Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 54, Issue 39, Pages 11462-11466Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201505985
Keywords
heterogeneous catalysis; photoelectrocatalysis; photothermal; surface plasmon resonance; surface-enhanced raman scattering
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Funding
- Natural Science Foundations of China [21405182, 21476271, 21461162003, 21403306]
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The surface plasmon resonance (SPR) induced photothermal and photoelectrocatalysis effects are crucial for catalytic reactions in many areas. However, it is still difficult to distinguish these two effects quantitatively. Here we used surface-enhanced Raman scattering (SERS) to detect the photothermal and photoelectrocatalytic effects induced by SPR from Au core Pt shell Nanoparticles (Au@Pt NPs), and calculated the quantitative contribution of the ratio of the photothermal and photoelectrocatalysis effects towards the catalytic activity. The photothermal effect on the nanoparticle surface after illumination is detected by SERS. The photoelectrocatalytic effect generated from SPR is proved by SERS with a probe molecule of p-aminothiophenol (PATP).
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