Organic Solar Cells
Transkript
Organic Solar Cells
Thin Film Physics Research Group Prof. Dr. Kubilay Kutlu, Assoc. Dr. Orhan Özdemir Si Based Solar Cells a-Si:H/c-Si Heterojunction Solar Cells Deneb Menda High Dielectric Constant Materials Electrochromism Pınar Gökdemir Ece Yüzbaşıoğlu MOS Structures Evrim Saatci Ahmet Yasin Atalay Organic Materials Organic Solar Cells OLED Assis. Prof. . Dr. Pelin Kavak Nursel Can Organic Transistors Dr. Çiğdem Yumuşak Si Based Solar Cells • a-Si:H/c-Si Heterojunction Solar Cells: Heterojunction solar cells in (p)a-Si:H/(i)a-Si:H/n-c-Si structures are produced at (HIT: Heterojunction with intrinsic thin layer) TUBITAK-Materials Institute-FESLAB by PECVD (Plasma Enhanced Chemical Vapor Deposition) system. The structural and electrical properties are investigated in FESLAB and YTU Physics Department Semiconductor Electronics Lab. Panasonic holds the world record of cell efficiency for HIT solar cells with 24,7% conversion efficiency. High Dielectric Constant Materials Electrochromism: Materials changing their colors under electrical field. MOS Yapılar: Metal/Oxide/Semiconductor structures, production and characterization. Production of V2O5 and TiO2 films by dip-coating, electrical and structural characterization. Dip-Coating • Electrochemical Analysis: Cycling Voltammetry • Optical Analysis: UV-Visible Transmission • Electrical Analysis: I-V, C-V measurements Electrical Measurement Electrochromic measurement Organic Materials • Organic Solar Cells • OLED: Organic Light Emitting Diodes • Organic Transistors Film Growth by Spin Coating Solar Cell Characterization by Solar Simulator OLED Characterization