Naoto Umezawa
Naoto Umezawa
Mitsubishi Chemical Corporation
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Nano‐photocatalytic materials: possibilities and challenges
H Tong, S Ouyang, Y Bi, N Umezawa, M Oshikiri, J Ye
Advanced materials 24 (2), 229-251, 2012
Facet Effect of Single-Crystalline Ag3PO4 Sub-microcrystals on Photocatalytic Properties
Y Bi, S Ouyang, N Umezawa, J Cao, J Ye
Journal of the American Chemical Society 133 (17), 6490-6492, 2011
Hybrid functional studies of the oxygen vacancy in
A Janotti, JB Varley, P Rinke, N Umezawa, G Kresse, CG Van de Walle
Physical Review B—Condensed Matter and Materials Physics 81 (8), 085212, 2010
Recent advances in TiO 2-based photocatalysis
H Xu, S Ouyang, L Liu, P Reunchan, N Umezawa, J Ye
Journal of Materials Chemistry A 2 (32), 12642-12661, 2014
Covalency-reinforced oxygen evolution reaction catalyst
S Yagi, I Yamada, H Tsukasaki, A Seno, M Murakami, H Fujii, H Chen, ...
Nature communications 6 (1), 8249, 2015
Surface-Alkalinization-Induced Enhancement of Photocatalytic H2 Evolution over SrTiO3-Based Photocatalysts
S Ouyang, H Tong, N Umezawa, J Cao, P Li, Y Bi, Y Zhang, J Ye
Journal of the American Chemical Society 134 (4), 1974-1977, 2012
Anatase TiO2 Single Crystals Exposed with High-Reactive {111} Facets Toward Efficient H2 Evolution
H Xu, P Reunchan, S Ouyang, H Tong, N Umezawa, T Kako, J Ye
Chemistry of Materials 25 (3), 405-411, 2013
Self-doped SrTiO 3− δ photocatalyst with enhanced activity for artificial photosynthesis under visible light
K Xie, N Umezawa, N Zhang, P Reunchan, Y Zhang, J Ye
Energy & Environmental Science 4 (10), 4211-4219, 2011
Facet engineered Ag 3 PO 4 for efficient water photooxidation
DJ Martin, N Umezawa, X Chen, J Ye, J Tang
Energy & Environmental Science 6 (11), 3380-3386, 2013
Theoretical study of high photocatalytic performance of AgPO
N Umezawa, O Shuxin, J Ye
Physical Review B—Condensed Matter and Materials Physics 83 (3), 035202, 2011
Formation and Characterization of Hydrogen Boride Sheets Derived from MgB2 by Cation Exchange
H Nishino, T Fujita, NT Cuong, S Tominaka, M Miyauchi, S Iimura, ...
Journal of the American Chemical Society 139 (39), 13761-13769, 2017
First-principles studies of the intrinsic effect of nitrogen atoms on reduction in gate leakage current through Hf-based high-k dielectrics
N Umezawa, K Shiraishi, T Ohno, H Watanabe, T Chikyow, K Torii, ...
Applied Physics Letters 86 (14), 2005
Photocatalytic Water Splitting under Visible Light by Mixed-Valence Sn3O4
M Manikandan, T Tanabe, P Li, S Ueda, GV Ramesh, R Kodiyath, J Wang, ...
ACS Applied Materials & Interfaces 6 (6), 3790-3793, 2014
Modified oxygen vacancy induced fermi level pinning model extendable to P-metal pinning
Y Akasaka, G Nakamura, K Shiraishi, N Umezawa, K Yamabe, O Ogawa, ...
Japanese journal of applied physics 45 (12L), L1289, 2006
Examining the performance of refractory conductive ceramics as plasmonic materials: a theoretical approach
M Kumar, N Umezawa, S Ishii, T Nagao
Acs Photonics 3 (1), 43-50, 2016
Mesoporous palladium–copper bimetallic electrodes for selective electrocatalytic reduction of aqueous CO 2 to CO
M Li, J Wang, P Li, K Chang, C Li, T Wang, B Jiang, H Zhang, H Liu, ...
Journal of Materials Chemistry A 4 (13), 4776-4782, 2016
Theoretical design of highly active SrTiO 3-based photocatalysts by a codoping scheme towards solar energy utilization for hydrogen production
P Reunchan, S Ouyang, N Umezawa, H Xu, Y Zhang, J Ye
Journal of Materials Chemistry A 1 (13), 4221-4227, 2013
BaSi2 as a promising low-cost, earth-abundant material with large optical activity for thin-film solar cells: A hybrid density functional study
M Kumar, N Umezawa, M Imai
Applied Physics Express 7 (7), 071203, 2014
Gold photosensitized SrTiO 3 for visible-light water oxidation induced by Au interband transitions
L Liu, P Li, B Adisak, S Ouyang, N Umezawa, J Ye, R Kodiyath, T Tanabe, ...
Journal of Materials Chemistry A 2 (25), 9875-9882, 2014
Band gap engineering of bulk and nanosheet SnO: an insight into the interlayer Sn–Sn lone pair interactions
W Zhou, N Umezawa
Physical Chemistry Chemical Physics 17 (27), 17816-17820, 2015
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