Journal of Alloys and Compounds, volume 596, pages 73-78

Flexible lead sulfide colloidal quantum dot photodetector using pencil graphite electrodes on paper substrates

Publication typeJournal Article
Publication date2014-05-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor6.2
ISSN09258388
Materials Chemistry
Metals and Alloys
Mechanical Engineering
Mechanics of Materials
Abstract
Photoconductive photodetector fabricated from lead sulfide (PbS) colloidal quantum dots (CQDs) has demonstrated extremely high sensitivity and detectivity, in addition to their low-cost solution process. In this report we presented an extremely low-cost and flexible PbS photodetector using stone paper as the substrates and pencil drawn graphite as the electrodes. Single crystalline PbS CQDs and Au nanocrystals (NCs) with diameter of 3.2 nm and 7.5 nm were synthesized from the hot injection method. Layer-by-layer spin-coating was applied to construct the absorbing layer. By applying cetyltrimethylammonium bromide (CTAB) for the treatment and incorporating Au NCs into PbS CQD film, we have successfully built a fast and flexible device with detectivity up to 1.1 × 1010 Jones and 3 dB bandwidth of 61.2 Hz. Our flexible CQD photodetector might find its application in next generation flexible optoelectronic device.

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GOST Copy
He J. et al. Flexible lead sulfide colloidal quantum dot photodetector using pencil graphite electrodes on paper substrates // Journal of Alloys and Compounds. 2014. Vol. 596. pp. 73-78.
GOST all authors (up to 50) Copy
He J., LUO M., Hu L., Zhou Y., Jiang S., Song H., YE R., Chen J., Gao L., Tang J. H. Flexible lead sulfide colloidal quantum dot photodetector using pencil graphite electrodes on paper substrates // Journal of Alloys and Compounds. 2014. Vol. 596. pp. 73-78.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.jallcom.2014.01.194
UR - https://doi.org/10.1016/j.jallcom.2014.01.194
TI - Flexible lead sulfide colloidal quantum dot photodetector using pencil graphite electrodes on paper substrates
T2 - Journal of Alloys and Compounds
AU - He, Jungang
AU - LUO, MIAO
AU - Hu, Long
AU - Zhou, Yongli
AU - Jiang, Shenglin
AU - Song, Haisheng
AU - YE, RUI
AU - Chen, Jie
AU - Gao, Liang
AU - Tang, Jiang Hong
PY - 2014
DA - 2014/05/01 00:00:00
PB - Elsevier
SP - 73-78
VL - 596
SN - 0925-8388
ER -
BibTex
Cite this
BibTex Copy
@article{2014_He,
author = {Jungang He and MIAO LUO and Long Hu and Yongli Zhou and Shenglin Jiang and Haisheng Song and RUI YE and Jie Chen and Liang Gao and Jiang Hong Tang},
title = {Flexible lead sulfide colloidal quantum dot photodetector using pencil graphite electrodes on paper substrates},
journal = {Journal of Alloys and Compounds},
year = {2014},
volume = {596},
publisher = {Elsevier},
month = {may},
url = {https://doi.org/10.1016/j.jallcom.2014.01.194},
pages = {73--78},
doi = {10.1016/j.jallcom.2014.01.194}
}
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