Photoelectrochmeical Cell Based on Natural Pigments and ZnO Nanoparticles

Getachew Yirga; Sisay Tadesse; Teketel Yohannes

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Photoelectrochmeical Cell Based on Natural Pigments and ZnO Nanoparticles

机译：基于天然颜料和ZnO纳米粒子的光电电池

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Natural pigments extracts from Bougainvillea spectabilis, Carissa Ovata, Hibiscus sabdariffa, Amarathus iresine herbisti, Beta vulgaris, are used as natural sensitizers for a dye sensitized solar cell (DSSC). ZnO nanoparticles were synthesized using sol-gel method and the size of the nanoparticle was determined using effective mass approximation model. Devices were Assembled using ZnO nanoparticles and natural sensitizers. DSSCs based on ZnO nanoparticles and ethanol extract of Amarathus iresine sensitizers have shown relatively better conversion efficiency of 0.039. Incident photon to current conversion efficiency (IPCE), short circuit current density (Jsc) and open circuit voltage (Voc) were measured for all the sensitizers.

机译：来自九重葛，Carissa Ovata，sibdariffa，Amarathus iresine Herbisti，Beta vulgaris的天然色素提取物被用作染料敏化太阳能电池（DSSC）的天然敏化剂。使用溶胶-凝胶法合成了ZnO纳米粒子，并使用有效质量近似模型确定了纳米粒子的尺寸。使用ZnO纳米粒子和天然敏化剂组装设备。基于ZnO纳米颗粒和Amarathus iresine敏化剂的乙醇提取物的DSSC显示出相对较好的0.039转化效率。测量了所有敏化剂的入射光子-电流转换效率（IPCE），短路电流密度（Jsc）和开路电压（Voc）。

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《Journal of Energy and Natural Resources》 |2016年第1期|共10页
作者
Getachew Yirga; Sisay Tadesse; Teketel Yohannes;
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Photoelectrochmeical Cell Based on Natural Pigments and ZnO Nanoparticles

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