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Proceedings Paper

The influence of surface hydration on the interfacial electron transfer dynamics from Rhodamine B into SnO2
Author(s): Robert C. Snoeberger III; Tianquan Lian; Victor S. Batista
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Paper 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.

Paper Details

Date Published: 20 August 2009
PDF: 7 pages
Proc. SPIE 7396, Physical Chemistry of Interfaces and Nanomaterials VIII, 739604 (20 August 2009); doi: 10.1117/12.829483
Show Author Affiliations
Robert C. Snoeberger III, Yale Univ. (United States)
Tianquan Lian, Emory Univ. (United States)
Victor S. Batista, Yale Univ. (United States)

Published in SPIE Proceedings Vol. 7396:
Physical Chemistry of Interfaces and Nanomaterials VIII
Oliver L. A. Monti; Oleg V. Prezhdo, Editor(s)

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