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Interfacial rearrangements and strain evolution in the thin film growth of ZnPc on glass
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Derrien, Thomas L., Lauritzen, Andreas E., Kaienburg, Pascal, Hancox, Ellis, Nicklin, Chris and Riede, Moritz (2022) Interfacial rearrangements and strain evolution in the thin film growth of ZnPc on glass. Physical Review Materials, 6 (3). 033401. doi:10.1103/PhysRevMaterials.6.033401 ISSN 2475-9953.
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Official URL: https://doi.org/10.1103/PhysRevMaterials.6.033401
Abstract
We report on the characterization of the growth of vacuum-deposited zinc phthalocyanine (ZnPc) thin films on glass through a combination of in situ grazing incidence x-ray scattering, x-ray reflectivity, and atomic force microscopy. We found that the growth at room temperature proceeds via the formation of two structurally unique substrate-induced interfacial layers, followed by the growth of the γ-ZnPc polymorph thereafter (thickness ≈1.0 nm). As the growth of the bulk γ-ZnPc progresses, a substantial out-of-plane lattice strain (≈15% relative to γ-ZnPc powder) is continually relaxed during the thin film growth. The rate of strain relaxation was slowed after a thickness of ≈13 nm, corresponding to the transition from layer growth to island growth. The findings reveal the real-time microstructural evolution of ZnPc and highlight the importance of substrate-induced strain on thin film growth.
Item Type: | Journal Article | ||||||||||||||||||
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Subjects: | Q Science > QD Chemistry | ||||||||||||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry | ||||||||||||||||||
Library of Congress Subject Headings (LCSH): | Crystal growth, Thin films, Zinc phthalocyanine , Organic field-effect transistors | ||||||||||||||||||
Journal or Publication Title: | Physical Review Materials | ||||||||||||||||||
Publisher: | American Physical Society | ||||||||||||||||||
ISSN: | 2475-9953 | ||||||||||||||||||
Official Date: | 8 March 2022 | ||||||||||||||||||
Dates: |
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Volume: | 6 | ||||||||||||||||||
Number: | 3 | ||||||||||||||||||
Article Number: | 033401 | ||||||||||||||||||
DOI: | 10.1103/PhysRevMaterials.6.033401 | ||||||||||||||||||
Status: | Peer Reviewed | ||||||||||||||||||
Publication Status: | Published | ||||||||||||||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||||||||||||||
Date of first compliant deposit: | 26 April 2022 | ||||||||||||||||||
Date of first compliant Open Access: | 27 April 2022 | ||||||||||||||||||
RIOXX Funder/Project Grant: |
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