title: An ordered and porous N-doped carbon dot-sensitized Bi2O3 inverse opal with enhanced photoelectrochemical performance and photocatalytic activity.
abstract: A novel ordered porous Bi2O3 inverse opal structure (IOS) was prepared using a polystyrene (PS) photonic crystal as the template for the first time. Nitrogen-doped carbon dots (N-CDs) were chosen to sensitize the as-prepared Bi2O3 IOS for improving photoelectrochemical performance and photocatalytic activity. The photocurrent density of the fabricated N-CDs/Bi2O3 IOS with favorable visible light absorption properties can achieve 0.75 mA cm(-2), which significantly enhanced performance two-, seven-, and thirty-fold compared with that of the CDs/Bi2O3 IOS, Bi2O3 IOS, and Bi2O3 nanoparticles (NPs), respectively. The N-CDs/Bi2O3 IOS also has increased photocatalytic activity for the decolorization of Rhodamine B (RhB), 4 times higher than Bi2O3 NPs. The above performance enhancement of N-CDs/Bi2O3 IOS is caused by the synergistic effect of N-CDs sensitization and the highly ordered IOS, which make it a promising material to be used in clean energy, solar cells, potential applications in water purification and so on.
authors.affiliation: School of Chemistry and Chemical Engineering, Lab for Clean Energy & Green Catalysis, Anhui University, Hefei 230601, P. R. China. anjx@163.com s_yuhua@163.com.
authors.forename: Yan
authors.initials: Y
authors.lastname: Sun
authors.forename: Zuxing
authors.initials: Z
authors.lastname: Zhang
authors.forename: Anjian
authors.initials: A
authors.lastname: Xie
authors.forename: Changhe
authors.initials: C
authors.lastname: Xiao
authors.forename: Shikuo
authors.initials: S
authors.lastname: Li
authors.forename: Fangzhi
authors.initials: F
authors.lastname: Huang
authors.forename: Yuhua
authors.initials: Y
authors.lastname: Shen