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학술발표회초록보기

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  • 03월 07일 19시 이후 : 초록수정 불가능, 일정확인 및 검색만 가능

제107회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Printed/Coated Non-volatile Displays with Electrochromic Nanoparticle Ink

등록일
2011년 3월 9일 14시 39분 33초
접수번호
1765
발표코드
KCS1-7 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
금 14시 : 00분
발표형식
심포지엄
발표분야
Advances in Information Display Technology : Materials and Processing
저자 및
공동저자
Tohru Kawamoto, Hisashi Tanaka, Masato Kurihara1, Masatomi Sakamoto1
AIST, Japan, Japan
1Yamagata University, Japan, Japan
Electrochromic displays (ECDs), a reflective one by means of a color change induced by electrochemical reactions, has been attracting keen interest because of its potential application as strong candidate for low-cost, high-volume electronic papers. One of the advantages of the ECDs is the high reflectivity of its white state. We developed the synthesis method of the electrochromic nanoparticles of Prussian blue Fe[Fe(CN)6]x and its metal-substituted analogues. With the nanoparticle, we can control the dispersibility by the surface modification. We synthesized the nanoparticles dispersible into water, alcohols, and organic solvents, indicating that we can fabricate the ECDs with the nanoparticles by coating or printing. Another advantages of the nanoparticle is enhancement of stability in electrochemical reactions. For example, we have succeeded in synthesizing Zn[Fe(CN)6] nanoparticles showing stable electrochemical reactions by reducing its particle size less than 100 nm. Our ECD with Prussian blue nanoparticles exhibits color change between blue and white only with a 1.5 V dry battery even after operations of 1,000,000 times. The reflectivity of the white state is more than 50 %.

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