articleAnalytical ChemistryMar 14, 2024Closed access

Excited-State Intramolecular Proton Transfer-Driven Photon-Gating for Photoelectrochemical Sensing of CO-Releasing Molecule-3

YGYuan GaoJTJuan TangQZQian ZhouZYZhichao YuDWDi Wu

Fuzhou University · Jiangxi Normal University · +1 more institution

PubMed
Indexed incrossrefpubmed

Abstract

Different from prevalent approaches such as immunological recognition, complementary base pairing, or enzymatic regulation in current photoelectrochemical (PEC) sensing, this study reported an excited-state intramolecular proton transfer (ESIPT)-driven photon-gating PEC sensor. The sensor is developed for the detection of CO-releasing molecule-3 (CORM-3) by modifying an ESIPT-switched organic fluorescent probe molecule (NDAA) onto the surface of a p-type semiconductor (BiOI). The NDAA can be excited and exhibit strong green fluorescence after responding with CORM-3, resulting in an electrode-interface photon competitive absorption effect due to the switch on ESIPT and considerably reducing the photocurrent…

Citation impact

145
total citations
FWCI
30.49
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100%
References
41
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Authors

6

Topics & keywords

Topics
Keywords
  • Chemistry
  • Photocurrent
  • Fluorescence
  • Excited state
  • Molecule
  • Photochemistry
  • Intramolecular force
  • Gating
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