On the improvement of photovoltaic action of ZnO/P3HT:PCBM by controlling roughness of window layer

On the improvement of photovoltaic action of ZnO/P3HT:PCBM by controlling roughness of window layer

Polymer solar cells with configuration ITO/ZnO/P3HT:PCBM/Ag were fabricated using cost effective chemical spray pyrolysis and spin coating techniques. When surface of ZnO layer was modified with a second layer so as to increase the roughness, considerable improvement in cell parameters were observed...

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Bibliographische Detailangaben
Hauptverfasser: Geethu, R, Rajesh, Menon M R, Sudha, Kartha C, Vijayakumar, K P
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Coating effects
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
ELECTRIC POTENTIAL
ENERGY EFFICIENCY
INDIUM COMPOUNDS
INTERFACES
LAYERS
Open circuit voltage
Organic chemistry
ORGANIC POLYMERS
Parameter identification
Photovoltaic cells
PHOTOVOLTAIC EFFECT
ROUGHNESS
SILVER
SOLAR CELLS
SOLAR ENERGY
Spin coating
SPIN-ON COATING
Spray pyrolysis
Surface roughness
SURFACES
TIN OXIDES
Zinc oxide
ZINC OXIDES
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Beschreibung
Zusammenfassung:Polymer solar cells with configuration ITO/ZnO/P3HT:PCBM/Ag were fabricated using cost effective chemical spray pyrolysis and spin coating techniques. When surface of ZnO layer was modified with a second layer so as to increase the roughness, considerable improvement in cell parameters were observed. Optimum conditions for the required roughness were identified and changes in cell parameters with variation in surface roughness were studied. Major enhancements were observed in the open circuit voltage and in the cell efficiency.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.4872701