Enhanced photoconductivity by melt quenching method for amorphous organic photorefractive materials

S. Tsujimura; T. Fujihara; T. Sassa; K. Kinashi; W. Sakai; K. Ishibashi; N. Tsutsumi

doi:10.1117/12.2058521

7 October 2014 Enhanced photoconductivity by melt quenching method for amorphous organic photorefractive materials

S. Tsujimura, T. Fujihara, T. Sassa, K. Kinashi, W. Sakai, K. Ishibashi, N. Tsutsumi

Proceedings Volume 9181, Light Manipulating Organic Materials and Devices; 91810C (2014) https://doi.org/10.1117/12.2058521
Event: SPIE Organic Photonics + Electronics, 2014, San Diego, California, United States

Abstract

For many optical semiconductor fields of study, the high photoconductivity of amorphous organic semiconductors has strongly been desired, because they make the manufacture of high-performance devices easy when controlling charge carrier transport and trapping is otherwise difficult. This study focuses on the correlation between photoconductivity and bulk state in amorphous organic photorefractive materials to probe the nature of the performance of photoconductivity and to enhance the response time and diffraction efficiency of photorefractivity. The general cooling processes of the quenching method achieved enhanced photoconductivity and a decreased filling rate for shallow traps. Therefore, sample processing, which was quenching in the present case, for photorefractive composites significantly relates to enhanced photorefractivity.

Citation Download Citation

S. Tsujimura, T. Fujihara, T. Sassa, K. Kinashi, W. Sakai, K. Ishibashi, and N. Tsutsumi "Enhanced photoconductivity by melt quenching method for amorphous organic photorefractive materials", Proc. SPIE 9181, Light Manipulating Organic Materials and Devices, 91810C (7 October 2014); https://doi.org/10.1117/12.2058521

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