Enhancement of The Performance of Bulk Heterojunction Solar Cell: Enhancing The Performance of Bulk Heterojunction Solar Cell Made From APFO Green-6:PCBM By Thermal Annealing

Eressa, Lemessa Asefa, Tesema, Genene

ISBN 10: 3847314807 / ISBN 13: 9783847314806

Published by LAP LAMBERT Academic Publishing, 2011

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Bibliographic Details

• Title: Enhancement of The Performance of Bulk Heterojunction Solar Cell: Enhancing The Performance of Bulk Heterojunction Solar Cell Made From APFO Green-6:PCBM By Thermal Annealing
• Publisher: LAP LAMBERT Academic Publishing
• Publication Date: 2011
• Language: English
• ISBN 10: 3847314807
• ISBN 13: 9783847314806
• Binding: Paperback
• Condition: Like New
• Book Type: book

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Synopsis

A solar cell is a photovoltaic device designed to convert sunlight into electrical power. We can categorize solar cells into organic and inorganic. The advantages of organic solar cell over inorganic ones are inexpensive to fabricate,light weight, flexible shape and have little potential for negative environmental impact.But, the disadvantages of organic solar cell is low power conversion efficiency and suffer from huge degradation.So,there are different approaches for improving the efficiency of organic solar cells. Some of them are selection of solar harvesting material which have low band gap and broad absorption, active layer structure design (such as using bulk heterojunction),and etc.This work is aimed at enhancing the performance of a bulk heterojunction solar cell made from APFO Green-6:PCBM (1:4 ratio).This can be achieved through creating new device architecture design(bulk heterojunction) and careful control on the morphology of the active layer using thermal annealing in order to get a higher power conversion efficiency. Thermal annealing increases the degree of crystallization of the cell,charge transport and then the efficiency of the organic cell.

About the Author

Mr.Lemessa Asefa has obtained his M.Sc.degree in Physics from Addis Ababa University in July 2008 where working in Polymer Physics. Since then, he is a lecturer at Ambo University, College of Natural& Computational Sciences, Physics Department teaching Undergraduate Students.Presently, he is also Head, Department of Physics at Ambo University.