Forthcoming Events

29.11.2017 - 01.12.2017, European XFEL, Schenefeld / CFEL, Hamburg
30.11.2017 - 01.12.2017, European XFEL, Schenefeld, Germany
05.12.2017 - 07.12.2017, Adriatico Guesthouse in Grignano, Trieste

News

The world's shortest laser pulse- pulse duration of 43 attoseconds (Hans Jakob Wörner)
Sicherer durchs Gewitter fliegen- flying safely through lightning (Jean Pierre Wolf)
Successful Gender and Science Meeting 2017- 80 participants, lively discussions, and inspiring talks, news item on D-PHYS
ERC Starting Grant for Ulrich LorenzVisualizing the Conformational Dynamics of Proteins ...
Ambizione awards for three current and former MUST researchers- Axel Schild, Arianna Marchioro and Dmitry Momotenko
OSA - Women of Light: A Special Program for Women in Optics, with Ursula Keller
Gender and Science Meeting 2017- news item on D-PHYS website
STC2017 - Big data in chemistry - Basel- Deadline for registration August 1
Führen in Hochschulen- new book by Springer, including an interview with Ursula Keller by Andrea Eichholzer

Deep-UV probing method detects electron transfer in photovoltaics

solar
EPFL scientists have developed a new method to efficiently measure electron transfer in dye-sensitized transition-metal oxide photovoltaics.

Sensitized solar cells consisting of a molecular or solid-state sensitizer that serves to collect light and inject an electron into a substrate that favors their migration are among the most studied photovoltaic systems at present. Despite its importance in determining the potential of a photovoltaic device, current methods for monitoring the interfacial electron transfer remain ambiguous. Now, using deep-ultraviolet continuum pulses, EPFL scientists have developed a substrate-specific method to detect electron transfer. The work is published in the Journal of the American Chemical Society.

Baldini, E., T. Palmieri, T. Rossi, M. Oppermann, E. Pomarico, G. Auböck and M. Chergui (2017). Interfacial Electron Injection Probed by a Substrate-Specific Excitonic Signature. J. Am. Chem. Soc. (10.1021/jacs.7b06322)


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