Advanced Functional Materials, volume 27, issue 2, pages 1603605

Synergistic Effect of Hybrid PbS Quantum Dots/2D-WSe2Toward High Performance and Broadband Phototransistors

Chao Hu 1
Dongdong Dong 1
Xiaokun Yang 1
Keke Qiao 1
Dun Yang 1
Hui Deng 1
Shengjie Yuan 1
Jahangeer Khan 1
Lan Yang 1
Haisheng Song 1
Jiang Hong Tang 1
Publication typeJournal Article
Publication date2016-11-16
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor19
ISSN1616301X, 16163028
Electronic, Optical and Magnetic Materials
Electrochemistry
Condensed Matter Physics
Biomaterials
Abstract
The transitionmetal dichalcogenides-based phototransistors have demonstrated high transport mobility but are limited to poor photoresponse, which greatly blocks their applications in optoelectronic fields. Here, light sensitive PbS colloidal quantum dots (QDs) combined with 2D WSe2 to develop hybrid QDs/2D-WSe2 phototransistors for high performance and broadband photodetection are utilized. The device shows a responsivity up to 2 × 105 A W–1, which is orders of magnitude higher than the counterpart of individual material-based devices. The detection spectra of hybrid devices can be extended to near infrared similar to QDs' response. The high performance of hybrid 0D-2D phototransistor is ascribed to the synergistic function of photogating effect. PbS QDs can efficiently absorb the input illumination and 2D WSe2 supports a transport expressway for injected photocarriers. The hybrid phototransistors obtain a specific detectivity over 1013 Jones in both ON and OFF state in contrast to the depleted working state (OFF) for other reported QDs/2D phototransistors. The present device construction strategy, photogating enhanced performance, and robust device working conditions contain high potential for future optoelectronic devices.

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Hu C. et al. Synergistic Effect of Hybrid PbS Quantum Dots/2D-WSe2Toward High Performance and Broadband Phototransistors // Advanced Functional Materials. 2016. Vol. 27. No. 2. p. 1603605.
GOST all authors (up to 50) Copy
Hu C., Dong D., Yang X., Qiao K., Yang D., Deng H., Yuan S., Khan J., Yang L., Song H., Tang J. H. Synergistic Effect of Hybrid PbS Quantum Dots/2D-WSe2Toward High Performance and Broadband Phototransistors // Advanced Functional Materials. 2016. Vol. 27. No. 2. p. 1603605.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1002/adfm.201603605
UR - https://doi.org/10.1002/adfm.201603605
TI - Synergistic Effect of Hybrid PbS Quantum Dots/2D-WSe2Toward High Performance and Broadband Phototransistors
T2 - Advanced Functional Materials
AU - Dong, Dongdong
AU - Yang, Xiaokun
AU - Qiao, Keke
AU - Yang, Dun
AU - Deng, Hui
AU - Yuan, Shengjie
AU - Khan, Jahangeer
AU - Yang, Lan
AU - Hu, Chao
AU - Song, Haisheng
AU - Tang, Jiang Hong
PY - 2016
DA - 2016/11/16 00:00:00
PB - Wiley
SP - 1603605
IS - 2
VL - 27
SN - 1616-301X
SN - 1616-3028
ER -
BibTex |
Cite this
BibTex Copy
@article{2016_Hu,
author = {Dongdong Dong and Xiaokun Yang and Keke Qiao and Dun Yang and Hui Deng and Shengjie Yuan and Jahangeer Khan and Lan Yang and Chao Hu and Haisheng Song and Jiang Hong Tang},
title = {Synergistic Effect of Hybrid PbS Quantum Dots/2D-WSe2Toward High Performance and Broadband Phototransistors},
journal = {Advanced Functional Materials},
year = {2016},
volume = {27},
publisher = {Wiley},
month = {nov},
url = {https://doi.org/10.1002/adfm.201603605},
number = {2},
pages = {1603605},
doi = {10.1002/adfm.201603605}
}
MLA
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MLA Copy
Hu, Chao, et al. “Synergistic Effect of Hybrid PbS Quantum Dots/2D-WSe2Toward High Performance and Broadband Phototransistors.” Advanced Functional Materials, vol. 27, no. 2, Nov. 2016, p. 1603605. https://doi.org/10.1002/adfm.201603605.
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