Jie, HyunSeock Park, Hoon Chae, Keun-Hwa Anpo, Masakazu Park, Jong-Ku 2024-01-20T21:35:28Z 2024-01-20T21:35:28Z 2021-09-03 2009-03-05 0009-2614 https://pubs.kist.re.kr/handle/201004/132656 An in-situ NEXAFS study was performed to directly investigate the change in the hole structures in the conduction band of TiO2 nanopowders synthesized using a flame method under UV irradiation. The anatase/rutile phase boundary was found to suppress the hole-electron recombination, leading to improved photoreactivity of TiO2 nanopowders. (C) 2009 Elsevier B. V. All rights reserved. English ELSEVIER SCIENCE BV PHOTOCATALYTIC ACTIVITY HF SOLUTION ANATASE PARTICLES DEGRADATION CALCINATION HYDROLYSIS 2-PROPANOL REACTIVITY MORPHOLOGY Suppressed recombination of electrons and holes and its role on the improvement of photoreactivity of flame-synthesized TiO2 nanopowders Article 10.1016/j.cplett.2009.01.065 1 CHEMICAL PHYSICS LETTERS, v.470, no.4-6, pp.269 - 274 CHEMICAL PHYSICS LETTERS 470 4-6 269 274 scie scopus 000263791700023 2-s2.0-60949101232 Chemistry, Physical Physics, Atomic, Molecular & Chemical Chemistry Physics Article PHOTOCATALYTIC ACTIVITY HF SOLUTION ANATASE PARTICLES DEGRADATION CALCINATION HYDROLYSIS 2-PROPANOL REACTIVITY MORPHOLOGY photoreactivity TiO2 nanopowders