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首页> 外文期刊>International Journal of Electrochemical Science >Enhancement of Dye-Sensitized Solar Cells by using Graphene-TiO2 Composites as Photoelectrochemical Working Electrode
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Enhancement of Dye-Sensitized Solar Cells by using Graphene-TiO2 Composites as Photoelectrochemical Working Electrode

机译：石墨烯-TiO 2 复合材料作为光电化学工作电极增强染料敏化太阳能电池

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摘要

Composite films of graphene-content TiO2 were deposited on indium tin oxide (ITO) substrates byspin coating at room temperature and applied as working electrodes of dye-sensitized solar cells(DSSCs). Field emission scanning electron microscope (FE-SEM) and atomic force microscopes(AFM) measurements show that a uniform graphene is formed around the TiO2 particles and mappingof the porous TiO2 layer that the graphene distribution is uniform throughout the layer. The amount ofdye absorption is increased with increase in the content of graphene and cyclic voltammetry (CV)measurement show a gradual increase in the anodic current. With an optimum content of graphene(1wt %) involve in TiO2 film, a 15% improvement in the cell efficiency (from 5.98% to 6.86%) isachieved.
机译：室温下通过旋涂法将石墨烯含量为TiO2的复合膜沉积在铟锡氧化物（ITO）基底上，并用作染料敏化太阳能电池（DSSCs）的工作电极。场发射扫描电子显微镜（FE-SEM）和原子力显微镜（AFM）的测量表明，在TiO2颗粒周围形成了均匀的石墨烯，并绘制了多孔TiO2层的图，表明石墨烯在整个层中分布均匀。染料吸收量随石墨烯含量的增加而增加，循环伏安法（CV）测量表明阳极电流逐渐增加。 TiO2薄膜中石墨烯的最佳含量（1wt％）可将电池效率提高15％（从5.98％到6.86％）。

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