Coherent ultrafast charge transfer in an organic photovoltaic blend

Author:

Falke Sarah Maria12,Rozzi Carlo Andrea3,Brida Daniele45,Maiuri Margherita4,Amato Michele6,Sommer Ephraim12,De Sio Antonietta12,Rubio Angel78,Cerullo Giulio4,Molinari Elisa39,Lienau Christoph12

Affiliation:

1. Institut für Physik, Carl von Ossietzky Universität, 26129 Oldenburg, Germany.

2. Center of Interface Science, Carl von Ossietzky Universität, 26129 Oldenburg, Germany.

3. Istituto Nanoscienze–Consiglio Nazionale delle Ricerche (CNR), Centro S3, via Campi 213a, 41125 Modena, Italy.

4. Istituto di Fotonica e Nanotecnologie–CNR, Dipartimento di Fisica, Politecnico di Milano, 20133 Milano, Italy.

5. Department of Physics and Center for Applied Photonics, University of Konstanz, 78457 Konstanz, Germany.

6. Institut d'Électronique Fondamentale, UMR8622, CNRS, Universitè Paris-Sud, 91405 Orsay, France.

7. Nano-Bio Spectroscopy Group and European Theoretical Spectroscopy Facility Scientific Development Centre, Departamento Física de Materiales, Universidad del País Vasco (UPV), Centro de Física de Materiales Consejo Superior de Investigaciones Científicas–UPV/Euskal Herriko Unibertsitatea–Materials Physics Center and Donostia International Physics Center, Avenida Tolosa 72, 20018 San Sebastián, Spain.

8. Fritz-Haber-Institut der Max-Planck-Gesellschaft, 14195 Berlin, Germany.

9. Dipartimento di Scienze Fisiche, Informatiche e Matematiche, Università di Modena e Reggio Emilia, via Campi 213a, 41125 Modena, Italy.

Abstract

Pull, pull, pulling electrons along Organic photovoltaics operate by transferring charge from a light-absorbing donor material to a nearby acceptor. Falke et al. show that molecular vibrations smooth the way for this charge transfer to proceed. A combination of ultrafast spectroscopy and theoretical simulations revealed an oscillatory signal in a model donor/acceptor blend that implicates carbon-carbon bond stretching in concert with the electronic transition. This vibrational/electronic, or vibronic, process maintains a quantum-mechanical phase relationship that guides the charge more rapidly and directly than an incoherent migration from donor to acceptor. Science , this issue p. 1001

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Cited by 458 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

同舟云学术

1.学者识别学者识别

2.学术分析学术分析

3.人才评估人才评估

"同舟云学术"是以全球学者为主线,采集、加工和组织学术论文而形成的新型学术文献查询和分析系统,可以对全球学者进行文献检索和人才价值评估。用户可以通过关注某些学科领域的顶尖人物而持续追踪该领域的学科进展和研究前沿。经过近期的数据扩容,当前同舟云学术共收录了国内外主流学术期刊6万余种,收集的期刊论文及会议论文总量共计约1.5亿篇,并以每天添加12000余篇中外论文的速度递增。我们也可以为用户提供个性化、定制化的学者数据。欢迎来电咨询!咨询电话:010-8811{复制后删除}0370

www.globalauthorid.com

TOP

Copyright © 2019-2024 北京同舟云网络信息技术有限公司
京公网安备11010802033243号  京ICP备18003416号-3