A heavy metal-free CuInS2 quantum dot sensitized NiO photocathode with a Re molecular catalyst for photoelectrochemical CO2 reduction

Jing Huang, Bo Xu, Lei Tian, Palas Baran Pati, Ahmed S. Etman, Junliang Sun, Leif Hammarström, Haining Tian

Research output: Contribution to journalArticle

Abstract

Heavy metal-free CuInS2 quantum dots (QDs) were employed as a photosensitizer on a NiO photocathode to drive an immobilized molecular Re catalyst for photoelectrochemical CO2 reduction for the first time. A photocurrent of 25 μA cm-2 at -0.87 V vs. NHE was obtained, providing a faradaic efficiency of 32% for CO production.

Original languageEnglish
Pages (from-to)7918-7921
Number of pages4
JournalChemical Communications
Volume55
Issue number55
DOIs
Publication statusPublished - Jan 1 2019

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Photocathodes
Photosensitizing Agents
Photosensitizers
Carbon Monoxide
Heavy Metals
Photocurrents
Semiconductor quantum dots
Heavy metals
Catalysts

ASJC Scopus subject areas

  • Catalysis
  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Chemistry(all)
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

Cite this

A heavy metal-free CuInS2 quantum dot sensitized NiO photocathode with a Re molecular catalyst for photoelectrochemical CO2 reduction. / Huang, Jing; Xu, Bo; Tian, Lei; Pati, Palas Baran; Etman, Ahmed S.; Sun, Junliang; Hammarström, Leif; Tian, Haining.

In: Chemical Communications, Vol. 55, No. 55, 01.01.2019, p. 7918-7921.

Research output: Contribution to journalArticle

Huang, Jing ; Xu, Bo ; Tian, Lei ; Pati, Palas Baran ; Etman, Ahmed S. ; Sun, Junliang ; Hammarström, Leif ; Tian, Haining. / A heavy metal-free CuInS2 quantum dot sensitized NiO photocathode with a Re molecular catalyst for photoelectrochemical CO2 reduction. In: Chemical Communications. 2019 ; Vol. 55, No. 55. pp. 7918-7921.
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