Photovoltaic properties and exciplex emission of polyphenylenevinylene-based blend solar cells
- 26 February 2007
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 90 (9)
- https://doi.org/10.1063/1.2710474
Abstract
By studying the photoluminescence emission and photovoltaic properties of blends of polyphenylenevinylene (PPV)-based electron donating and accepting polymers, the authors observed a strict anticorrelation between relative exciplex emission in the solid state and photovoltaic efficiency of corresponding blend devices. Comparative studies on defined bilayer geometries showed that the overall shape of the current-voltage characteristics under illumination is independent of device geometry and layer thickness. Consequently, they conclude that the photocurrent in PPV-based blends is mainly determined by the efficiency to form free carriers rather than by free carrier recombination.Keywords
This publication has 16 references indexed in Scilit:
- Relation between exciplex formation and photovoltaic properties of PPV polymer-based blendsSolar Energy Materials and Solar Cells, 2007
- Efficient polymer:polymer bulk heterojunction solar cellsApplied Physics Letters, 2006
- Efficient Polymer Solar Cells Based on M3EH−PPVChemistry of Materials, 2005
- High-efficiency solution processable polymer photovoltaic cells by self-organization of polymer blendsNature Materials, 2005
- Thermally Stable, Efficient Polymer Solar Cells with Nanoscale Control of the Interpenetrating Network MorphologyAdvanced Functional Materials, 2005
- High-efficiency photovoltaic devices based on annealed poly(3-hexylthiophene) and 1-(3-methoxycarbonyl)-propyl-1- phenyl-(6,6)C61 blendsApplied Physics Letters, 2005
- Space-Charge Limited PhotocurrentPhysical Review Letters, 2005
- Photocurrent Generation in Polymer-Fullerene Bulk HeterojunctionsPhysical Review Letters, 2004
- Simulation of light intensity dependent current characteristics of polymer solar cellsJournal of Applied Physics, 2004
- Barrier‐Free Electron–Hole Capture in Polymer Blend Heterojunction Light‐Emitting DiodesAdvanced Materials, 2003