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[2018 05 02] 정기세미나 9th

Advanced Materials and Devices Using Ionic Liquids and Polymers

관리자 | 2018.04.30 09:14 | 조회 280


Advanced Materials and Devices Using Ionic Liquids and Polymers

 

 Date: 2018. 05. 02(WED) , 17:00 ~ 18:15

 Place: Science Building, Room.202 Multimedia Room

 Speaker: Prof. Masayoshi Watanabe (Yokohama National University)

Host of a Seminar: Prof. Youn Soo Kim

 

Speaker Language: English

 

Abstract:

 

Ionic liquids (ILs) are ambient temperature molten salts, which have attracted considerable attention

owing to their unique properties. In this contribution, we review advanced materials composed of ILs

and polymers for the basis of a new design protocol to fabricate novel materials. As electrolytes for

electrochemical devices, cross-linked polymers containing ILs (ion gels) are endowed with functional

properties inherited from ILs and mechanical consistency derived from polymers. To create such

materials, micro-phase separation of block copolymers and colloidal arrays in the ILs are utilized.

Based on the molecular design of task-specific ILs, the resultant ion gels are applicable as electrolytes

for actuator, fuel cell, and secondary battery applications. Thermo- and photo-responsive polymers in

ILs are also highlighted, whereby such stimuli elicit changes in the solubility of the self-assembly of

block copolymers and colloidal arrays in the ILs. Further, thermo- and photo-reversible changes in the

self-assembled structure can be exploited to demonstrate sol-gel transitions and fabricate photohealable

materials.


 

 

Department of Materials Science and Engineering



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