デザインされた微粒子を未来材料へ！

Designed fine particles for future materials!

広島大学　熱流体材料工学研究室では、化学工学を駆使して、未来の資源・環境・エネルギー・ライフサイエンスの課題解決へ貢献する微粒子材料の開発に取り組んでいます

At the Thermal Fluid Materials Engineering (TME) Laboratory at Hiroshima University, we leverage chemical engineering to develop fine particle materials that contribute to solving future challenges in resources, environment, energy, and life sciences.

気中での微粒子を設計、構造化する

気中に噴霧された液滴をエネルギー場に供給し、液滴の乾燥、物質移動、反応を介して、小さな微粒子を製造しています。

とくに、化学（反応、親疎水性）や物理（粒子の表面電位、拡散）も駆使して微粒子の形態や構造をデザインしています。得られた粒子は、下の図に示すように様々な機能性材料への応用展開を目指しています。

Publications in the area:

K. L. A. Cao et al., Advanced Carbon Sphere-Based Hybrid Materials Produced by Innovative Aerosol Process for High-Efficiency Rechargeable Batteries, Energy Storage Materials, 74, 103901 (2025). Review paper

E. L. Septiani et al., Advances in Aerosol Nanostructuring: Functions and Control of Next-Generation Particles, Langmuir, 40, 51, 26789–26799 (2024). Review paper

S. Wintzheimer et al., Multifunctional, hybrid materials design via spray-drying: much more than just drying, Advanced Materials, 35(47), 2306648 (2023). Review paper

三元触媒ナノ粒子のポーラス構造化とCO酸化性能

Porous structuring of three-way catalyst nanoparticles and CO oxidation performance

詳細は、下記の論文を参照ください。

Publications in the area:

• D. B. Kautsar et al., Multiporous Structure Formation in Three-Way Catalysts Particles for Enhanced Catalytic Performance, Journal of Materials Chemistry A (IF = 9.5), 14,1110-1122(2026). 
• A. Ando et al., Design and Internal Structure Analysis of Submicron Aggregated and Porous Three-Way Catalyst Particles Synthesized via Spray Drying for Enhanced CO Conversion, Journal of Colloid and Interface Science (IF=9.4), 686, 277-288, (2025)
• D. B. Kautsar et al., Enhancing CO oxidation performance by controlling the interconnected pore structure in porous three-way catalyst particles, Nanoscale (IF = 5.8), 17, 2841-2851, (2025)
• D. B. Kautsar et al., Controllable synthesis of porous and hollow nanostructured catalyst particles and their soot oxidation, Langmuir (IF = 3.9), 40, 15, 8260–8270 (2024)
• P. H. Le et al., Macropore-Size Engineering toward Enhancing the Catalytic Performance of CO Oxidation over Three-Way Catalyst Particles, ACS Applied Materials & Interfaces (IF = 9.5), 15 (46) 54073-54084 (2023)
• P. H. Le et al., CO Oxidation Enabled by Three-Way Catalysts Comprised of Pd/Rh Nanoparticles Supported on Al2O3 and CeZrO4 Confined in Macroporous Polystyrene Latex Templates, ACS Applied Nano Materials (IF = 5.9), 6 (18) 17324-17335 (2023)
• P. H. Le et al., Designing Macroporous Structure of Three-way Catalyst Particles: Influence of Template Concentration on Framework Thickness and Mass Transfer, Langmuir (IF = 4.331), 39 (22) 7783-7792 (2023)
• P. H. Le et al., Synthesis of Macroporous Three-way Catalysts via Template-assisted Spray Process for Enhancing Mass Transfer in Gas Adsorption, Advanced Powder Technology (IF=4.833), 33, 6, 103581, (2022)

リグニン由来カーボン微粒子の製造

Production of lignin-derived carbon fine particles

詳細は、下記の論文を参照ください。

Publications in the area:

• K. L. A. Cao et al., Sustainable Porous Carbon Derived from Lignin for High-Performance CO2 Capture, Chemistry - An Asian Journal (IF = 3.3), 21(4), e00988 (2026), Invited Review Article.
• K. A. L. Cao et al., Correlation between pore characteristics and high-performance carbon dioxide capture of sustainable porous carbon derived from Kraft lignin and potassium carbonate, Energy & Fuels (IF = 5.2), 39(13), 6372-6387 (2025).
• Y. Kitamoto et al., A sustainable approach for preparing porous carbon spheres derived from Kraft lignin and sodium hydroxide as highly packed thin film electrode materials, Langmuir (IF = 3.882), 38(11), 3540-3552 (2022).
• K. L. A. Cao et al., Sustainable porous hollow carbon spheres with high specific surface area derived from Kraft lignin, Advanced Powder Technology (IF = 4.217), 32(6), 2064-2073 (2021).
• K. L. A. Cao et al., Controllable synthesis of spherical carbon particles transition from dense to hollow structure derived from Kraft lignin, Journal of Colloid and Interface Science (IF = 7.489), 589, 252-263 (2021).

気相中でのシリカコート金属微粒子の合成

Synthesis of silica-coated metal fine particles in the gas phase

詳細は、下記の論文を参照ください。

Publications in the area:

• E. L. Septiani et al., Synthesis of Silica-Coated Iron (Fe@SiOx) Particles with High Stability and Fast Magnetic Responsiveness, ACS Applied Engineering Materials (IF = 3.5), 4(2), 696-706 (2026).
• D. Ratnasari et al., Impact of Morphological and Structural Properties of Submicron Core-Shell Fe-Silica Particles on High-Current Power Converter Performance in Electronics, ACS Omega (IF = 3.7), 10(22) 23387–23396(2025).
• D. Ratnasari et al., Nanostructuring Silica-iron Core-shell Particles in a One-step Aerosol Process, RSC Advances (IF = 3.9), 14, 18171-18180 (2024).
• E. L. Septiani et al., Effects of Coating Characteristics of One-Step Aerosol Synthesized–Silica-Coated FeNi Nanostructured Particles on Powder Core Properties for Electronic Machines Development, ACS Applied Nano Materials (IF = 5.9), 7, 10, 11839–11850 (2024) 
• E. L. Septiani et al., Enhancing soft magnetic characteristics of dense submicron FeNi particles with low carbon content by swirler connector assisted spray pyrolysis, Chemical Engineering Science (IF = 4.7), 119820 (2024) 
• D. Ratnasari et al., Synthesis of Submicron-sized Spherical Silica-coated Iron Nickel Particles with Adjustable Shell Thickness via A Swirler Connector-assisted Spray Pyrolysis, Langmuir (IF = 3.9), 39(39), 14063–14073 (2023)
• E. L. Septiani et al., One-step aerosol synthesis of SiO2 coated FeNi particles by using swirler connector-assisted spray pyrolysis, Industrial and Engineering Chemistry Research (IF=4.326), 61 (49) 17885–17893 (2022).
• E. L. Septiani et al., DC bias characteristic enhancement of the powder core by using densified submicron sized FeNi particles through spray pyrolysis, Journal of Materials Chemistry C (IF=7.393), 10, 8288–8295 (2022).
• E. L. Septiani et al., Direct synthesis of submicron FeNi particles via spray pyrolysis using various reduction agents, Advanced Powder Technology (IF=4.217), 32(11), 4263-4272, (2021).

セルロールナノファイバー（CNF）の気中構造化

Gas-phase structuring of cellulose nanofibers (CNF)

詳細は、下記の論文を参照ください。

Publications in the area:

• N. S. N. S. Bahri et al., Effect of Cellulose Nanofiber Length on Magnetic Separation Performance and Biotin–Streptavidin Conjugation Efficiency of CNF/Fe3O4 Composite Particles Prepared via Spray Synthesis, Biomacromolecules (IF = 5.4) in press (2026).
• N. S. N. S. Bahri et al., Bioconjugation and Magnetic Separation Performance of Cellulose Nanofiber/Fe3O4 Nanoparticle Composites with Tunable Fe3O4 Sizes for Biomedical Applications, ACS Applied Nano Materials (IF = 5.5), 8(38), 18534–18545 (2025).
• N. S. N. S. Bahri et al., Controlling the Magnetic Responsiveness of Cellulose Nanofiber Particles Embedded with Iron Oxide Nanoparticles, ACS Applied Bio Materials (IF = 4.7), 7(5), 3227–3237 (2024).
• N. S. N. S. Bahri et al., Enhancing water stability of nanostructured cellulose nanofiber particle through the application of oxazoline cross-linker, Advanced Powder Technology (IF = 5.2), 34(12) 104241 (2023).
• T. T. Nguyen et al., Tuning of Water Resistance and Protein Adsorption Capacity of Porous Cellulose Nanofiber Particles Prepared by Spray Drying with Cross-Linking Reaction, Journal of Colloid and Interface Science (IF=9.965), 630, 134-143 (2023).
• A. M. Rahmatika et al., Effects of Solvent Polarity on Nanostructure Formation of Spray-Dried TEMPO-Oxidized Cellulose Nanofiber Particles, ACS Applied Polymer Materials (IF=4.089), 4(9), 6700–6709 (2022).
• A. M. Rahmatika et al., Cellulose Nanofiber and Magnetic Nanoparticles as Building Blocks Constructing Biomass-based Porous Structured Particles and their Protein Adsorption Performance, ACS Sustainable Chemistry & Engineering (IF = 7.63), 8(50), 18686–18695 (2020).
• A. M. Rahmatika et al., Silica-Supported Carboxylated Cellulose Nanofibers for Effective Lysozyme Adsorption: Effect of Macropore Size, Advanced Powder Technology (IF = 4.21), 31(7), 2932-2941, (2020).
• A. M. Rahmatika et al., TEMPO-Oxidized Cellulose Nanofiber (TOCN) decorated macroporous silica particles: synthesis, characterization, and their application in protein adsorption, Materials Science and Engineering: C (IF=4.959), 105, 110033 (2019).

気中での多糖類の微粒子構造化

Structuring of polysaccharide microparticles in the gas phase

詳細は、下記の論文を参照ください。

Publications in the area:

• R. N. Chamida et al., Template-assisted spray-dried macroporous pectin as a natural matrix for enhanced menthol retention and sustained release, Advanced Powder Technology (IF = 4.2), in press
• R. N. Chamida et al., Preservation of Menthol Flavor in Various Spray-Dried Polysaccharide Matrices and Their Interactions, ACS Food Science & Technology (IF = 2.8), 6(2)240-252(2026).
• T. T. Nguyen et al., Porous Pectin Particle Formation Utilizing Spray Drying with a Three-Fluid Nozzle, Powder Technology (IF = 5.2), 440, 119782, (2024) 
• T. T. Nguyen et al., Rapid Indomethacin Release from Porous Pectin Particles as a Colon Targeted Drug Delivery System, ACS Applied Bio Materials (IF=4.7), 6 (7) 2725-2737 (2023).
• T. T. Nguyen et al., Enhanced Protein Adsorption Capacity of Macroporous Pectin Particles with High Specific Surface Area and an Interconnected Pore Network, ACS Applied Materials & Interfaces (IF=9.229), 14, 12, 14435-14446, (2022).
• T. T. Nguyen et al., Synthesis of High Specific Surface Area Macroporous Pectin Particles by a Template-Assisted Spray Drying, Langmuir (IF=3.557), 37(14), 4256-4266, (2021).

微粒子集合体のポリマーコンポジット化と受動的昼間放射冷却材料への応用

Polymer composite fabrication of fine particle assemblies and their application to passive daytime radiative cooling materials

詳細は、下記の論文を参照ください。

Publications in the area:

• H. T. N. Le et al., Enhancing Passive Radiative Cooling Performance on Solar Panels via Multiple Scattering Effects in Aggregated Silica particles/Polydimethylsiloxane films, ACS Photonics (IF = 6.7), 13(4)1108-1121(2026).

窒素ドープカーボンドットの開発

Research on N-dope Carbon dots

本研究室では、クエン酸と尿素と水を混合し、水熱合成することで、窒素が複合されたナノサイズのカーボン粒子（カーボンドット）の合成に成功しました。この材料を利用して、紫外線吸収フィルムやがんの温熱治療へ向けた赤外吸収特性の評価を行いました。詳細は下記論文をご参照下さい。

Publications in the area:

• M. Hegazy et al., Rapid Microwave Synthesis of Licorice-Derived Carbon Quantum Dots as UV-Blockers for Food Packaging Applications, Diamond & Related Materials (IF = 5.1), 162,113291(2026).
• D. A. M. Muyassiroh et al., Machine Learning-Guided Synthesis of Room-Temperature Phosphorescence Carbon Dots for Enhanced Phosphorescence Lifetime and Information Encryption, ACS Applied Nano Materials (IF = 5.9), 7, 5465-5475 (2024).
• F. A. Permatasari et al., New insight into pyrrolic-N site effect towards the first NIR window absorption of pyrrolic-N-rich carbon dots, Nano Research (IF=10.269), (2023).
• R. Umami et al., A rational design of Carbon Dots via the combination of Nitrogen and Oxygen Functional Groups toward the first NIR window Absorption, Journal of Materials Chemistry C (IF=7.393), 10, 1394-1402, (2022). 
• C. Yang, et al., Biodegradable Polymer-Coated Multifunctional Graphene Quantum Dots for Light-Triggered Synergetic Therapy of Pancreatic Cancer, ACS Applied Materials & Interfaces (IF= 8.097), 11(3), 2768-2781, (2019).
  
• F.A. Permatasari, F. Nakul, T. Mayangsari, A. Aimon, B. Nuryadin, S.Z. Bisri, Z. Satria, T. Ogi, F. Iskandar(+)*, Solid-state Nitrogen-doped Carbon Nanoparticles with Tunable Emission Prepared by Microwave-assisted Method, RSC Advances (IF=3.267), 11, 39917-39923, (2021).
• F. Permatasari et al., Design of Pyrrolic-N-rich Carbon Dots with Absorption in the First Near-Infrared Window for Photothermal Therapy, ACS Applied Nano Materials, 1(5), 2368-2375 (2018). 
• U. Saleem et al., Surface Plasmon Enhanced Nitrogen-doped Graphene Quantum Dots Emission by Single Bismuth Telluride Nanoplates, Advanced Optical Materials, 1700176, 1-6 (2017). 
• S. C. Hess et al., One-Pot Reaction and Preparation of Transparent UV-Blocking Films, Journal of Materials Chemistry A, 5, 5187-5194 (2017). 

• T. Ogi et al., Kinetics of nitrogen-doped carbon dot formation via hydrothermal synthesis, New Journal of Chemistry, 40, 5555-5561 (2016).

• F. A. Permatasari et al., Role of C–N Configurations in the Photoluminescence of Graphene Quantum Dots Synthesized by a Hydrothermal Route, Scientific Reports, 6, 21042 (2016). 

• T. Ogi et al., Transient Nature of Graphene Quantum Dot Formation via a Hydrothermal Reaction, RSC Advances, 4, 55709-55715 (2014). 

CO2吸脱着剤の開発

Development of CO₂ adsorbents/desorbents

詳細は、下記の論文を参照ください。

Publications in the area:

• K. A. L. Cao et al., Correlation between pore characteristics and high-performance carbon dioxide capture of sustainable porous carbon derived from Kraft lignin and potassium carbonate, Energy & Fuels (IF=5.2), 39(13), 6372-6387(2025).
• T. V. Pham et al., Facilitating Gas Accessibility via Macropore Engineering in Amine Loaded Silica Particles for Enhanced CO2 Adsorption Performance, Energy & Fuels (IF = 5.2), 38(17), 16743-16755 (2024)

 火炎プロセスによるナノ構造化微粒子材料の合成

Flame Synthesis of Nanostructured Particles

詳細は、下記の論文を参照ください。

Publications in the area:

• Tomoyuki Hirano*, Takama Tsuboi, Thi Thanh Nguyen Ho, Eishi Tanabe, Aoi Takano, Mikihiro Kataoka, Takashi Ogi*, Macroporous Structures of Nb–SnO2 Particle as a Catalyst Support Induce High Porosity and Performance in Polymer Electrolyte Fuel Cell Catalyst Layers, Nano Letters (IF = 9.6), 24(34), 10426–10433 (2024).
• Tomoyuki Hirano*, Takama Tsuboi, Thi Thanh Nguyen Ho, Eishi Tanabe, Aoi Takano, Mikihiro Kataoka, and Takashi Ogi*, Porosity Engineering of Pt Loaded Nb-SnO2 Catalyst Layers in Polymer Electrolyte Fuel Cells, ACS Applied Energy Materials (IF = 6.959), 6(24), 12364–12370 (2023).
• Thi Thanh Nguyen Ho, Tomoyuki Hirano*, Aoi Takano, Syu Miyasaka, Eishi Tanabe, Makoto Maeda, Eka Lutfi Septiani, Kiet Le Anh Cao and Takashi Ogi*, Conductive RuO2 Binders Enhance Mechanical Stability of Macroporous Nb-SnO2 Particles as Cathode Catalyst Supports for High-Performance PEFCs, RSC Applied Interfaces (IF=N/A), 2, 795-807(2025).
• Tung Van Pham, Tomoyuki Hirano*, Eishi Tanabe, Eka Lutfi Septiani, Kiet Le Anh Cao, and Takashi Ogi, Tailored Nanoscale Structure of Flame-made Antimony Doped Tin Oxides and Their Near-Infrared Shielding Properties, Nanoscale (IF = 5.8), 17, 13366-13377(2025). (Ac2025/04/29, Pb2025/04/30). Q1 DOI: 10.1039/D4NR05289G

火炎合成プロセスの設計

Process Design of Flame Synthesis

詳細は、下記の論文を参照ください。

Publications in the area:

• Tomoyuki Hirano, Jun Kikkawa, Febrigia Ghana Rinaldi, Kenshi Kitawaki, Daisuke Shimokuri, Eishi Tanabe, Takashi Ogi*, Tubular Flame Combustion for Nanoparticle Production, Industrial & Engineering Chemistry Research, 58 (17), 7193-7199, 2019.
• Tomoyuki Hirano, Jun Kikkawa, Daisuke Shimokuri, Asep Nandiyanto, Takashi Ogi*, Sinter-Necked, Mixed Nanoparticles of Metallic Tungsten and Tungsten Oxide Produced in Fuel-Rich Methane/Air Tubular Flames, Journal of Chemical Engineering of Japan, 54 (10), 557-565, 2021.
• Tomoyuki Hirano, Shogo Kaseda, Kiet Le Anh Cao, Ferry Inskandar, Eishi Tanabe, and Takashi Ogi*, Multiple ZnO Core Nanoparticles Embedded in TiO2 Nanoparticles as Agents for Acid Resistance and UV Protection, ACS Applied Nano Materials, 5 (10), 15449–15456, 2022.
• Tomoyuki Hirano, Delyana Ratnasari, Ryuta Hasuno, Tung Van Pham, Eka Lutfi Septiani, Kiet Le Anh Cao, Takashi Ogi, Three-Fluid Nozzle Flame Spray Pyrolysis of Li4Ti5O12 nanoparticles, Powder Technology, 465, 121280, 2025.

火炎プロセスによる高機能性ガラスの合成

Flame Synthesis of Functional Glass Materials

詳細は、下記の論文を参照ください。

Publications in the area:

• Tue Tri Nguyen, Tomoyuki Hirano*, Kodai Fusatani, Tung Van Pham, Kazuki Mizutani, Takahisa Katou, and Takashi Ogi*, Customizable Flame-Spheroidized Submicron Glass Particles with Controlled CaO-Al2O3-SiO2 Compositions, Journal of the American Ceramic Society, 108(9), e20638, 2025.
• Kiet Le Anh Cao, Yusuke Kito, Phong Hoai Le, Takashi Ogi*, Tomoyuki Hirano*, Synthesis of spherical β-quartz solid-solution particles derived from cordierite using a flame process, ACS Applied Engineering Materials (IF=N/A), 1(7), 1789-1798, 2023.

ゼオライトナノ粒子のポーラス構造化とトルエン吸脱着能

Porous structuring of zeolite nanoparticles and their toluene adsorption–desorption properties

噴霧法を用いてTiO2コートZnO微粒子の合成

液相法によるポーラス / 中空 / コアシェル微粒子の合成に関する研究

Research on porous/hollow/core-shell particles via liquid phase

微生物 / アミノ酸を用いたレアメタルの回収に関する研究

Research on Recovery and recycling of rare-metal by using microbe / amino acid

本研究では、鉄還元細菌や大腸菌のバイオソープションやバイオ峰ラリゼーションを利用して、液相中からレアメタル（金、パラジウム、タングステンなど）を回収する研究を実施しました。当研究室では、この現象からヒントを得て、アミノ酸を用いたポリオオキソ酸の沈殿が促進させる作用を発見しました。これにより、使用済みタングステンスクラップの溶液にリジンを用いることで、タングステンを高純度で回収し、世界で初めて、超硬工具までのリサイクルすることに成功しました。詳細は下記論文をご参照下さい。

Publications in the area:

• T. Ogi et al., A simple, rapid, and environmentally friendly method for selectively recovering tantalum by guanidine-assisted precipitation, ACS Sustainable Chemistry & Engineering, 6(8), 9585-9590 (2018).
  
• T. Makino et al., Recovery and Recycling of Tungsten by Alkaline Leaching of Scrap and Charged Amino Group Assisted Precipitation, ACS Sustainable Chemistry & Engineering, 6(3), 4246-4252 (2018). 
  
• T. Ogi et al., Facile and efficient removal of tungsten anions using lysine-promoted precipitation for recycling high-purity tungsten, ACS Sustainable Chemistry & Engineering, 5(4), 3141-3147 (2017). 
  
• T. Ogi et al., Heat-treated Escherichia coli as a high-capacity biosorbent for tungsten anions, Bioresource Technology, 218, 140-145 (2016). 
• T. Ogi et al., Selective Biosorption and Recovery of Tungsten from an Urban Mine and Feasibility Evaluation, Industrial & Engineering Chemistry Research, 55(10), 2903-2910 (2016). 
• T. Ogi et al., Biosorption of tungsten by Escherichia coli for environmentally friendly recycling system, Industrial and Engineering Chemistry Research, 52 (40), 14441-14448 (2013). 

• T. Ogi et al., Recovery of indium from aqueous solutions by the Gram-negative bacterium Shewanella algae, Biochemical Engineering Journal, 63(15), 129-133 (2012).

• T. Ogi et al., Direct room-temperature synthesis of a highly dispersed Pd nanoparticle catalyst and its electrical properties in a fuel cell, Powder Technology, 36(4) 288-292 (2011).
  

• K.Tamaoki et al., Microbial reduction and recovery of palladium using metal Ion-reducing bacterium Shewanella algae, Kagaku Kogaku Ronbunshu, 36(4), 288-292 (2010).
  

• T. Ogi et al., High yield synthesis of single-crystalline gold nanoplates using the metal ion-reducing bacteria, Transactions of the Materials Research Society of Japan, 35(1), 19-22 (2010).
  

• T. Ogi et al., Room-temperature synthesis of gold nanoparticles and nanoplates using Shewanella algae cell extract, Journal of Nanoparticle Research, 12, 2531-2539 (2010).
  

レアアースフリーBCNO蛍光体の開発

Research on rare-earth free BCNO phosphor

本研究室では、世界で初めてレアアースを使用しない蛍光体BCNOの開発に成功しました。この蛍光体はホウ素(B)、炭素(C)、窒素(N)、酸素(O)という自然界に豊富な元素で構成され、高価なレアアースを使用しません。BCNO蛍光体は、ホウ酸、尿素、ポリエチレングリコール(PEG)を超純水で溶解して調製した原料溶液を電気炉にて焼成することで合成できます。この蛍光体は高い量子効率で発光し、組成比を変えるだけで可視光領域でのフルカラー発光が可能という特徴を持っています。詳細は下記論文をご参照下さい。

Publications in the area:

• H. Iwasaki et al., Microwave synthesis of homogeneous and highly luminescent BCNO nanoparticles for the light emitting polymer materials, Journal of Luminescence, 166, 148-155 (2015). 
• T. Ogi et al., Direct White Light Emission from a Rare-Earth-Free Aluminium-Boron-Carbon-Oxynitride Phosphor, Journal of Materials Chemistry C, 2(21), 4297-4303 (2014). 
  
• B. W. Nuryadin et al., Photoluminescence Optimization of BCNO Phosphors Synthesized Using Citric Acid as a Carbon Source, Advanced Powder Technology, 25(3), 891-895 (2014).
• I. D. Faryuni, et al., Synthesis and photoluminescence of BCNO/SiO2 nanocomposite phosphor materials, Journal of Luminescence, 148, 165-168 (2014). DOI: 10.1016/j.jlumin.2013.12.033
• T. Ogi et al., Influence of polymer decomposition temperature on the formation of rare-earth free boron carbon oxynitride phosphors, Journal of Chemical Engineering of Japan, 45(12), 995-1000 (2012). 
• A. B. Suryamas et al., Intense green and yellow emissions from electrospun BCNO phosphor nanofibers, Journal of Materials Chemistry, 21, 12629-12631, (2011). 
• W. N. Wang et al., Novel rare-earth-free tunable-color-emitting BCNO phosphors, Journal of Materials Chemistry, 21,5183-5189 (2011).
• Y. Kaihatsu et al., Effect of the carbon source on the luminescence properties of boron carbon oxynitride (BCNO) phosphor particles, Journal of the Electrochemical Society, 157(10), J329-J333 (2010).
• T. Ogi et al., Facile synthesis of new full-color-emitting BCNO phosphors with high quantum efficiency, Advanced Materials, 20(17), 3235-3238 (2008).

TiOx, WOx ナノ粒子の合成に関する研究

Research on TiOx and WOx nanoparticles

詳細は下記論文をご参照下さい。

Publications in the area:

• F. G. Rinaldi et al., Correlations between reduction degree and catalytic properties of WOx nanoparticles, ACS Omega, 3(8), 8963-8970 (2018). 
  
• F. G. Rinaldi et al., Strong Metal-Support Interactions (SMSIs) between Pt and Ti3+ on Pt/TiOx Nanoparticles for Enhanced Degradation of Organic Pollutant, Advanced Powder Technology, 28 (11), 2987-2995 (2017). 
• A. F. Arif　et al., Highly conductive nano-sized Magnèli phases titanium oxide (TiOx), Scientific Reports, 7, 3646 (2017).

WO3微粒子の光触媒特性に関する研究

Research on synthesis of WO3 particles and their photocatalytic performance

詳細は下記論文をご参照下さい。

Publications in the area:

• O. Arutanti et al., Synthesis of Composite WO3/TiO2 Nanoparticles by Flame-assisted Spray Pyrolysis and Their Photocatalytic Activity, Journal of Alloys and Compounds, 59(5), 121–126 (2014). 
  
• O. Arutanti et al., Controllable crystallite and particle sizes of WO3 particles prepared by a spray-pyrolysis method and their photocatalytic activity, AlChE Journal, 60(1), 41-49 (2014). 
• A. B. D. Nandiyanto et al., Synthesis of Spherical Macroporous WO3 Particles and Their High Photocatalytic Performance, Chemical Engineering Science,101(20), 523-532 (2013). 
• H. Widiyandari et al., CuO/WO3 and Pt/WO3 nanocatalysts for efficient pollutant degradation using visible light irradiation, Chemical Engineering Journal, 180(15), 323-329, (2012).
• A. Purwanto et al., Role of particle size for platinum-loaded tungsten oxide nanoparticles during dye photodegradation under solar-simulated irradiation, Catalysis Communications, 12, 525-529 (2011).

静電紡糸法によるナノファイバーの合成に関する研究

Research on nanofiber via electrospinning

詳細は下記論文をご参照下さい。

Publications in the area:

• R. Balgis et al., Enhanced Aerosol Particle Filtration Efficiency of Nonwoven Porous Cellulose Triacetate Nanofiber Mats, ACS Omega, 3(7), 8271-8277, (2018).
• R. Balgis et al., Synthesis of Dual-Size Cellulose-Polyvinylpyrrolidone Nanofiber Composites via One-Step Electrospinning Method for High-Performance Air Filter, Langmuir, 33(24), 6127-6134 (2017). 
  
• L. Bao et al., Verification of Slip Flow in Nanofiber Filter Media through Pressure Drop Measurement at Low-Pressure Conditions, Separation and Purification Technology, 159, 100-107 (2016). 
• R. Balgis et al., Synthesis and evaluation of straight and bead-free nanofibers for improved aerosol filtration, Chemical Engineering Science, 137, 947-954 (2015).
• S. Sago et al., In situ growth of Pt nanoparticles on electrospun SnO2 fibers for anode electrocatalyst application, Materials Letters,105(15), 202-205 (2013).
• T. Ogi et al., Morphology-controlled synthesis of electrospun nanofibers and their application for aerosol filtration, Kagaku Kogaku Ronbunshu, 40(2), 1-6 (2014).
• A. B. Suryamas et al., Electrospun Pt/SnO2 nanofibers as an excellent electrocatalysts for hydrogen oxidation reaction with ORR-blocking characteristic, Catalysis Communications, 33, 11-14 (2013).

ポリマー粒子の合成に関する研究

Research on polymer particles synthesis

詳細は下記論文をご参照下さい。
Publications in the area:

• L. Ernawati et al., Role of acetone in the formation of highly dispersed cationic polystyrene nanoparticles, Chemical and Process Engineering, 38(1), 5-18 (2017). 
• A. B. D. Nandiyanto et al., Size- and Charge-controllable Polystyrene Spheres for Templates in the Preparation of Porous Silica Particles with Tunable Internal Hole Configurations, Chemical Engineering Journal, 256, 421-430 (2014). 
  
• A.B.D. Nandiyanto et al., Influences of surface charge, size, and concentration of colloidal nanoparticles on fabrication of self-organized porous silica in film and particle forms, Langmuir, 29(21), 6262-6270 (2013).
• A. B. D. Nandiyanto et al., Synthesis of additive-free cationic polystyrene particles with controllable size for hollow template applications, Colloids and Surfaces A: Physicochemical and Engineering Aspects, 396, 96-105, (2012).
  

ビーズミルによるナノ粒子分散に関する研究

Research on nanoparticles dispersion using beads mill

詳細は下記論文をご参照下さい。

Publications in the area:

• T. Ogi et al., Recent progress in nanoparticle dispersion using bead mill, KONA Powder and Particle Journal, 34, 3-23 (2017). 
• R. Zulhijah et al., Low-Energy Bead-Mill Dispersion of Agglomerated Core-Shell α -Fe/Al2O3 and α″-Fe16N2/Al2O3 Ferromagnetic Nanoparticles in Toluene, Langmuir, 31(22), 6011-6019 (2015). 
  
• T. Tahara et al., Low-energy bead-milling dispersions of rod-type titania nanoparticles and their optical properties, Advanced Powder Technology, 25(5), 1492-1499 (2014). 
• T. Tahara et al., Change in Characteristics of Titania Nanoparticles during the Process of Dispersion, Agglomeration and Re-dispersion with a Dual-axis Beads-Mill, Kagaku Kogaku Ronbunshu, 39 (5), 426-432 (2013). 
• I. M. Joni et al., Synthesis of a colorless suspension of TiO2 nanoparticles by nitrogen doping and the bead mill dispersion process, Industrial & Engineering Chemistry Research, 52 (2), 547-555 (2012). 
• I. M. Joni et al., Decolorization of beads-milled TiO2 nanoparticles suspension in an organic solvent, Advanced Powder Technology, 23(1), 55-63 (2012). 
• I. M. Joni et al., Surface functionalization for dispersing and stabilizing hexagonal boron nitride nanoparticle by bead milling, Colloids and Surfaces A:Physicochemical and Engineering Aspects, 388(1-3), 49-58 (2011).