Solid state thermochromic behavior of a soluble polydiacetylene

Alasdair J. Campbell; Craig K. L. Davies

doi:10.1117/12.368301

11 October 1999 Solid state thermochromic behavior of a soluble polydiacetylene

Alasdair J. Campbell, Craig K. L. Davies

Proceedings Volume 3796, Organic Nonlinear Optical Materials; (1999) https://doi.org/10.1117/12.368301
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

The polymer crystals of the soluble polydiacetylene 4BCMU are thermochromic. Four distinct phases have been identified: the low temperature, highly ordered, crystalline Blue Phase I; the high temperature, semi-disordered mixed phase consisting of the crystalline Red Phase II and liquid- crystalline Yellow Phase II; the low temperature, highly ordered, crystalline Red Phase III; and the highly disordered, amorphous Yellow Melt Phase. The structure of the crystals and the conformation of the backbone and sidegroups are reported. The structure of the phases in the solutions and solution-caste films are also identified.

Citation Download Citation

Alasdair J. Campbell and Craig K. L. Davies "Solid state thermochromic behavior of a soluble polydiacetylene", Proc. SPIE 3796, Organic Nonlinear Optical Materials, (11 October 1999); https://doi.org/10.1117/12.368301

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