Development of microdevices for exact evaluation of nucleation and growth processes to produce high-quality metal oxide nanoparticles

2015 Fiscal Year Final Research Report

• Project/Area Number: 23686113
• Research Category: Grant-in-Aid for Young Scientists (A)
• Allocation Type: Single-year Grants
• Research Field: Reaction engineering/Process system
• Research Institution: National Institute of Advanced Industrial Science and Technology
• Principal Investigator: Sue Kiwamu 国立研究開発法人産業技術総合研究所, 化学プロセス研究部門, 主任研究員 (60333845)
• Research Collaborator: AOKI Mitsuko ; ONO Takeshi ; SATO Takafumi ; HAMANE Daisuke ; KAWASAKI Shin-ichiro ; HAKUTA Yukiya ; TAKASHIMA Hiroshi ; OHARA Motohiro ; TAKEBAYASHI Yoshihiro ; YODA Satoshi ; FURUYA Takeshi ; SATO Toshiyuki ; HIAKI Toshihiko ; HATAKEDA Kiyotaka ; KÖLBL Andreas ; KRAUT Manfred ; DITTMEYER Roland
• Project Period (FY): 2011-04-01 – 2016-03-31
• Keywords: マイクロミキサ / マイクロ流体デバイス / 酸化物 / ナノ粒子 / 核発生 / 成長 / 連続製造 / 高温高圧水

Outline of Final Research Achievements

Exact control of nucleation and growth processes is important for producing high-quality metal oxide nanoparticles with desirable properties (particle size, distribution, structure, composition) in the continuous hydrothermal synthesis method. We developed high-temperature and high-pressure microdevices for reducing heterogeneous nucleation in the devices and altitude control of nucleation process. We carried out nanoparticles production from both homogeneous and heterogeneous mixtures of starting materials, clarified the formation mechanisms, and examined the two-stage system for supplying starting solutions to control growth process. On the basis of the results, the design method of desirable nanoparticles was studied.

Free Research Field

化学工学