화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2009년 가을 (10/08 ~ 10/09, 광주과학기술원 오룡관)
권호 34권 2호
발표분야 에너지변환 및 저장시스템(분자전자 부문위원회)
제목 Inverted Polymer Solar Cell using Polyfluorene Derivative as a Cathode Interfacial Layer
초록 Polymer solar cells (PSCs) are the promising candidates for renewable energy sources. In the present, many research groups have investigated the inverted PSC, in which the electrons are collected by the bottom electrode, such as ITO on substrate. Inverted PSCs have many advantages. More air-stable high work function metal such as Ag, Au can be used as top electrodes instead of air-unstable low work function metals. ITO-free PSC is also possible substituting ITO with high work function metal as bottom electrode. In this work, PCS was based on P3HT:PCBM bulk heterojunction system. Inverted PSC was built on ITO as cathode with the structure of ITO/WPF-oxy-F/active/PEDOT:PSS/Al(or Ag, Au). When WPF-oxy-F as a cathode interfacial layer was coated on ITO, PSC characteristics of Voc, Jsc, FF and efficiency were increased. Detailed studies were performed through current density-voltage (J-V) measurement, and a Kelvin probe was used to investigated to the change of the ITO work function.
저자 김태수, 나석인, 오승환, 조장, 유병관, 김동유
소속 광주과학기술원
키워드 고분자; 유기; 태양 전지; inverted; polymer solar cell
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