Radiothermoluminescence and Transitions in Polymers |
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Page 8
... emission processes depends on them . If the states from which the emission originates and terminates have the same multiplicity , the emission is called fluorescence . This process most commonly occurs between the first excited singlet ...
... emission processes depends on them . If the states from which the emission originates and terminates have the same multiplicity , the emission is called fluorescence . This process most commonly occurs between the first excited singlet ...
Page 7
... Emission Spectra An absorption spectrum is produced when light with a continuous spectrum is passed through a medium which absorbs only part of the light ... Emission Spectra 7 1 Absorption and Emission Spectra References Thermoluminescence.
... Emission Spectra An absorption spectrum is produced when light with a continuous spectrum is passed through a medium which absorbs only part of the light ... Emission Spectra 7 1 Absorption and Emission Spectra References Thermoluminescence.
Page 24
... emission of light , this emission will occur 10-7-10-8 sec after ionization if the emission takes place beginning with a singlet state and 107 sec to several minutes if it is from a triplet state . 3 2. If r > r , the electron breaks ...
... emission of light , this emission will occur 10-7-10-8 sec after ionization if the emission takes place beginning with a singlet state and 107 sec to several minutes if it is from a triplet state . 3 2. If r > r , the electron breaks ...
Contents
Preface | 5 |
Application of Radiothermoluminescence to the Study | 6 |
1 | 11 |
Copyright | |
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Common terms and phrases
absorption activation energy amorphous annealing atactic atoms bleaching blend changes charge Charlesby Chem chemical chemically trapped components concentration constant copolymer cross-linking crystal crystalline decay decrease depends dielectric dipoles distribution dose effect electron affinity electron traps electron-spin resonance emission entropy equilibrium excited molecules excited singlet first-order fluorescence free radicals free volume frequency factor glass glass-transition temperature glow curve glow peak increase INTENSITY relative units interaction interfacial intersystem crossing interzonal ionization irradiation isothermal kinetic light linear low temperatures luminescence luminescence centers LUMINESCENCE INTENSITY relative Macromolecules material maxima maximum mechanical method molecular motion molecules Nikolskii nuclear magnetic resonance observed occur oxygen phase phosphorescence Phys polar polybutadiene polyethylene samples polymer polypropylene quenching radiation radiothermoluminescence reactions recombination region relaxation transitions secondary relaxation semicrystalline Solprene spectra spectroscopy spectrum structure thermal thermodynamic thermoluminescence thermoluminescence intensity thermoluminescence peaks tion transition temperature trapped electrons triplet untrapping vibrational vulcanization whereas
References to this book
Polymer Surfaces and Interfaces II, Volume 2 W. J. Feast,H. S. Munro,R. W. Richards Snippet view - 1993 |