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Hsu, Shu-Han. Plasmon enhancement of photodetectors based on CsPbBr3 quantum dots. (). King Mongkut's University of Technology North Bangkok. Central Library. : , 2024.
Plasmon enhancement of photodetectors based on CsPbBr3 quantum dots
Name: Htay, Zar Ni Thein
Organization :
Thammasat University. Sirindhorn International Institute of Technology
Name: Chaturika Madhuwanthi
Organization :
Thammasat University. Sirindhorn International Institute of Technology
Name: Sakoolkan Boonruang
Organization :
Thammasat University. Sirindhorn International Institute of Technology
Name: Hsu, Shu-Han
Organization :
Thammasat University. Sirindhorn International Institute of Technology
Email :
shuhanhsu@siit.tu.ac.th
keyword:
Cesium lead bromide
LCSH:
Optical detectors
;
CsPbBr3
LCSH:
Plasmonics
LCSH:
Quantum dots
Abstract:
Inorganic perovskite quantum dots (CsPbBr3) show great potential for optical sensing applications
that have excellent optic properties such as high carrier mobility, long carrier diffusion length, and excellent
visible light absorption. The absorption spectrum well overlaps with localized surface plasma resonance
(LSPR) of noble Au nanocrystals (Au NCs). Currently, the state-of-the-art photocurrent of CsPbBr3 is within
the nanoampere range, limiting further practical application. Therefore, we would like to enhance the
photocurrent of CsPbBr3 quantum dots and improve the device's stability. With the nature of energy level
alignment between Au nanoparticle and CsPbBr3 quantum dots significant photocurrent enhancement was
demonstrated. In this study, CsPbBr3 perovskite quantum dots have been synthesized and used to fabricate the
photodetector onto the gold finger electrode. Under laser excitement with wavelength at 520 nm, it has been
observed that CsPbBr3 quantum dots alone could obtain the photocurrent to 100 nA. By introducing Au
Nanoparticles, the net photocurrent has been increased nearly 1μA. Therefore, it could be said that Au
nanoparticles can assist the photocurrent generation of CsPbBr3 quantum dot more sufficiently with better
stability. This allows the further device system integration of such CsPbBr3 quantum dots with Au
nanoparticles
King Mongkut's University of Technology North Bangkok. Central Library
Address:
BANGKOK
Email:
library@kmutnb.ac.th
Created:
2024
Modified:
2024-12-03
Issued:
2024-12-03
บทความ/Article
application/pdf
BibliograpyCitation :
In Kasetsart University. Faculty of Science. The Pure and Applied Chemistry International Conference 2024 (PACCON 2024) (pp.632-637). Bangkok : Kasetsart University, 2024
eng
©copyrights King Mongkut's University of Technology North Bangkok
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0.038593 วินาที
Htay, Zar Ni Thein
| Title | Contributor | Type |
|---|---|---|
| Plasmon enhancement of photodetectors based on CsPbBr3 quantum dots
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ Htay, Zar Ni Thein;Chaturika Madhuwanthi;Sakoolkan Boonruang;Hsu, Shu-Han | บทความ/Article |
Chaturika Madhuwanthi
| Title | Contributor | Type |
|---|---|---|
| Plasmon enhancement of photodetectors based on CsPbBr3 quantum dots
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ Htay, Zar Ni Thein;Chaturika Madhuwanthi;Sakoolkan Boonruang;Hsu, Shu-Han | บทความ/Article |
Sakoolkan Boonruang
| Title | Contributor | Type |
|---|---|---|
| Plasmon enhancement of photodetectors based on CsPbBr3 quantum dots
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ Htay, Zar Ni Thein;Chaturika Madhuwanthi;Sakoolkan Boonruang;Hsu, Shu-Han | บทความ/Article |
Hsu, Shu-Han
| Title | Contributor | Type |
|---|---|---|
| Plasmon enhancement of photodetectors based on CsPbBr3 quantum dots
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ Htay, Zar Ni Thein;Chaturika Madhuwanthi;Sakoolkan Boonruang;Hsu, Shu-Han | บทความ/Article |