BELOVA, Valentina, Alexander HINDERHOFER, Clemens ZEISER, Timo STORZER, Jakub ROZBOŘIL, Jan HAGENLOCHER, Jiří NOVÁK, Alexander GERLACH, Reinhard SCHOLZ and Frank SCHREIBER. Structure-Dependent Charge Transfer in Molecular Perylene-Based Donor/Acceptor Systems and Role of Side Chains. Journal of Physical Chemistry C. Washington D.C.: American Chemical Society, 2020, vol. 124, No 21, p. 11639-11651. ISSN 1932-7447. Available from: https://dx.doi.org/10.1021/acs.jpcc.0c00230.
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Basic information
Original name Structure-Dependent Charge Transfer in Molecular Perylene-Based Donor/Acceptor Systems and Role of Side Chains
Authors BELOVA, Valentina, Alexander HINDERHOFER, Clemens ZEISER, Timo STORZER, Jakub ROZBOŘIL (203 Czech Republic, belonging to the institution), Jan HAGENLOCHER, Jiří NOVÁK (203 Czech Republic, belonging to the institution), Alexander GERLACH, Reinhard SCHOLZ and Frank SCHREIBER.
Edition Journal of Physical Chemistry C, Washington D.C. American Chemical Society, 2020, 1932-7447.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 10302 Condensed matter physics
Country of publisher United States of America
Confidentiality degree is not subject to a state or trade secret
WWW URL
Impact factor Impact factor: 4.126
RIV identification code RIV/00216224:14310/20:00117387
Organization unit Faculty of Science
Doi http://dx.doi.org/10.1021/acs.jpcc.0c00230
UT WoS 000592366200001
Keywords in English Mixtures; Thin films; Energy; Molecular interactions; Molecules
Tags rivok
Tags International impact, Reviewed
Changed by Changed by: Mgr. Marie Šípková, DiS., učo 437722. Changed: 18/2/2021 09:48.
Abstract
In organic electronics and optoelectronics several crucial physical processes are related to charge transfer (CT) effects. In this work, we investigate mixing behavior and intermolecular coupling of donor and acceptor molecules in thin films prepared by organic molecular beam deposition (OMBD). Diindenoperylene (DIP) and pentacene (PEN) are used as the donor materials, and perylene diimide derivatives PDIR-CN2 and PDIF-CN2 as the acceptor materials.. The formation of charge transfer complexes coupled in the electronic excited state vs. noninteracting phase separating components is studied by structural and optical techniques. The CT mechanism and properties are considered in close connection with the thin film microstructure of the D/A blends which can be controlled via a change of the molecule geometry and/or growth temperature. We discuss two key findings for our systems: (1) The CT intensity correlates directly with the possibility of cocrystallization between acceptor and donor. (2) Side chain modification to tune the ground state energy levels has nearly no effect on the energy of the excited state CT, whereas replacement of molecular core modifies the CT energy correspondingly.
Links
LQ1601, research and development projectName: CEITEC 2020 (Acronym: CEITEC2020)
Investor: Ministry of Education, Youth and Sports of the CR
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