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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.

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%.

SUBMITTER: Solis-Cortes D

PROVIDER: S-EPMC9049565 | biostudies-literature | 2020 Feb

REPOSITORIES: biostudies-literature

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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.

Solís-Cortés D D Navarrete-Astorga E E Schrebler R R Peinado-Pérez J J JJ Martín F F Ramos-Barrado J R JR Dalchiele E A EA

RSC advances 20200206 10

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 nanostructu ...[more]

PMID: 35497434

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