 2015. Vol. 27. No. 6. p. 65201.
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RIS
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TY - JOUR
DO - 10.1088/0957-4484/27/6/065201
UR - https://doi.org/10.1088/0957-4484/27/6/065201
TI - Stability enhancement of PbSe quantum dots via post-synthetic ammonium chloride treatment for a high-performance infrared photodetector
T2 - Nanotechnology
AU - Fu, Chunjie
AU - Wang, Haowei
AU - Song, Taojian
AU - Zhang, Li
AU - Li, Wei-Le
AU - He, Bo
AU - Sulaman, Muhammad
AU - Yang, Sheng-Yi
AU - Liu, Rui-Bin
PY - 2015
DA - 2015/12/18
PB - IOP Publishing
SP - 65201
IS - 6
VL - 27
SN - 0957-4484
SN - 1361-6528
ER -
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@article{2015_Fu,
author = {Chunjie Fu and Haowei Wang and Taojian Song and Li Zhang and Wei-Le Li and Bo He and Muhammad Sulaman and Sheng-Yi Yang and Rui-Bin Liu},
title = {Stability enhancement of PbSe quantum dots via post-synthetic ammonium chloride treatment for a high-performance infrared photodetector},
journal = {Nanotechnology},
year = {2015},
volume = {27},
publisher = {IOP Publishing},
month = {dec},
url = {https://doi.org/10.1088/0957-4484/27/6/065201},
number = {6},
pages = {65201},
doi = {10.1088/0957-4484/27/6/065201}
}
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Fu, Chunjie, et al. “Stability enhancement of PbSe quantum dots via post-synthetic ammonium chloride treatment for a high-performance infrared photodetector.” Nanotechnology, vol. 27, no. 6, Dec. 2015, p. 65201. https://doi.org/10.1088/0957-4484/27/6/065201.