Pyroelectric properties in polar hemicyanine Langmuir-Blodgett multilayer films

Shihong Ma; Mei Yan; Wencheng Wang; Zhi-Ming Zhang; Zhanghai Chen; Pulin Liu; Junhao Zhu; Cuifeng Qu; Sheng-Wei Lin

doi:10.1117/12.318074

11 August 1998 Pyroelectric properties in polar hemicyanine Langmuir-Blodgett multilayer films

Shihong Ma, Mei Yan, Wencheng Wang, Zhi-Ming Zhang, Zhanghai Chen, Pulin Liu, Junhao Zhu, Cuifeng Qu, Sheng-Wei Lin

Proceedings Volume 3553, Detectors, Focal Plane Arrays, and Imaging Devices II; (1998) https://doi.org/10.1117/12.318074
Event: Photonics China '98, 1998, Beijing, China

Abstract

The Langmuir-Blodgett (LB) films of hemocyanin dyes were prepared by LB technique. The films show pyroelectric effect. The pyroelectric coefficient measured by the method of integrated charges is 12 (mu) C m^-2 K^-1 at room temperature. The relationship between the orientation of DAEP in the films and temperature was studied by polarized FTIR spectroscopy and second-harmonic generation. The physical mechanism of pyroelectricity in the films was also discussed.

Citation Download Citation

Shihong Ma, Mei Yan, Wencheng Wang, Zhi-Ming Zhang, Zhanghai Chen, Pulin Liu, Junhao Zhu, Cuifeng Qu, and Sheng-Wei Lin "Pyroelectric properties in polar hemicyanine Langmuir-Blodgett multilayer films", Proc. SPIE 3553, Detectors, Focal Plane Arrays, and Imaging Devices II, (11 August 1998); https://doi.org/10.1117/12.318074

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