The influence of surface hydration on the interfacial electron transfer dynamics from Rhodamine B into SnO2

Robert C. Snoeberger III; Tianquan Lian; Victor S. Batista

doi:10.1117/12.829483

20 August 2009 The influence of surface hydration on the interfacial electron transfer dynamics from Rhodamine B into SnO₂

Robert C. Snoeberger III, Tianquan Lian, Victor S. Batista

Author Affiliations +

Proceedings Volume 7396, Physical Chemistry of Interfaces and Nanomaterials VIII; 739604 (2009) https://doi.org/10.1117/12.829483
Event: SPIE NanoScience + Engineering, 2009, San Diego, California, United States

Abstract

The influence of surface hydration on the time-scales and mechanisms of interfacial electron transfer from rhodamine B into SnO₂ is investigated. We combine molecular dynamics simulations and quantum dynamics propagation of transient electronic excitations to analyze the regulatory role of water molecules affecting the adsorbate-semiconductor interactions and the underlying electronic couplings that determine the electron injection times. The reported results are essential to advance our understanding of interfacial electron transfer dynamics in dye sensitized semiconductor surfaces at the molecule level, including fundamental interactions that affect the efficiency of interfacial electronic processes in dye-sensitized solar cells as well as in a wide range of other technological applications.

Citation Download Citation

Robert C. Snoeberger III, Tianquan Lian, and Victor S. Batista "The influence of surface hydration on the interfacial electron transfer dynamics from Rhodamine B into SnO₂", Proc. SPIE 7396, Physical Chemistry of Interfaces and Nanomaterials VIII, 739604 (20 August 2009); https://doi.org/10.1117/12.829483

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