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Polarization Dependent Photocurrent in Thin Film Polydiacetylene Single Crystals

Published online by Cambridge University Press:  25 February 2011

Y. Yang ,
J. Y. Lee ,
L. Li ,
J. Kumar ,
A. K. Jain ,
S. K. Tripathy ,
H. Matsuda ,
S. Okada  and
H. Nakanishi
Y. Yang
Affiliation:
Departments of Physics, University of Massachusetts at Lowell, Lowell, MA 01854
J. Y. Lee
Affiliation:
Chemistry, University of Massachusetts at Lowell, Lowell, MA 01854
L. Li
Affiliation:
Departments of Physics, University of Massachusetts at Lowell, Lowell, MA 01854
J. Kumar
Affiliation:
Departments of Physics, University of Massachusetts at Lowell, Lowell, MA 01854
A. K. Jain
Affiliation:
Departments of Physics, University of Massachusetts at Lowell, Lowell, MA 01854
S. K. Tripathy
Affiliation:
Chemistry, University of Massachusetts at Lowell, Lowell, MA 01854
H. Matsuda
Affiliation:
Research Institute for Polymers and Textiles, 1–1–4 Higashi, Tsukuba, Ibaraki 305, Japan
S. Okada
Affiliation:
Research Institute for Polymers and Textiles, 1–1–4 Higashi, Tsukuba, Ibaraki 305, Japan
H. Nakanishi
Affiliation:
Research Institute for Polymers and Textiles, 1–1–4 Higashi, Tsukuba, Ibaraki 305, Japan
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Abstract

The photocurrent behavior in polydiacetylene (PDA) single crystals of PTS (poly-(2, 4-hexadiyne-1, 6-diol bis(p-toluenesulfonate)) and MADF (poly-(1-(3-(methylamino)phenyl)-4-(3, 5-bis (trifluoromethyl)-phenyl) butadiyne)) have been investigated by using steady state photoconductivity measurements. These measurements were carried out as a function of sample temperature and incident light polarization. PTS and MADF show completely different behavior in these measurements. These differences between PTS and MADF suggest that the side groups of PDA strongly influence the photocurrent behavior in PDA.

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References

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