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.
Tag: Electrochemistry
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).
Surface charge of colloid & electrosprayed droplet interact. コロイドの表面電荷と静電噴霧した液滴の電荷との相互作用
Interaction between surface charge of colloidal particles and their charged aerosol droplets is investigated for the first time. 液中のナノ粒子の表面電荷と気相中操作により懸濁液滴の荷電（電荷）の間の相互作用。世界で初めての研究。
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/
Spraying particles + Surface-Enhanced Raman Scattering = `Probing organic molecules. 粒子散布とSERS法による分子層を可視化する新計測法
World-1st. Nanoparticle sensor system for probing organic molecules. Sub-100 nm resolution . 世界初。応用は残留農薬, PM2.5, 半導体表面の検査など
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。
Can particles in water be immobilized in 100 nm holes? 水中浮遊粒子を100nmの穴に固定化させる？Yes!
水中浮遊粒子を100nmの穴に固定化できるのか？サンドイッチ型複合材料？
2008年に特許出願した技術の応用例。
An example application of our patented Pulse Electrophoretic Deposition (PEPD) Method.
Doctoral presentation 博士公聴会 “Role of substrate in particle deposition” 粒子沈着における基板性状の役割, Aug. 2014,
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 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 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
Patent) How to form uniform nanoparticle layers on metal wire. 金属ワイヤー上に均一な粒子層を形成する方法
光触媒としての活性を有する酸化チタンを含む被膜であって、十分な膜質を有するものを密着性よく、導電性の基材表面に付着させる。A film containing titanium oxide having an activity as a photocatalyst and having a sufficient film quality is adhered to the surface of a conductive substrate with good adhesion.
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. 