氏名

ゲガン レジス

ゲガン レジス

職名

准教授(任期付)

所属

(国際理工学センター)

本属以外の学内所属

学内研究所等

理工学術院総合研究所(理工学研究所)

兼任研究員 2018年-

学歴・学位

学位

博士

外部研究資金

科学研究費採択状況

研究種別:

Hierarchical assemblies based on mixtures of graphene oxides and nonionic surfactants liquid crystalline phases

2019年-0月-2022年-0月

配分額:¥390000

研究種別:

Hierarchical liquid crystal assemblies based on large graphene oxide sheets and nonionic organic compounds

2020年-0月-2023年-0月

配分額:¥4290000

学内研究制度

特定課題研究

Novel nanostructures by mixing inorganic nanosheets and nonionic surfactants membrane as a new way to synthesize porous materials

2018年度共同研究者:SUGAHARA Yoshiyuki

研究成果概要:Two dimensional (2D) atomic crystals or nanosheets resulting from the peeling of inorganic layered materials repres...Two dimensional (2D) atomic crystals or nanosheets resulting from the peeling of inorganic layered materials represent exciting nanomaterials with fascinating properties and diverse potential applications for constructing novel nanomaterials. The stability of the association of dispersion of nanosheets with other colloidal objects such as organic moieties results from a fragile energy landscape with the possibility of phase segregation, and thus the study of such mixtures represents a certain challenge. Beyond the academic interests about the understanding of the stability of these colloids in solution, the association of particles associated with membrane phases made of surfactants, lipids and other apparent biological systems that can mimic cell envelope, may lead to novel microstructures that can be oriented at a macroscopic scale through the assistance of inorganic nanosheets leading to the possibility to fabricate hierarchical oriented composite films for various applications depending on the architectures of the whole colloidal objects.

Hierarchical assemblies based on liquid crystal mixtures of graphene oxides and nonionic surfactants

2019年度

研究成果概要:Nanosheets resulting from the peeling of inorganic layered materials can form, at low concentration in an appropria...Nanosheets resulting from the peeling of inorganic layered materials can form, at low concentration in an appropriate solvent, liquid crystalline (LC) assemblies (such as nematic or lamellar phases for instance) as organic moieties do. These materials can be used as building blocks for further anisotropy and template systems to orientate other colloidal systems such as assemblies made of surfactants where synergetic effects can be expected. Thus, the colloidal mixtures resulting from a delicate balance of both repulsive and attractive forces (excluded volume, electrostatic and Van der Waals forces show interesting hierarchical assemblies that can lead to the preparation of advanced materials.

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