Due to the superiority of metal-doped ZnO compared to TiO₂, the Zn-M (M = Al³⁺, Ga³⁺, Cr³⁺, Ti⁴⁺, Ce⁴⁺) mixed metal oxide solid solutions have been extensively studied for photocatalytic and photovoltaic applications. In this work, a systematic research has proceeded for the preparation of a zinc-aluminum oxide semiconductor as a photoanode for the dye-sensitized solar cells (DSSCs) by a simple pyrolysis route with the Zn-Al layered double hydroxide (LDH) as a precursor. The Zn–Al oxide solid solution has been applied for DSSCs as an electron acceptor, which is used to study the influence of different Al content and sintering temperature on the device efficiency. Finally, the Zn-Al oxide solid solution with calcination temperature 600 °C and Al 27 at.% content exhibits the best performance. The photoelectric efficiency improved 100 times when the Al³⁺ content decreased from 44 to 27 at.%. The Zn_xAl_yO solid solution show a reasonable efficiency as photoanode materials in DSSCs, with the best preliminary performance reported so far, and shows its potential application for the photovoltaic devices.

由于金属掺杂的ZnO优于TiO ₂，因此Zn-M（M = Al ³⁺，Ga ³⁺，Cr ³⁺，Ti ⁴⁺，Ce ⁴⁺）混合金属氧化物固溶体已被广泛研究用于光催化和光伏应用。在这项工作中，已经进行了系统的研究，以锌-铝层状双氢氧化物（LDH）作为简单的热解路线，制备了用于染料敏化太阳能电池（DSSC）的光阳极的锌铝氧化物半导体。前体。Zn-Al氧化物固溶体已被用作DSSC的电子受体，用于研究不同Al含量和烧结温度对器件效率的影响。最后，煅烧温度为600°C且Al 27 at。％含量的Zn-Al氧化物固溶体表现出最佳性能。当Al ³⁺含量从44 at％降低到27 at。％时，光电效率提高了100倍。锌_xAl _y O固溶体在DSSC中作为光阳极材料显示出合理的效率，迄今为止报道了最佳的初步性能，并显示了其在光伏器件中的潜在应用。