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학술발표회초록보기

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  • 09월 06일 15시 이후 : 초록수정 불가능, 일정확인 및 검색만 가능

제112회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Characteristics of recovered ITO and glass substrate from discarded TFT-LCD

등록일
2013년 9월 5일 11시 58분 25초
접수번호
1361
발표코드
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발표시간
10월 16일 (수요일) 16:00~19:00
발표형식
포스터
발표분야
환경에너지
저자 및
공동저자
최동철, 손용근*
성균관대학교 화학과, Korea
Indium tin oxide (ITO) has been widely used in transparent conductive electrode for display. Futhermore, glass substrate is considered as an important material because it takes about 8% of total price of TFT-LCD panel. In this study, our interests were focused on the recovery of ITO and glass substrate from discarded display. Recovery of ITO was done by electrochemical methods mainly chronopotentiometry. After removing of ITO, upper layer of the TFT-LCD did not show any electrical conduction. The color filter and black matrix were removed from TFT-LCD by using acid remover. Optical transmittance of recovered glass substrate was about 90% at 380nm to 770nm. Analysis of the ITO was done by using X-ray photoelectron spectroscopy (XPS), Energy dispersive x-ray spectroscopy (EDX) and Inductive coupled plasma (ICP) and Scanning microscope (SEM). This work was supported the Energy & Resource Recycling of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant funded by the Korea government Ministry of Knowledge Economy (No.2010501010002B)

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