Thin-Film Organic Heteroepitaxy

Jordan T. Dull; Xu He; Jonathan Viereck; Qianxiang Ai; Ritika Ramprasad; Maria Clara Otani; Jeni Sorli; Jason W. Brandt; Brad P. Carrow; Arthur D. Tinoco; Yueh Lin Loo; Chad Risko; Sylvie Rangan; Antoine Kahn; Barry P. Rand

doi:10.1002/adma.202302871

Thin-Film Organic Heteroepitaxy

Jordan T. Dull, Xu He, Jonathan Viereck, Qianxiang Ai, Ritika Ramprasad, Maria Clara Otani, Jeni Sorli, Jason W. Brandt, Brad P. Carrow, Arthur D. Tinoco, Yueh Lin Loo, Chad Risko, Sylvie Rangan, Antoine Kahn, Barry P. Rand

Producción científica: Article › revisión exhaustiva

9 Citas (Scopus)

Resumen

Incorporating crystalline organic semiconductors into electronic devices requires understanding of heteroepitaxy given the ubiquity of heterojunctions in these devices. However, while rules for commensurate epitaxy of covalent or ionic inorganic material systems are known to be dictated by lattice matching constraints, rules for heteroepitaxy of molecular systems are still being written. Here, it is found that lattice matching alone is insufficient to achieve heteroepitaxy in molecular systems, owing to weak intermolecular forces that describe molecular crystals. It is found that, in addition, the lattice matched plane also must be the lowest energy surface of the adcrystal to achieve one-to-one commensurate molecular heteroepitaxy over a large area. Ultraviolet photoelectron spectroscopy demonstrates the lattice matched interface to be of higher electronic quality than a disordered interface of the same materials.

Idioma original	English
Número de artículo	2302871
Publicación	Advanced Materials
Volumen	35
N.º	35
DOI	https://doi.org/10.1002/adma.202302871
Estado	Published - sept 1 2023

Nota bibliográfica

Publisher Copyright:
© 2023 The Authors. Advanced Materials published by Wiley-VCH GmbH.

Financiación

The authors thank Yejoon Seo for his help with the differential scanning calorimetry measurement and Enrique Gomeztez, Nan Yao, and Guangming Cheng for helpful discussions. This work was supported in part by the U.S. Department of Energy, Office of Basic Energy Sciences under Award No. DE‐SC0012458. The authors also acknowledge support from the Princeton SEAS Project X fund. C.R. and Q.A. acknowledge support from the National Science Foundation through the Designing Materials to Revolutionize and Engineer our Future (NSF DMREF) program under award number DMR‐1627428, and the University of Kentucky Center for Computational Sciences and Information Technology Services Research Computing for access to the Lipscomb Compute Cluster and associated research computing resources. Q.A. also acknowledges support from the University of Kentucky College of Arts and Sciences through the Outstanding Graduate Student Research Award. J.V. and S.R. acknowledge the National Science Foundation under Award No. CHE‐1904648 as well as the Laboratory for Surface Modification Facilities at Rutgers.

Financiadores	Número del financiador
University of Kentucky Medical Center
University of Kentucky Graduate School, College of Arts and Sciences	CHE‐1904648
National Science Foundation (NSF)	DMR‐1627428
Michigan State University-U.S. Department of Energy (MSU-DOE) Plant Research Laboratory
Office of Basic Energy Sciences	DE‐SC0012458
School of Engineering and Applied Science, University of Pennsylvania

ASJC Scopus subject areas

General Materials Science
Mechanics of Materials
Mechanical Engineering

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abstract = "Incorporating crystalline organic semiconductors into electronic devices requires understanding of heteroepitaxy given the ubiquity of heterojunctions in these devices. However, while rules for commensurate epitaxy of covalent or ionic inorganic material systems are known to be dictated by lattice matching constraints, rules for heteroepitaxy of molecular systems are still being written. Here, it is found that lattice matching alone is insufficient to achieve heteroepitaxy in molecular systems, owing to weak intermolecular forces that describe molecular crystals. It is found that, in addition, the lattice matched plane also must be the lowest energy surface of the adcrystal to achieve one-to-one commensurate molecular heteroepitaxy over a large area. Ultraviolet photoelectron spectroscopy demonstrates the lattice matched interface to be of higher electronic quality than a disordered interface of the same materials.",

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AU - Viereck, Jonathan

AU - Ai, Qianxiang

AU - Ramprasad, Ritika

AU - Otani, Maria Clara

AU - Sorli, Jeni

AU - Brandt, Jason W.

AU - Carrow, Brad P.

AU - Tinoco, Arthur D.

AU - Loo, Yueh Lin

AU - Risko, Chad

AU - Rangan, Sylvie

AU - Kahn, Antoine

AU - Rand, Barry P.

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AB - Incorporating crystalline organic semiconductors into electronic devices requires understanding of heteroepitaxy given the ubiquity of heterojunctions in these devices. However, while rules for commensurate epitaxy of covalent or ionic inorganic material systems are known to be dictated by lattice matching constraints, rules for heteroepitaxy of molecular systems are still being written. Here, it is found that lattice matching alone is insufficient to achieve heteroepitaxy in molecular systems, owing to weak intermolecular forces that describe molecular crystals. It is found that, in addition, the lattice matched plane also must be the lowest energy surface of the adcrystal to achieve one-to-one commensurate molecular heteroepitaxy over a large area. Ultraviolet photoelectron spectroscopy demonstrates the lattice matched interface to be of higher electronic quality than a disordered interface of the same materials.

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KW - small molecules

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Thin-Film Organic Heteroepitaxy

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