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本文采用阳极氧化法在不同电解液条件下制备染料敏化太阳能电池光阳极Ti O2纳米管,通过SEM观察纳米管阵列薄膜的形貌,探究Ti O2纳米管的形成机制;采用德国IM6ex电化学工作站,检测其光照开路电位;组装成DSC后,采用Newport太阳模拟器,Keithley2400数字源表测试其I-V曲线。结果表明:分别在0.12%HF、0.24%HF和0.36%HF的三种溶液中制得的Ti O2纳米管管径d0.36>d0.24>d0.12。Ti O2纳米管管径的生成分为三个阶段:阻挡层生成阶段,纳米管形成阶段和纳米管稳定阶段.在0.88wt%NH4F醇水混合溶液种中20V恒压下电解4h得到的Ti O2纳米管薄膜光照开路电位差△Voc=0.074V,组装成DSC得到的Voc=0.66V,Isc=2.1m A,FF=0.38,η=0.53%。
In this paper, anodic oxidation of TiO2 anode in dye-sensitized solar cells was prepared under different electrolyte conditions, the morphology of the nanotube array was observed by SEM, and the formation mechanism of Ti O2 nanotubes was explored. Using IM6ex electrochemical workstation , Testing its light open circuit potential; assembled into a DSC, the Newport solar simulator, Keithley2400 digital source test its IV curve. The results show that the diameter of Ti02 nanotubes prepared in three solutions of 0.12% HF, 0.24% HF and 0.36% HF respectively is d0.36> d0.24> d0.12. Ti O2 nanotube diameter is divided into three stages: the barrier layer formation phase, the nanotube formation phase and the nanotube stabilization phase. The Ti O2 obtained by electrolysis in 0.88wt% NH4F alcohol-water mixed solution at 20V for 4h The open circuit potential difference of the nanotube film, ΔVoc = 0.074V, was Voc = 0.66V when assembled into DSC, Isc = 2.1m A, FF = 0.38, η = 0.53%.