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Transition Metal Doped Quantum Dots for Photovoltaic Applications
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Open-NJ Link:
https://digitallibrary.oswego.edu/SUOS000843/00001
Material Information
Title:
Transition Metal Doped Quantum Dots for Photovoltaic Applications
Creator:
Trieu Le
Thilini K. Ekanayaka
Annika Neufeld-Kreider
Archit Dhingra
Takashi Komesu
Andrew J. Yost
Carolina C. Ilie
Publisher:
SUNY Oswego
Publication Date:
2020
Subjects
Subjects / Keywords:
quantum dot
semiconductor
solar cell
Notes
Abstract:
In recent years, semiconductor zinc sulfide (ZnS) quantum dots have been considerably studied for various applications such as light-emitting diodes, flat panel display, UV sensor, and solar cell application. We discuss herein the optical and transport properties of the transition metal doped quantum dots and optimize them for better photovoltaics. Zinc sulfide has excellent optical and electronic performances due to its wide bandgap. In addition, cobalt-nickel doped zinc sulfide brings a versatility of the band gap energy. This is corresponding to an enhancement in the photo-to-current efficiency of doped quantum dots in sensitized solar cell. In this study, we explore how the different dopants lead changes in the bandgap and discuss the characteristic of these doped quantum dots. The absorption data shows that cobalt-nickel doped ZnS has the highest absorbance the visible range out of all the single and co-doped and tri-doped quantum dots which made it the best candidate for optoelectronic device fabrication.
Acquisition:
Collected for SUNY Oswego Institutional Repository by the online self-submittal tool. Submitted by Trieu Le.
General Note:
Based on work for Summer REU 2019 at University of Nebraska-Lincoln
Record Information
Source Institution:
SUNY Oswego
Holding Location:
SUNY Oswego Institution
Rights Management:
All applicable rights reserved by the source institution and holding location.
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