DOI: 10.1002/anie.201502077. Controlling the Selectivity of the Surface Plasmon Resonance Mediated Oxidation of <i>p</i>‐Aminothiophenol on Au Nanoparticles by Charge Transfer from UV‐excited TiO<sub>2</sub>

Controlling the Selectivity of the Surface Plasmon Resonance Mediated Oxidation of p‐Aminothiophenol on Au Nanoparticles by Charge Transfer from UV‐excited TiO2

10.1002/anie.201502077

Crossref journal-article

Wiley

Angewandte Chemie International Edition (311)

Abstract

AbstractAlthough catalytic processes mediated by surface plasmon resonance (SPR) excitation have emerged as a new frontier in catalysis, the selectivity of these processes remains poorly understood. Here, the selectivity of the SPR‐mediated oxidation of p‐aminothiophenol (PATP) employing Au NPs as catalysts was controlled by the choice of catalysts (Au or TiO2‐Au NPs) and by the modulation of the charge transfer from UV‐excited TiO2 to Au. When Au NPs were employed as catalyst, the SPR‐mediated oxidation of PATP yielded p,p‐dimercaptobenzene (DMAB). When TiO2‐Au NPs were employed as catalysts under both UV illumination and SPR excitation, p‐nitrophenol (PNTP) was formed from PATP in a single step. Interestingly, PNTP molecules were further reduced to DMAB after the UV illumination was removed. Our data show that control over charge‐transfer processes may play an important role to tune activity, product formation, and selectivity in SPR‐mediated catalytic processes.

Bibliography

Wang, J., Ando, R. A., & Camargo, P. H. C. (2015). Controlling the Selectivity of the Surface Plasmon Resonance Mediated Oxidation of pâAminothiophenol on Au Nanoparticles by Charge Transfer from UVâexcited TiO2. Angewandte Chemie International Edition, 54(23), 6909â6912. Portico.

Authors 3

Jiale Wang (first)
Romulo A. Ando (additional)
Pedro H. C. Camargo (additional)

References 29 Referenced 112

Dates

Type	When
Created	10 years, 4 months ago (April 17, 2015, 6:31 p.m.)
Deposited	1 year, 10 months ago (Oct. 16, 2023, 12:45 p.m.)
Indexed	2 days, 13 hours ago (Sept. 3, 2025, 5:51 a.m.)
Issued	10 years, 4 months ago (April 17, 2015)
Published	10 years, 4 months ago (April 17, 2015)
Published Online	10 years, 4 months ago (April 17, 2015)
Published Print	10 years, 3 months ago (June 1, 2015)

Funders 0

None

BibTeX

@article{Wang_2015, title={Controlling the Selectivity of the Surface Plasmon Resonance Mediated Oxidation of p‐Aminothiophenol on Au Nanoparticles by Charge Transfer from UV‐excited TiO2}, volume={54}, ISSN={1521-3773}, url={http://dx.doi.org/10.1002/anie.201502077}, DOI={10.1002/anie.201502077}, number={23}, journal={Angewandte Chemie International Edition}, publisher={Wiley}, author={Wang, Jiale and Ando, Romulo A. and Camargo, Pedro H. C.}, year={2015}, month=apr, pages={6909–6912} }

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