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Exploring Charge Transport in Guest Molecule Infiltrated Cu<sub>3</sub>(BTC)<sub>2</sub> Metal Organic Framework [electronic resource].

Published
Washington, D.C. : United States. National Nuclear Security Administration, 2014.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy
Physical Description
7 pages : digital, PDF file
Additional Creators
Sandia National Laboratories, United States. National Nuclear Security Administration, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
The goal of this Exploratory Express project was to expand the understanding of the physical properties of our recently discovered class of materials consisting of metal-organic frameworks with electroactive ‘guest’ molecules that together form an electrically conducting charge-transfer complex (molecule@MOF). Thin films of Cu3(BTC)2 were grown on fused silica using solution step-by-step growth and were infiltrated with the molecule tetracyanoquinodimethane (TCNQ). The infiltrated MOF films were extensively characterized using optical microscopy, scanning electron microscopy, Raman spectroscopy, electrical conductivity, and thermoelectric properties. Thermopower measurements on TCNQ@Cu3(BTC)2 revealed a positive Seebeck coefficient of ~400 μV/k, indicating that holes are the primary carriers in this material. The high value of the Seebeck coefficient and the expected low thermal conductivity suggest that molecule@MOF materials may be attractive for thermoelectric power conversion applications requiring low cost, solution-processable, and non-toxic active materials.
Report Numbers
E 1.99:sand2014--18124r
sand2014--18124r
Subject(s)
Note
Published through SciTech Connect.
09/01/2014.
"sand2014--18124r"
"537748"
Francois Leonard Leonard; Vitalie Stavila; Mark D. Allendorf.
Funding Information
AC04-94AL85000
View MARC record | catkey: 24045630