Naoki Ohashi

Overview

Best Publications

• Low-Temperature Fabrication of Light-Emitting Zinc Oxide Micropatterns Using Self-Assembled Monolayers

  Noriko Saito;Hajime Haneda;Takashi Sekiguchi;Naoki Ohashi

  721
  Citations

• Visible-light-driven photocatalysis on fluorine-doped TiO2 powders by the creation of surface oxygen vacancies

  Di Li;Hajime Haneda;Nitin K. Labhsetwar;Shunichi Hishita

  640
  Citations

• Visible-Light-Driven N−F−Codoped TiO2 Photocatalysts. 2. Optical Characterization, Photocatalysis, and Potential Application to Air Purification

  Di Li;Hajime Haneda;Shunichi Hishita;Naoki Ohashi

  636
  Citations

• Fluorine-doped TiO2 powders prepared by spray pyrolysis and their improved photocatalytic activity for decomposition of gas-phase acetaldehyde

  Di Li;Hajime Haneda;Shunichi Hishita;Naoki Ohashi

  431
  Citations

• Visible-Light-Driven N−F−Codoped TiO2 Photocatalysts. 1. Synthesis by Spray Pyrolysis and Surface Characterization

  Di Li;Hajime Haneda;Shunichi Hishita;Naoki Ohashi

  426
  Citations

• Origin of visible-light-driven photocatalysis: A comparative study on N/F-doped and N–F-codoped TiO2 powders by means of experimental characterizations and theoretical calculations

  Di Li;Naoki Ohashi;Shunichi Hishita;Taras Kolodiazhnyi

  423
  Citations

• Pyrogenic Iron(III)-Doped TiO2 Nanopowders Synthesized in RF Thermal Plasma: Phase Formation, Defect Structure, Band Gap, and Magnetic Properties

  Wang Xh;Li Jg;Kamiyama H;Katada M

  329
  Citations

• Visible-light-driven nitrogen-doped TiO2 photocatalysts: effect of nitrogen precursors on their photocatalysis for decomposition of gas-phase organic pollutants

  Di Li;Hajime Haneda;Shunichi Hishita;Naoki Ohashi

  266
  Citations

• Effect of hydrogen doping on ultraviolet emission spectra of various types of ZnO

  Naoki Ohashi;Takamasa Ishigaki;Nobuhiro Okada;Takashi Sekiguchi

  241
  Citations

• ZnO-based visible-light photocatalyst: Band-gap engineering and multi-electron reduction by co-catalyst

  Srinivasan Anandan;Naoki Ohashi;Masahiro Miyauchi

  215
  Citations

• Effect of Hydrogenation on ZnO Luminescence

  Takashi Sekiguchi;Naoki Ohashi;Yoshihiro Terada

  212
  Citations

• Surface modification of zinc oxide nanoparticles by aminopropyltriethoxysilane

  Fabien Grasset;N. Saito;D. Li;D. Park

  207
  Citations

• Formation of Ni3C Nanocrystals by Thermolysis of Nickel Acetylacetonate in Oleylamine: Characterization Using Hard X-ray Photoelectron Spectroscopy

  Yuji Goto;Kota Taniguchi;Takahisa Omata;Shinya Otsuka-Yao-Matsuo

  201
  Citations

• Growth condition dependence of morphology and electric properties of ZnO films on sapphire substrates prepared by molecular beam epitaxy

  Takeshi Ohgaki;Naoki Ohashi;Hirofumi Kakemoto;Satoshi Wada

  142
  Citations

• Passivation of active recombination centers in ZnO by hydrogen doping

  Naoki Ohashi;Takamasa Ishigaki;Nobuhiro Okada;Hiroyuki Taguchi

  140
  Citations

• Photoluminescence of Cerium-Doped α-SiAlON Materials

  Rong-Jun Xie;Naoto Hirosaki;Mamoru Mitomo;Yoshinobu Yamamoto

  129
  Citations

• Conversion of an ultra-wide bandgap amorphous oxide insulator to a semiconductor

  Junghwan Kim;Takumi Sekiya;Norihiko Miyokawa;Naoto Watanabe

  126
  Citations

• 90? Domain Reorientation and Electric-Field-Induced Strain of Tetragonal Lead Zirconate Titanate Ceramics

  Takaaki Tsurumi;Yutaka Kumano;Naoki Ohashi;Tadashi Takenaka

  125
  Citations

• Inorganic Molybdenum Octahedral Nanosized Cluster Units, Versatile Functional Building Block for Nanoarchitectonics

  Stéphane Cordier;F. Grasset;Y. Molard;M. Amela-Cortes

  123
  Citations

• Grain growth systematics for forsterite ± enstatite aggregates: Effect of lithology on grain size in the upper mantle

  Takehiko Hiraga;Chihiro Tachibana;Naoki Ohashi;Satoru Sano

  123
  Citations

• Enhancement and patterning of ultraviolet emission in ZnO with an electron beam

  Rongguo Xie;Takashi Sekiguchi;Takamasa Ishigaki;Naoki Ohashi

  122
  Citations

• Synthesis of nanosized nitrogen-containing MOx–ZnO (M = W, V, Fe) composite powders by spray pyrolysis and their visible-light-driven photocatalysis in gas-phase acetaldehyde decomposition

  Di Li;Hajime Haneda;Naoki Ohashi;Shunichi Hishita

  118
  Citations