摘要
利用CuInSe2纳米材料与P3HT共混形成纳米复合材料,并由此构筑了具有高开关比的原理性光检测器件.研究发现,两种材料的混合比例对器件的性能有明显影响.随着CuInSe2纳米颗粒含量的增加,器件的开关比先增加后减小,而响应时间则一直减小.
CuInSe2 is a promising light-absorbing material suitable for high efficiency solar cells.This material possesses many advantageous properties for solar applications.For example,its band gap energy is at the red edge of the solar spectrum and it is a direct band-gap semiconductor with correspondingly high absorption coefficient.In this paper,CuInSe2 and P3HT were used to prepare a hybrid material.The performance in switching ratio and temporal response of the fabricated photodetector with CuInSe2 and P3HT was measured.The influence of CuInSe2 nanocrystals concentration on the performance of the CuInSe2-P3HT hybrid photodetector was investigated.It was found that the switching ratio reaches to a maximum value for the hybrid film with a mass ratio of CuInSe2 to P3HT of 1∶2.5,while the temporal response was becoming faster.
出处
《高等学校化学学报》
SCIE
EI
CAS
CSCD
北大核心
2011年第3期726-730,共5页
Chemical Journal of Chinese Universities
基金
国家自然科学基金(批准号:20821003
50730005)
国家"九七三"计划项目(批准号:2011CB808700)资助
