Highly efficient telluride electrocatalysts for use as Pt-free counter electrodes in dye-sensitized solar cells
Highly efficient telluride electrocatalysts for use as Pt-free counter electrodes in dye-sensitized solar cells
复制标题
用作染料敏化太阳能电池中无铂对电极的高效碲化物电催化剂
DOI：
10.1039/c3cc45698f
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发表时间：
2013-01-01
影响因子：
4.9
通讯作者：
Ma, Tingli
中科院分区：
文献类型：
--
作者：
Guo, Jiahao;Shi, Yantao;Ma, Tingli
合成了两种过渡金属碲化物CoTe和NiTe2，并首次用作染料敏化太阳能电池（DSC）中对I-3（-）还原具有高催化活性的对电极（CE）。使用 CoTe 和 NiTe2 基 CE，DSC 的光电转换效率 (PCE) 分别达到 6.92% 和 7.21%，与使用 Pt 基 CE 时获得的 7.04% 相当。结果表明，作为 DSC 中的 CE，碲化物可以成为贵金属 Pt 的经济有效的替代品。
Two transition metal tellurides, CoTe and NiTe2, were synthesized and for the first time employed as the counter electrodes (CEs) with high catalytic activity for reduction of I-3(-) in dye-sensitized solar cells (DSCs). Using CoTe and NiTe2-based CEs, photoelectric conversion efficiencies (PCEs) of 6.92% and 7.21% were achieved for DSCs, respectively, comparable to that of 7.04% achieved when using a Pt-based CE. The results indicated that, serving as a CE in DSCs, telluride could be a cost-effective and efficient alternative to the noble metal Pt.