Cai Man-Ge, Watanabe Arina, Xu Zhenyu, Zhai Yong-Chang, Hidayat Achmad Syarif, Ueoka Naoki, Huda Miftakhul, Higuchi Kimitaka, Kauppinen Esko I, Funabiki Kazumasa, Matsuo Yutaka
Department of Chemical Systems Engineering, Graduate School of Engineering, Nagoya University, Nagoya 464-8603, Japan.
Department of Chemistry and Biomolecular Science, Gifu University, Gifu 501-1193, Japan.
Molecules. 2024 Dec 27;30(1):60. doi: 10.3390/molecules30010060.
Perovskite solar cell (PSC) technology holds great promise with continuously improving power conversion efficiency; however, the use of metal electrodes hinders its commercialization and the development of tandem designs. Although single-walled carbon nanotubes (SWCNTs), as one-dimensional materials, have the potential to replace metal electrodes in PSCs, their poor conductivity still limits their application. In this study, the near-infrared (NIR)-absorbing anionic heptamethine cyanine dye-doped SWCNTs functioned in a dual role as an efficient charge-selective layer and electrode in PSCs. Benefiting from the improvement in conductivities and matched energy level of doped-SWCNT, the dual-role SWCNT electrodes applied to PSCs achieved a better performance than the undoped PSCs with a higher short circuit current () and fill factor (FF).
钙钛矿太阳能电池（PSC）技术随着功率转换效率的不断提高而极具前景；然而，金属电极的使用阻碍了其商业化以及串联设计的发展。尽管单壁碳纳米管（SWCNTs）作为一维材料有潜力在PSC中替代金属电极，但其导电性差仍限制了它们的应用。在本研究中，吸收近红外（NIR）的阴离子七甲川花菁染料掺杂的SWCNTs在PSC中起到了高效电荷选择层和电极的双重作用。受益于掺杂SWCNT的电导率提高和能级匹配，应用于PSC的双功能SWCNT电极比未掺杂的PSC表现更好，具有更高的短路电流（）和填充因子（FF）。
