Journal
NANOSCALE ADVANCES
Volume 4, Issue 24, Pages 5202-5232Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2na00437b
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TiO2 nanomaterials have been widely studied as photoanode materials in dye-sensitized solar cells due to their non-toxicity, high electron transport rates, and fine tuneable band gap. This review focuses on the modification of TiO2 photoanodes through doping and morphological variations, and highlights the impact of various morphologies on photoanode design.
Exploiting the vast possibilities of crystal and electronic structural modifications in TiO2 based nanomaterials creatively attracted the scientific community to various energy applications. A dye sensitised solar cell, which converts photons into electricity, is considered a viable solution for the generation of electricity. TiO2 nanomaterials were well accepted as photoanode materials in dye-sensitized solar cells, and possess non-toxicity, high surface area, high electron transport rates, fine tuneable band gap, high resistance to photo corrosion and optimum pore size for better diffusion of dye and electrolyte. This review focuses on various aspects of TiO2 nanomaterials as photoanodes in dye-sensitized solar cells. TiO2 photoanode modification via doping and morphological variations were discussed in detail. The impact of various morphologies on the design of TiO2 photoanodes was particularly stressed.
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