电子元件与材料2016，Vol.35Issue(4)：44-49,6.DOI:10.14106/j.cnki.1001-2028.2016.04.011
硫化钴镍的制备及其作染料敏化太阳能电池对电极的性能研究
Synthesis of NiCo2S4and their effect as counter electrodes on performance of dye-sensitized solar cells
摘要
Abstract
NiCo2S4 counter electrodes were successfully synthesized by a two-step hydrothermal method at different temperatures on the conductive glasses of fluorine doped tin oxide. The synthesized phase, elementary composition, surface morphology, and photovotaic performances of the as-prepared counter electrodes (CEs) were investigated with X ray diffraction (XRD), X ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS) and photo electric current density voltage characteristic curves (J-V). The results show that the films of NiCo2S4 CE are consisted of nano-scaled orthostatic nanosheets. The DSSC assembled with the CE prepared at 90℃ obtains a power conversion efficiency of 5.74%, which is comparable to that of DSSC assembled with Pt (6.02%). However, when the sample prepared at 120℃ is applied as a CE, the DSSC exhibites a lower power conversion efficiency despite it has a large specific area. The major reason is the huge diffusion impendence of the I-/I3- in the electrolyte caused by the large thickness value of the film.关键词
染料敏化太阳能电池/对电极/原位生长/硫化钴镍/纳米片/电催化活性Key words
dye-sensitized solar cells/counter electrode/in-situ growth/NiCo2S4/nanosheet/electro-catalytic activity分类
信息技术与安全科学引用本文复制引用
陈琳琳,汪佳丽,郑琳杰,鲍潮,孙小华..硫化钴镍的制备及其作染料敏化太阳能电池对电极的性能研究[J].电子元件与材料,2016,35(4):44-49,6.基金项目
国家自然科学基金项目 （）
