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Study on photoinduced charge transfer between Citrus Limon capped CdS quantum dots with natural dyes
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Nahak, B. K., Roshan, R., Jhariya, N., Bolloju, Satish, Pandit, Bidhan, Mahato, S. S. and Mahata, S. (2023) Study on photoinduced charge transfer between Citrus Limon capped CdS quantum dots with natural dyes. Surfaces and Interfaces, 42 (Part A). 103351. doi:10.1016/j.surfin.2023.103351 ISSN 2468-0230.
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Official URL: https://doi.org/10.1016/j.surfin.2023.103351
Abstract
The development of highly efficient Quantum dots-based Dye Sensitized Solar Cells (DSSCs) capable of absorbing a broader spectrum of solar light has garnered significant interest. In these systems, the proper selection of sensitizers plays a crucial role. Consequently, the exploration of highly efficient, cost effective and non-toxic sensitizer options has led to a growing focus on natural dyes. In this study, we investigated the credibility of natural dyes Beta Vulgaris, Ixora coccinea and Butea monosperma were explored as potential sensitizer in a Cadmium Sulphide (CdS) quantum dots-based system. Moreover, the effect of Citrus Limon Extract (CLE) as a capping agent through X-ray Photoelectron Spectroscopy (XPS) and Electron Paramagnetic Resonance (EPR) analyses. A Density Functional Theory (DFT) model was also presented to explore the charge accumulation on CdS surface due capping action. Quenching mechanism of CLE-CdS with different dyes under various irradiation conditions was studied and their mechanism were defined. Lastly, our finding demonstrates the effect of H-aggerated dye on CLE-CdS, indicating its potential in increasing solar light absorption.
Item Type: | Journal Article | ||||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||||
SWORD Depositor: | Library Publications Router | ||||||||
Journal or Publication Title: | Surfaces and Interfaces | ||||||||
Publisher: | Elsevier | ||||||||
ISSN: | 2468-0230 | ||||||||
Official Date: | November 2023 | ||||||||
Dates: |
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Volume: | 42 | ||||||||
Number: | Part A | ||||||||
Article Number: | 103351 | ||||||||
DOI: | 10.1016/j.surfin.2023.103351 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Open Access (Creative Commons) |
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