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研究了三甲川菁敏化ＳｎＯ２ 纳米结构电极的光电化学行为。结果表明，三甲川菁染料电子激发态能级位置能与ＳｎＯ２ 纳米粒子导带边位置相匹配，从而使用该染料敏化可以显著地提高ＳｎＯ２ 纳米结构电极的光电流，使ＳｎＯ２ 纳米结构电极吸收波长红移至可见光区和近红外区，光电转换效率得到明显改善，ＩＰＣＥ值最高可达２８－９ ％ 。
The photoelectrochemical behavior of the trimethoprim-sensitized SnO2 nanostructured electrode was studied. The results show that the position of the excited states of the trimethine cyanine dyes matches the position of the conduction band edges of the SnO2 nanoparticles, so that the dye sensitization can significantly increase the photocurrent of the SnO2 nanostructured electrodes so that the absorption wavelength of the SnO2 nanostructured electrodes Red shift to the visible region and the near infrared region, the photoelectric conversion efficiency has been significantly improved IPCE value up to 28-9%.