Abstract 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%).

中文翻译：

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具有良好平衡的电荷传导和电催化活性的氮掺杂多孔碳用于染料敏化太阳能电池

摘要 以富氮沥青为原料，采用硬模板法合成了电荷传导和电催化活性均衡的掺氮多孔碳。在 900 °C 下碳化的样品具有高氮含量 (7.11 wt.%) 和大比表面积，在染料敏化太阳能电池中表现出高电催化活性。涉及易离子传输和快速电子转移的快速电荷传导可分别归因于沥青衍生多孔碳的开放框架结构和软碳性质。由于这些优点，掺氮多孔碳比商用 Pt 电极（7.55%）具有更高的功率转换效率（8.75%）。