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  • 08월 28일 16시 이후 : 초록수정 불가능, 일정확인 및 검색만 가능

High Efficiency Polymer Tandem Solar Cells Fabricated from All-Solution Process

등록일
2008년 8월 28일 10시 04분 42초
접수번호
1611
발표코드
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발표시간
금 09시 : 00분
발표형식
심포지엄
발표분야
고분자화학 - Chemistry for the Success of Plastic Electronics in Markets
저자 및
공동저자
이광희
광주과학기술원 신소재공학과, Korea
By introducing a titanium oxide (TiOx) layer between the active layer and the aluminum cathode in polymer based electronic devices, we have demonstrated devices with excellent air stability and with enhanced performance. The TiOx layer acts as a shielding and scavenging layer which prevents the intrusion of oxygen and humidity into the electronically active polymers, thereby improving the lifetime of unpackaged devices exposed to air by nearly two orders of magnitude. We have also fabricated polymer tandem solar cells with a power conversion efficiency of 6.5%, with each layer processed from solution. A transparent TiOx layer is used to separate and connect the front cell and the back cell. The TiOx layer serves as an electron transport and collecting layer for the first cell and as a stable foundation that enables the fabrication of the second cell to complete the tandem cell architecture.

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