Kiyoshi Okada

Overview

Best Publications

• Characterization of the Spinel Phase from SiO2-Al2O3 Xerogels and the Formation Process of Mullite

  Kiyoshi Okada;Nozomu Ōtsuka

  415
  Citations

• Effect of Silica Additive on the Anatase-to-Rutile Phase Transition

  Kiyoshi Okada;Nobuo Yamamoto;Yoshikazu Kameshima;Atsuo Yasumori

  372
  Citations

• Preparation of graphitic carbon nitride (g-C3N4)/WO3 composites and enhanced visible-light-driven photodegradation of acetaldehyde gas

  Ken-ichi Katsumata;Ryosuke Motoyoshi;Nobuhiro Matsushita;Kiyoshi Okada

  341
  Citations

• Adsorption properties of activated carbon from waste newspaper prepared by chemical and physical activation.

  Kiyoshi Okada;Nobuo Yamamoto;Yoshikazu Kameshima;Atsuo Yasumori

  332
  Citations

• Formation of hydroxyapatite on CaSiO3 powders in simulated body fluid

  Punnama Siriphannon;Yoshikazu Kameshima;Atsuo Yasumori;Kiyoshi Okada

  284
  Citations

• Mn–Ce/ZSM5 as a new superior catalyst for NO reduction with NH3

  Gabriela Carja;Yoshikazu Kameshima;Kiyoshi Okada;Changalla D. Madhusoodana

  233
  Citations

• Crystallinity of boehmite and its effect on the phase transition temperature of alumina

  Takayuki Tsukada;Hideo Segawa;Atsuo Yasumori;Kiyoshi Okada

  193
  Citations

• Synthesis of Mullite Whiskers and Their Application in Composites

  Kiyoshi Okada;Nozomu Ōtuska

  189
  Citations

• Structure Refinement of Mullite by the Rietveld Method and a New Method for Estimation of Chemical Composition

  Takayuki Ban;Kiyoshi Okada

  189
  Citations

• Gas permeability and mechanical properties of porous alumina ceramics with unidirectionally aligned pores

  Toshihiro Isobe;Yoshikazu Kameshima;Akira Nakajima;Kiyoshi Okada

  188
  Citations

• Preparation of microporous silica from metakaolinite by selective leaching method

  Kiyoshi Okada;Akira Shimai;Takahiro Takei;Shigeo Hayashi

  185
  Citations

• Relationship between formation conditions, properties, and crystallite size of boehmite.

  Kiyoshi Okada;Toru Nagashima;Yoshikazu Kameshima;Atsuo Yasumori

  179
  Citations

• PREPARATION AND SINTERING OF CASIO3 FROM COPRECIPITATED POWDER USING NAOH AS PRECIPITANT AND ITS APATITE FORMATION IN SIMULATED BODY FLUID SOLUTION

  Punnama Siriphannon;Shigeo Hayashi;Atsuo Yasumori;Kiyoshi Okada

  173
  Citations

• Thermal decomposition of mechanically activated gibbsite

  K.J.D. MacKenzie;J. Temuujin;K. Okada

  160
  Citations

• Preparation of porous silica from vermiculite by selective leaching

  Jadambaa Temuujin;Kiyoshi Okada;Kenneth J.D MacKenzie

  157
  Citations

• Water retention properties of porous geopolymers for use in cooling applications

  Kiyoshi Okada;Asami Ooyama;Toshihiro Isobe;Yoshikazu Kameshima

  153
  Citations

• Co3O4 nanoparticles-loaded BiOCl nanoplates with the dominant {001} facets: efficient photodegradation of organic dyes under visible light

  Congwei Tan;Gangqiang Zhu;Mirabbos Hojamberdiev;Kiyoshi Okada

  148
  Citations

• Characterization of Spinel Phase Formed in the Kaolin‐Mullite Thermal Sequence

  Kiyoshi Okada;Nozomu ŌTsuka;Joyo Ossaka

  145
  Citations

• ZnO-graphene composites as practical photocatalysts for gaseous acetaldehyde degradation and electrolytic water oxidation

  Yu Chih Chen;Ken Ichi Katsumata;Yi Hsuan Chiu;Kiyoshi Okada

  141
  Citations

• Chemical Shifts of Silicon X‐ray Photoelectron Spectra by Polymerization Structures of Silicates

  Kiyoshi Okada;Yoshikazu Kameshima;Atsuo Yasumori

  139
  Citations

• Influence of preparation conditions on the microstructure and bioactivity of α-CaSiO3 ceramics : Formation of hydroxyapatite in simulated body fluid

  Punnama Siriphannon;Yoshikazu Kameshima;Atsuo Yasumori;Kiyoshi Okada

  137
  Citations