摘要
采用水热法在掺氟的SnO2透明导电玻璃(FTO)基底上制备了金红石型的TiO2纳米棒阵列;然后采用电化学方法在TiO2纳米棒阵列上沉积不同厚度的CdSxSe1-x纳米晶,形成了CdSxSe1-x纳米晶包覆TiO2纳米棒的CdSxSe1-x/TiO2壳核结构;利用扫描电镜(SEM)、能谱分析(EDS)、X射线衍射(XRD)、紫外-可见漫反射吸收光谱(UV-Vis DRS)等对其形貌、结构组成等进行了分析和表征,结合循环伏安法及其吸收光谱确定了CdSxSe1-x纳米晶的能级位置。最后以P3HT/CdSxSe1-x/TiO2复合薄膜材料为光活性层组装成固态纳米结构杂化太阳电池,研究了CdSxSe1-x壳层厚度对该电池光电转换性能的影响,结果表明转换效率最高可达到0.68%。
In this work,vertically aligned rutile TiO2 nanorod arrays were prepared on the fluorine-doped SnO2 transparent conducting glass oxide (FTO)by a hydrothermal method.The CdSx Se1-x nanocrystals were elec-trochemically deposited into the TiO2 nanorod array to form the CdSx Se1-x/TiO2 shell-core nanorod array struc-ture.Scanning electron microscopy (SEM),X-ray diffraction (XRD)microscopy,energy dispersive-ray spec-troscopy (EDS)and ultraviolet-visible diffuse reflection spectrum (UV-Vis DRS)were used to study the mor-phology,crystal structure and composition of the samples,respectively.The hybrid solar cells with the de-signed (P3 HT)/CdSx Se1-x/TiO2 shell-core nanostructures were fabricated.As a result,the hybrid solar cell based on the (P3HT)/CdSx Se1-x (9min)/TiO2 photoelectrode exhibitied an energy conversion efficiency of 0.68%.
出处
《功能材料》
EI
CAS
CSCD
北大核心
2015年第2期2135-2139,2143,共6页
Journal of Functional Materials
基金
国家自然科学基金资助项目(21173065)
河北省自然科学基金资助项目(B2014208062
B2014208066
B2010000856)
河北省科技计划资助项目(13214413)
河北科技大学博士启动基金资助项目(000691
010087)
校立科研基金资助项目(XL201255)