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Nano Lett. 2016 Apr 13;16(4):2851-9. doi: 10.1021/acs.nanolett.6b00712. Epub 2016 Mar 22.

Chemically Driven Interfacial Coupling in Charge-Transfer Mediated Functional Superstructures.

Nano letters

Beibei Xu, Huashan Li, Haoqi Li, Andrew J Wilson, Lin Zhang, Ke Chen, Katherine A Willets, Fei Ren, Jeffrey C Grossman, Shenqiang Ren

Affiliations

  1. Department of Mechanical Engineering and Temple Materials Institute, Temple University , Philadelphia, Pennsylvania 19122, United States.
  2. Department of Materials Science and Engineering, Massachusetts Institute of Technology , Cambridge, Massachusetts 02139 United States.
  3. Department of Chemistry, Temple University , Philadelphia, Pennsylvania 19122, United States.
  4. Department of Physics and Temple Materials Institute, Temple University , Philadelphia, Pennsylvania 19122, United States.

PMID: 26999430 DOI: 10.1021/acs.nanolett.6b00712

Abstract

Organic charge-transfer superstructures are enabling new interfacial electronics, such as organic thermoelectrics, spin-charge converters, and solar cells. These carbon-based materials could also play an important role in spin-based electronics due to their exceptionally long spin lifetime. However, to explore these potentials a coherent design strategy to control interfacial charge-transfer interaction is indispensable. Here we report that the control of organic crystallization and interfacial electron coupling are keys to dictate external stimuli responsive behaviors in organic charge-transfer superstructures. The integrated experimental and computational study reveals the importance of chemically driven interfacial coupling in organic charge-transfer superstructures. Such degree of engineering opens up a new route to develop a new generation of functional charge-transfer materials, enabling important advance in all organic interfacial electronics.

Keywords: Nanoferroics; and multifuctionality; materials design; organic crystallization

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