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110th General Meeting of Korean Chemical Society Preparation of ITO powder from waste ITO target

Submission Date :
8 / 30 / 2012 , 16 : 14 : 19
Abstract Number :
110083014468
Presenting Type:
Poster Presentation
Presenting Area :
환경에너지
Authors :
최동철, 손용근
성균관대학교 화학과, Korea
Assigned Code :
ENVR.P-1514 Assigend Code Guideline
Presenting Time :
10월 17일 (수요일) 16:00~19:00
LCD, a flat panel display, is used widely in most of modern instruments such as TV, cell phone, camera, car navigation system, and etc. ITO glass is one of the most important parts of the LCD. The ITO glass is a transparent electrode can apply voltage between both end of liquid crystal. In and Sn are most important elements used in ITO glass fabrication. As the production grows in LCD industry, the price of those elements are raised rapidly. Especially these days several counties in the world monopolize the In and Sn market. So It is very important to secure the supply of these resources. One way to avoid the supply difficulty is the recycling methode of the materials for the discarded IT instruments or waste or sludge of the sputtering target. We have tried to prepare ITO powder from the waste of ITO target for resource recycling purpose. ITO powder was successfully prepared by using In/Sn hydroxide coprecipitation and heat treatment up to 300℃ for 24hr. XPS, EDX, XRD, TGA and ICP were done for this sample.
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)