title: DNA@Mn3(PO4)2Nanoparticles Supported with Graphene Oxide as Photoelectrodes for Photoeletrocatalysis.
abstract: A novel deoxyribose nucleic acid (DNA)-based photoelectrode consisting of DNA@Mn3(PO4)2nanoparticles on graphene oxide (GO) sheets was successfully fabricated for photoelectrocatalysis. DNA served as a soft template to guide the nucleation and growth of Mn3(PO4)2nanoparticles in the synthesis of Mn3(PO4)2nanoparticles. More importantly, the DNA also serves as semiconductor materials to adjust charge transport. Under UV light irradiation (180-420 nm, 15 mW/cm2), the photocurrent density of DNA@ Mn3(PO4)2/GO electrodes reached 9 μA/cm2at 0.7 V bias (vs. SCE). An applied bias photon-to-current efficiency (ABPE) of ~0.18% can be achieved, which was much higher than that of other control electrodes (<0.04%). In this DNA-based photoelectrode, well-matched energy levels can efficiently improve charge transfer and reduce the recombination of photogenerated electron-hole pairs.
authors.affiliation: Institute for Clean energy & Advanced Materials, Faculty of Materials & Energy, Southwest University, Chongqing, 400715, China.|Chongqing Key Laboratory for Advanced Materials and Technologies of Clean Energies, Chongqing, 400715, China.
authors.forename: Lixia
authors.initials: L
authors.lastname: Gao
authors.affiliation: Institute for Clean energy & Advanced Materials, Faculty of Materials & Energy, Southwest University, Chongqing, 400715, China.|Chongqing Key Laboratory for Advanced Materials and Technologies of Clean Energies, Chongqing, 400715, China.|Institute of Materials Science and Devices, Suzhou University of Science and Technology, Suzhou, 215011, China.
authors.forename: Jiale
authors.initials: J
authors.lastname: Xie
authors.affiliation: Institute for Clean energy & Advanced Materials, Faculty of Materials & Energy, Southwest University, Chongqing, 400715, China.|Chongqing Key Laboratory for Advanced Materials and Technologies of Clean Energies, Chongqing, 400715, China.
authors.forename: Xiaoqing
authors.initials: X
authors.lastname: Ma
authors.affiliation: Institute for Clean energy & Advanced Materials, Faculty of Materials & Energy, Southwest University, Chongqing, 400715, China.|Chongqing Key Laboratory for Advanced Materials and Technologies of Clean Energies, Chongqing, 400715, China.
authors.forename: Man
authors.initials: M
authors.lastname: Li
authors.affiliation: Institute for Clean energy & Advanced Materials, Faculty of Materials & Energy, Southwest University, Chongqing, 400715, China. lingyu12@swu.edu.cn.|Chongqing Key Laboratory for Advanced Materials and Technologies of Clean Energies, Chongqing, 400715, China. lingyu12@swu.edu.cn.
authors.forename: Ling
authors.initials: L
authors.lastname: Yu
keywords: DNA; Mn3(PO4)2; Nanoparticle; Photoelectrocatalysis; Photoelectrode