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Issue 10, 2020, Issue in Progress

A solid-state integrated photo-supercapacitor based on ZnO nanorod arrays decorated with Ag2S quantum dots as the photoanode and a PEDOT charge storage counter-electrode

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Abstract

A planar solid-state photocapacitor with two electrodes has been prepared for the first time using a passivated film of ZnS with Ag2S quantum dots deposited on ZnO nanorods, which were electrochemically grown on ZnO seed layers, as the photoanode. The supercapacitor part is composed of a electrodeposited poly(3,4-ethylene-dioxythiophene) PEDOT film as the counter-electrode and an ionic liquid-based electrolyte between them deposited by the dip coating method. The different nanostructures and electrodes were morphologically and structurally characterized, and the device was electrochemically characterized and could reach a potential of 0.33 V during photocharge and a storage efficiency of 6.83%.

Graphical abstract: A solid-state integrated photo-supercapacitor based on ZnO nanorod arrays decorated with Ag2S quantum dots as the photoanode and a PEDOT charge storage counter-electrode

Supplementary files

Article information


Submitted
17 Dec 2019
Accepted
08 Jan 2020
First published
06 Feb 2020

This article is Open Access

RSC Adv., 2020,10, 5712-5721
Article type
Paper

A solid-state integrated photo-supercapacitor based on ZnO nanorod arrays decorated with Ag2S quantum dots as the photoanode and a PEDOT charge storage counter-electrode

D. Solís-Cortés, E. Navarrete-Astorga, R. Schrebler, J. J. Peinado-Pérez, F. Martín, J. R. Ramos-Barrado and E. A. Dalchiele, RSC Adv., 2020, 10, 5712 DOI: 10.1039/C9RA10635A

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