This study highlights the role of voltage and magnetite (Fe3O4) nuclei in particle formation. 本研究では、電圧とマグネタイト（Fe3O4）核の役割に焦点を当てています。
Tag: Electrochemistry
Published) Harnessing anodizing & Electrodeposition: A synergy for enhanced H2 production 相乗効果： 陽極酸化と電気めっきが水素生産を向上させる
Lead-author: TUAT Visiting Fellow, Riski A. N. Utama. “Enhancing the Photoelectrochemical Activity of CuO/ZnO Junction Photocathodes for Water Splitting” 光電気化学（PEC）水分解のためのCuO/ZnO異種接合光陰極
[VISITOR] From Institut Teknologi Sepuluh Nopember ITS Indonesia
From Nov. 2023 to February 2024: Riski A. N. Utama, a visiting PhD student. Topic: Electrochemical synthesis for energy materials And from 15 Dec. to 20 Dec. 2023: Dr. Heru Setyawan (Professor of Chemical Engineering)
開発の事例：微粒子の合成と構造化 Example of Technology: Synthesis & Structuring of Particles (2018-2019)
浮遊する微粒子の構造化と集積化について、従来まで考証されていなかった物質の輸送に対する「駆動力のバランス」の視点からの技術手法を開発した。We have developed methods for synthesis & structuring suspended particles from the viewpoint of “balance of the driving force on the transport of matter”, which has not been considered before.
回転×電気化学で粒子の合成法, コスメ企業と特許出願 Rotary-electrochemical method: Patent
TUAT & CBIC submitted a patent on producing calcium phosphate particles. 農工大とシービックで特許「リン酸カルシウム」。生体性の高い材料 Biomaterials.
Producing magnetite nanoparticles: Saving resources, Electrode design. 磁鉄鉱粒子製造の省資源化：電極設計
◆環境に優しい（磁性）ナノ粒子製造プロセスを提案。◆水と鉄（電極）以外に化学薬品は必要ない
*Environmentally friendly process for (magnetic) nanoparticles. *No chemicals are needed, except water and iron (electrode).
光学的物性も制御可。荷電相互作用粒子堆積技術 (Patent) Charge-Interactive Particle Deposition: Controlling Optical Properties.
Charge of colloidal particles vs. charge of their aerosols. 特許出願（2018年）コロイド粒子の表面電荷と気相中の懸濁液滴の帯電との相互作用
A doctoral student presented in Asian Aerosol Conference 2017 (Jeju, Korea)博士学生が韓国で発表した。
Presenter: F. Faizal (Doctoral student),Co-author:S. Yokote (Master-student),M. P. Khairunnisa (former doctoral student, now with Ministry of Higher Education, Malaysia),W. Lenggoro “Direct- and Electrospray-Depositions of Particles Derived from Burning Candles” DATE: JULY 2 – 6, 2017, VENUE: ICC JEJU, JEJU, KOREA * Presentation by student >> LIST
Collection of particles in tap water by electrophoresis. 電気泳動法で水道水中の微粒子の採集
Other “intro” of papers from our lab >> /tag/paper/ Removal of iron-oxide particles after post-filtration in local potable water using an electrophoretic method Collaborated with: Univ. Putra Malaysia; Univ. Teknologi MARA, Malaysia Journal of Water Process Engineering: Vol. 9, Feb. 2016, Pages 208–214. doi: Full text/PDF: Researchgate, or here Keywords: Electrophoretic deposition; Fibre electrodes; Limiting flux;…
卒業生が教員）バンドン工科大学を訪問..Visited Chemical Engineering ITB, Bandung, met Dr. Pramujo.
2015/Sept/3: Lenggoro visited Dept. of Chemical Engr. ITB, with 8 fellows (including 4 CEOs) from Society of Powder Technology Japan. A lecturer, Dr. Pramujo Widiatmoko (a TUAT Alumnus) kindly welcomed us. ……….. Link between our group and ITB : 当研究室とITBとの関係: /tag/itb/
NanoSERS AeroMapper: 粒子散布による有機分子層のマッピング技術：Mapping by Aerosol “Probes”（100 nm分解能）
We use aerosol “probes” to map molecular layers down to under 100 nm, and SERS lets us “see” the surface patterns. 空中エアロゾル”プローブ”を用いて100 nm未満の分子層をマッピングし、SERSによって表面パターンを「見る」ことができる。
Plant-derived materials for battery. グルコース添加の合成で電池用粉末は「質」が向上
Without a milling process (break-down) process, Lithium-battery material can be synthesized, in submicron size (100-600 nm) through glucose-assisted combustion synthesis.（植物由来原料）グルコースを添加した新しい「燃焼合成法」により二次電池用粉末をサブミクロンサイズで合成できた。
電気泳動で粒子を水中の100 nm細孔に押し込む Electrophoresis to Drive Particles into 100 nm Pores in Water
Aqueous, no harmful chemicals. 水系媒体のみを使用し、有害な化学薬品を必要としない
博士Thesis: Role of substrate in particle deposition. 粒子沈着における表面性状の役割
The role of chemical and physical properties of substrate in the deposition of particles
粒子の沈着における基板表面の物理的・化学的特性の役割
A Visiting Scholar: Prof. Heru Setyawan
On 2013 Nov.1-2: We welcomed Dr. Heru Setyawan Professor, Department of Chemical Engineering, Sepuluh Nopember Institute of Technology (ITS). He was also our visiting fellow in November 2009. ITS is a recognized top university in Indonesia. Lab Website
Student presented (in Osaka): Electroplating. 液中粒子状膜（学生が学会発表）2013
2013 Oct. 8-9, Osaka. 粉体工学会2013年度秋期研究発表会 電解めっきを伴う電気泳動法による金属粒子状膜の形成 発表者= M1.内藤恵介 Formation of particulate metallic layer by electrophoretic deposition synchronized with electroplating (Naito, Keisuke & Wuled Lenggoro) Society of Powder Technology Autumn Meeting 2013 Other presentations by students. = Other presentations from our group
Thermal stability of magnetite particles made by an electrochemical method/ 電気化学法で合成した磁鉄鉱粒子の熱安定性
Surface modifications have been conducted by coating the nanoparticles with silica by a one-step synthesis in dilute sodium silicate solution. 希薄ケイ酸ナトリウム溶液中での一段階合成によりナノ粒子をシリカで被覆することにより表面改質を行った。
Visiting doctoral student: Adrian Nur (Oct.-Dec. 2012) 訪問研究者（博士課程）
ADRIAN NUR (アドリアン ヌール) Visiting doctoral student / visiting fellow (October to December 2012) A doctoral student of Chemical Engineering, Institut Teknologi Sepuluh Nopember (ITS) (セプルノペンバー工科大学), Indonesia, with supervision of Prof. Heru Setyawan (also TUAT visitor Oct.-Nov. 2009), and with same program with Ms. Fauziatul Fajaroh (also a TUAT visitor Oct.-Dec. 2010). Also, an academic staff…
Silica-coated magnetite particles by electrooxidation/ 電解酸化で磁性粒子の合成
Method: Electrochemical method.
Material: Silica-coated magnetite nanoparticles
Size: 6 to 10 nm
Property: superparamagnetic
方法: 電気化学的
材料: シリカ被覆マグネタイト
粒子サイズ:6-10nm
特性: 超常磁性
水中コロイド用パルス型電気泳動膜形成技術 Pulse-Electrophoretic Nanofilm Deposition in a Water Sample (Patent)
金属ワイヤー上にナノ粒子膜を均一に形成します。Uniform deposition of nanoparticle films onto metal wires.
Open Seminar by Dr. H. Setyawan – Synthesis of nanoparticles
2009/11/5: インドネシアの大学からの客員教授の講演会 TUAT-BASE Visiting scholar – Dr. Heru Setyawan Professor, Dept. of Chemical Engineering, Sepuluh Nopember Institute of Technology (ITS), Indonesia: Title = Synthesis of nanoparticles by a novel electrochemical method. 新規電気化学法によるナノ粒子の合成 Place: BASE, 2nd Floor Meeting room, Koganei, TUAT
"Particles & Transfer" Lab. 微粒子・移動現象 