Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) María D. Hernández-Alonso and Fernando Fresno and Silvia Suárez and Juan M. Coronado,Development of alternative photocatalysts to TiO2: Challenges and opportunities,Energy & Environmental Science,1754-5692,Royal Society of Chemistry (RSC),2009,2,12,1231,https://cir.nii.ac.jp/crid/1361418518426756224,https://doi.org/10.1039/b907933e