2020
DOI: 10.1002/anie.202007706
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The Polarization Effect in Surface‐Plasmon‐Induced Photocatalysis on Au/TiO2 Nanoparticles

Abstract: Controlling the interaction of polarization light with an asymmetric nanostructure such as a metal/semiconductor heterostructure provides opportunities for tuning surface plasmon excitation and near‐field spatial distribution. However, light polarization effects on interfacial charge transport and the photocatalysis of plasmonic metal/semiconductor photocatalysts are unclear. Herein, we reveal the polarization dependence of plasmonic charge separation and spatial distribution in Au/TiO2 nanoparticles under 45°… Show more

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Cited by 91 publications
(53 citation statements)
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“…Apart from this, the WPP excitation under TM polarization also provides a component of the electric field vector perpendicular to the Au/TiO 2 interface which, being the exact active catalysis site, leads to the more enhanced catalytic activity. [ 49 ]…”
Section: Resultsmentioning
confidence: 99%
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“…Apart from this, the WPP excitation under TM polarization also provides a component of the electric field vector perpendicular to the Au/TiO 2 interface which, being the exact active catalysis site, leads to the more enhanced catalytic activity. [ 49 ]…”
Section: Resultsmentioning
confidence: 99%
“…[ 46–48 ] To broaden the applicability, the modes supporting WPP are excited to qualitatively understand the charge transfer capabilities of the well‐known Au/TiO 2 heterojunction toward hot carrier injection. [ 49–51 ] Further, the enhanced light absorption due to WPP is utilized to harness light energy into chemical potential energy. Huang et al recently proved that hybridized WPP modes can enhance hot electron generation, finally resulting in greatly accelerated reduction conversion at a low illumination intensity.…”
Section: Introductionmentioning
confidence: 99%
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“…Titanium oxide (TiO x ) materials have attracted considerable interest in many fields of research, including the fields of photovoltaic and photocatalysis [18][19][20][21]. In particular, the photocatalysis of a TiO x semiconductor has been actively studied and applied in environmental decontamination, such as air purification, water disinfection, hazardous waste remediation, and water purification, because of its biological and chemical inertness, AlO(OH) is one of the main hydroxide layers synthesized through this process.…”
Section: Introductionmentioning
confidence: 99%