材料科学
原位
包层(金属加工)
色素敏化染料
电极
基质(水族馆)
碳纳米纤维
纳米纤维
化学工程
辅助电极
碳纤维
纳米技术
复合材料
碳纳米管
化学
有机化学
海洋学
物理化学
复合数
工程类
电解质
地质学
作者
Xiaoyu Zhang,Xiang Peng,Xuan Wang,Qian Zhang,Zixin Wang,Ling Li
摘要
Based on carbon nanofibers (CNFs) with excellent electrical conductivity, a three-layer cladding structure CNFs@Bi2WO6@CoMoO4 material was prepared by a two-step solvothermal method, which effectively combines the great catalytic ability of transition metal oxides with the good conductivity of CNFs. Titanium (Ti) mesh was used as the conductive substrate and CNFs@Bi2WO6@CoMoO4 was scraped on it to prepare paired counter electrodes (CEs), and then dye-sensitized solar cells (DSSCs) were assembled by unifying with photoanode and iodine electrolyte. The photoelectric conversion efficiency (PCE) of 9.41% (with Voc of 0.784 V, Jsc of 17.90 mA cm-2 and FF of 0.72) was obtained under standard light conditions (AM 1.5 G). In brief, this study found a cheaper and better alternative material for Pt and also provides more possibilities for the selection of conductive substrate for CEs.
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