Nitrogen-doped porous carbon with well-balanced charge conduction and electrocatalytic activity for dye-sensitized solar cells
Nitrogen-doped porous carbon with well-balanced charge conduction and electrocatalytic activity for dye-sensitized solar cells
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用于染料敏化太阳能电池的具有良好平衡电荷传导和电催化活性的氮掺杂多孔碳
DOI：
10.1016/j.carbon.2017.10.098
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发表时间：
2018
期刊：
影响因子：
10.9
通讯作者：
Qiu Jieshan
中科院分区：
文献类型：
--
作者：
Xiao Nan;Song Junwei;Wang Yuwei;Liu Chang;Zhou Ying;Liu Zhiqiang;Li Mingyu;Qiu Jieshan
以富氮沥青为原料，采用硬模板法合成了具有良好电荷传导和电催化活性的氮掺杂多孔炭。样品在900 °C下煅烧，具有高氮含量（7.11重量%）。并且大的比表面积在染料敏化太阳能电池中表现出高的电催化活性。沥青衍生的多孔碳的开放骨架结构和软碳性质分别导致了涉及容易的离子传输和快速的电子转移的快速电荷传导。由于这些优点，氮掺杂的多孔碳提供比商业Pt电极（7.55%）更高的功率转换效率（8.75%）。
Nitrogen-doped porous carbon with well-balanced charge conduction and electrocatalytic activity were synthesized from nitrogen-rich pitch by hard-template method. The sample carbonized at 900 °C possessing high nitrogen content (7.11 wt.%) and large specific surface area exhibits high electrocatalytic activity in dye-sensitized solar cells. A fast charge conduction involving facile ion transport and rapid electron transfer can be attributed to the open framework structure and soft carbon nature of pitch derived porous carbon, respectively. Owing to these merits, the nitrogen-doped porous carbon delivers higher power conversion efficiency (8.75%) than that of the commercial Pt electrode (7.55%).