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What is Heterojunction

Properties, Techniques, and Applications of Polyaniline (PANI) Thin Films: Emerging Research and Opportunities
A heterojunction is an interface that occurs between two layers or regions of dissimilar crystalline semiconductors where the semiconducting materials have unequal band gap as opposed to a homojunction. Two types of heterojunctions are found based on the nature of the conductivity of the semiconducting material used: Isotype and anisotype heterojunction.
Published in Chapter:

Theoretical Aspects of Thin Film Solar Cells

DOI: 10.4018/978-1-5225-9896-1.ch003

Abstract

The theoretical background is an essential part of any experimental work, and unless the understanding of proper theory associated with any experiment, the explanation of results not considered as accomplished. This chapter highlights the related approaches for calculating and explaining the effects of different parameters of the proposed studies. The concepts applied to investigate the microstructural and optoelectrical properties of semiconducting polymer films, Schottky, and heterojunction junctions are discussed and explained.
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