期刊
JOURNAL OF CHEMICAL PHYSICS
卷 149, 期 14, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.5043379
关键词
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资金
- Carl-Zeiss-Stiftung
- DFG
- DFG collaborative research center SFB 951
We present a combined experimental and theoretical study to solve the unit-cell and molecular arrangement of the tetracene thin film (TF) phase. TF phases, also known as substrate induced phases (SIPs), are polymorphs that exist at interfaces and decisively impact the functionality of organic thin films, e.g., in a transistor channel, but also change the optical spectra due to the different molecular packing. As SIPs only exist in textured ultrathin films, their structure determination remains challenging compared to bulk materials. Here, we use grazing incidence X-ray diffraction and atomistic simulations to extract the TF unit-cell parameters of tetracene together with the atomic positions within the unit-cell. Published by AIP Publishing.
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