Phase Transition of a Single Sheet of Sashlike Polydiacetylene Atomic Sash on a Solid Surface

The phase transition of sashlike polydiacetylene (PD) atomic sash in an extrathin (0.4 nm) vapor-deposited monolayer on a graphite (0001) surface has been observed by in-situ scanning tunneling microscopy (STM). The conformation of the atomic sash composed of a row of lying alkyl chains stitched up...

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Bibliographic Details
Published in:Journal of the American Chemical Society 2004-08, Vol.126 (32), p.9894-9895
Main Authors: Endo, Osamu, Ootsubo, Hiroaki, Toda, Naoya, Suhara, Masanori, Ozaki, Hiroyuki, Mazaki, Yasuhiro
Format: Article
Language:English
Subjects:
Condensed matter: structure, mechanical and thermal properties
Exact sciences and technology
Phase transitions and critical phenomena
Physics
Solid surfaces and solid-solid interfaces
Surfaces and interfaces
thin films and whiskers (structure and nonelectronic properties)
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Summary:The phase transition of sashlike polydiacetylene (PD) atomic sash in an extrathin (0.4 nm) vapor-deposited monolayer on a graphite (0001) surface has been observed by in-situ scanning tunneling microscopy (STM). The conformation of the atomic sash composed of a row of lying alkyl chains stitched up with a PD chain is different around the crossing points of the alkyl and PD chains in the two phases, and hence the contrast of the STM image is different in the middle of the sashes. The difference is associated with the color transition of bulk PDs.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja047841g