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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Nanobeads of zinc oxide with rhodamine B dye as a sensitizer for dye sensitized solar cell application
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Nanobeads of zinc oxide with rhodamine B dye as a sensitizer for dye sensitized solar cell application

机译：罗丹明B染料作为染料敏化太阳能电池应用敏化剂的氧化锌纳米珠

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摘要

Cost effective, ruthenium metal free rhodamine B dye has been chemically adsorbed on ZnO films consisting of nanobeads to serve as a photo anode in dye sensitized solar cells. These ZnO films were chemically synthesized at room temperature (27 °C) on to fluorine doped tin oxide (FTO) coated glass substrates followed by annealing at 200 °C. These films consisting of inter connected nanobeads (20-40 nm) which are due to the agglomeration of very small size particles (3-5 nm) leading to high surface area. The film shows wurtzite structure having high crystallinity with optical direct band gap of 3.3 eV. Optical absorbance measurements for rhodamine B dye covered ZnO film revealed the good coverage in the visible region (460-590 nm) of the solar spectrum. With poly-iodide liquid as an electrolyte, device exhibits photon to electric energy conversion efficiency {η) of 1.26% under AM 1.5G illumination at 100 mW/cm~2..
机译：具有成本效益的无钌金属罗丹明B染料已化学吸附在由纳米珠组成的ZnO膜上，用作染料敏化太阳能电池中的光阳极。这些ZnO薄膜在室温（27°C）上化学合成到氟掺杂氧化锡（FTO）涂层的玻璃基板上，然后在200°C退火。这些薄膜由相互连接的纳米珠（20-40 nm）组成，这是由于非常小尺寸的颗粒（3-5 nm）的团聚导致了较大的表面积。该膜显示具有高结晶度的纤锌矿结构，其光学直接带隙为3.3 eV。罗丹明B染料覆盖的ZnO膜的吸光度测量显示在太阳光谱的可见光区域（460-590 nm）中具有良好的覆盖率。使用聚碘化物液体作为电解质，器件在100 mW / cm〜2的AM 1.5G照明下表现出的光子电能转换效率（η）为1.26％。

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