摘要
以四丁基氢氧化铵(TBAH)为形貌控制剂,采用一种新的无氟溶剂热反应体系,实现了特定晶面的可控合成,制备出了锐钛矿型TiO_(2)单晶纳米棒材料。所获得的TiO_(2)纳米棒主要由表面的{010}小平面控制。用该纳米棒制成的染料敏化电池(DSSCs)的短路电流密度Jsc约为10.9 mA/cm^(2),开路电压V_(oc)约为0.74 V,光电功率转换效率约为5.75%;比用商业P25型TiO_(2)制成的DSSCs具有更为优异的电池性能,电池的短路电流密度、填充因子、功率转换效率分别提高了2.83%、10.94%和10.58%。在材料表征的基础上,对其形成机理进行了初步的探讨。
Through a novel solvothermal method,single-crystalline anatase TiO_(2) nanorods were prepared using tetrabutylammonium hydroxide(TBAH)as the morphology controlling agent.The obtained TiO_(2) nanorods are dominated by a large percentage of{010}facets on the surface.The short-circuit current density Jsc of the dye-sensitized solar cells(DSSCs)made of the TiO_(2) nanorods is about 10.9 mA/cm^(2),with the open circuit voltage V_(oc) and photoelectric conversion efficiency at 0.74 V and 5.75%,respectively.Compared with DSSCs made of commercial P25 TiO_(2),the short-circuit current density,fill factor,and photoelectric conversion efficiency of the cell made of the TiO_(2) nanorods are increased by 2.83%,10.94%and 10.58%,respectively.On basis of the material characterizations,the formation mechanisms were discussed preliminarily.
作者
刘进
Liu Jin(Henan Key Laboratory of Advanced Silicon Carbide Materials,Henan Province Engineering Technology Research Cen-ter for Advanced Materials and Green Process,Research Center of Functional Materials,Kaifeng University,School of Material and Chemical Engineering,Kaifeng University,Kaifeng 475004,Henan,China)
出处
《钢铁钒钛》
CAS
北大核心
2021年第3期31-36,共6页
Iron Steel Vanadium Titanium
基金
2021年度河南省高等学校重点科研项目(21A480007)
2021年度河南省科技攻关项目(212102210243)
2021年度河南省高等学校重点科研项目(21B430010)
开封大学2017年度博士点基金项目(KDBS-2017-001)。
