首页|Aromatic-ring dependence of interfacial charge-transfer transitions between TiO2 nanoparticles and aromatic carboxylic acids

Aromatic-ring dependence of interfacial charge-transfer transitions between TiO2 nanoparticles and aromatic carboxylic acids

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  • NSTL
  • Elsevier
Interfacial charge-transfer transitions (ICTTs) between organic compounds and inorganic semiconductors enable the absorption of visible light with colourless organic molecules and direct charge separation for their potential applications in photoenergy conversions and chemical sensing. TiO2 nanocomplexes with aromatic carboxylic acids are one of the most important ICTT systems for photoenergy conversions. Here, we report the aromatic-ring dependence of ICTT in TiO2 nanocomplexes with benzoic acid, naphthalene-2-carboxylic acid, and anthrancene2-carboxylic acid. Our research reveals the significant red-shift of ICTT by expanding the pi-conjugated system from the benzene to anthracene ring and elucidates the mechanism.

Interfacial charge-transfer transitionTiO2Aromatic carboxylic acidAromatic-ring dependenceSELECTIVE AEROBIC OXIDATIONVISIBLE-LIGHTSURFACE COMPLEXATIONINJECTIONPHOTOCATALYSISSEMICONDUCTORSADSORPTIONCONVERSIONSTRATEGYHYBRIDS

Fujisawa, Jun-ichi、Kato, Shunsuke、Hanaya, Minoru

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Gunma Univ

2022

10.1016/j.cplett.2021.139274

Chemical Physics Letters

Chemical Physics Letters

EISCI
ISSN：0009-2614
年,卷(期)：2022.788
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