Chapter

Introduction

Ivan Pelant and Jan Valenta

in Luminescence Spectroscopy of Semiconductors

Published in print February 2012 | ISBN: 9780199588336
Published online May 2012 | e-ISBN: 9780191738548 | DOI: http://dx.doi.org/10.1093/acprof:oso/9780199588336.003.0001
Introduction

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Introduction is of quite general nature. It contains basic terminological definitions used throughout the book. The term secondary radiation is introduced. The difference between ‘luminescence’ (cold light) and ‘incandescence’ is explained. Specific kinds of luminescence are defined (photoluminescence, electroluminescence, chemiluminescence, bioluminescence, cathodoluminescence, thermoluminescence etc.). Distinctions between fluorescence and phosphorescence, between mechanisms of luminescence in organic and inorganic materials and between intrinsic and extrinsic origins of luminescence are stressed. The terms phosphor, Stokes’ law, thermal quenching and edge emission are explained. The basic terms and definitions are elucidated via using representative examples of luminescence emission spectra taken in various semiconductors.

Keywords: secondary radiation; luminescence; incandescence; fluorescence; phosphorescence; organic Luminescence; inorganic luminescence; intrinsic and extrinsic; edge emission; thermal quenching

Chapter.  3036 words.  Illustrated.

Subjects: Atomic, Molecular, and Optical Physics

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