Synthesized TiO 2 Mesoporous by Addition of Acetylacetone and Graphene for Dye Sensitized Solar Cells. - Chang, Chun-Hao; Chuang, Chia-Han; Zhong, De-Yang; Lin, Jun-Cheng; Sung, Chia-Chi; Hsu, Chun-Yao (Coatings (2079-6412), 2021)