articleNature CommunicationsJun 5, 2024GOLD OA

Ultrafast electron transfer at the In2O3/Nb2O5 S-scheme interface for CO2 photoreduction

XDXianyu DengJZJianjun ZhangKQKezhen QiGLGuijie LiangFXFeiyan Xu

China University of Geosciences · Dali University · +1 more institution

PubMed
Indexed incrossrefdoajpubmed

Abstract

Abstract Constructing S-scheme heterojunctions proves proficient in achieving the spatial separation of potent photogenerated charge carriers for their participation in photoreactions. Nonetheless, the restricted contact areas between two phases within S-scheme heterostructures lead to inefficient interfacial charge transport, resulting in low photocatalytic efficiency from a kinetic perspective. Here, In 2 O 3 /Nb 2 O 5 S-scheme heterojunctions are fabricated through a straightforward one-step electrospinning technique, enabling intimate contact between the two phases and thereby fostering ultrafast interfacial electron transfer (<10 ps), as analyzed via femtosecond transient absorption spectroscopy. As a…

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Topics & keywords

Topics
Keywords
  • Heterojunction
  • Ultrafast laser spectroscopy
  • Materials science
  • Photocatalysis
  • Charge carrier
  • Electron
  • Femtosecond
  • Electron transfer
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