Radiothermoluminescence and Transitions in Polymers |
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Page 2
... excited molecules . Consequently , luminescence is a valuable tool for studying the chemistry of excited states , and since all chemical reactions involve excited states of some kind or another , luminescence in its broadest sense ...
... excited molecules . Consequently , luminescence is a valuable tool for studying the chemistry of excited states , and since all chemical reactions involve excited states of some kind or another , luminescence in its broadest sense ...
Page 11
... excited state : AB → AB * Other excited molecules arise as a result of charge neutralization : ( 2.3 ) AB + e → AB * ( 2.4 ) If , however , the energy transferred by the incident electron to a particular orbital electron is higher ...
... excited state : AB → AB * Other excited molecules arise as a result of charge neutralization : ( 2.3 ) AB + e → AB * ( 2.4 ) If , however , the energy transferred by the incident electron to a particular orbital electron is higher ...
Page 46
... molecule is restricted , since the competing processes of radiationless energy transfer require coupling between the excited molecule and the molecules which surround it , and this coupling becomes greater with increased amplitude and ...
... molecule is restricted , since the competing processes of radiationless energy transfer require coupling between the excited molecule and the molecules which surround it , and this coupling becomes greater with increased amplitude and ...
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Common terms and phrases
activation energy annealing atactic atoms blend changes charge Charlesby Chem chemical cis-polybutadiene components concentration constant cooling copolymer cross-linking crystal decay decrease density depends dielectric distribution dose E/kT electron affinity electron traps emission entropy equilibrium evaluation excited molecules factor first-order fluorescence fraction free volume frequency frequency factor glass glass-transition temperature glow curve glow peak grafting heating increase INTENSITY relative units interaction interfacial intersystem crossing interzonal ionization irradiation isotactic kinetic linear low-temperature luminescence centers LUMINESCENCE INTENSITY relative Macromolecules material maxima maximum mechanical melting method molecular motion molecules Nikolskii nuclear magnetic resonance observed occur oxygen phase phosphorescence Phys polybutadiene polyethylene samples polyisobutylene polypropylene polystyrene position quenching radiation radicals radiothermoluminescence reaction recombination relaxation transitions room temperature secondary relaxation semicrystalline semicrystalline polymers spectra spectroscopy structure temperature thermal thermodynamic thermoluminescence thermoluminescence peaks tion transition temperature trapped electrons untrapping vibrational vinyl vulcanization whereas Zlatkevich
References to this book
Polymer Surfaces and Interfaces II, Volume 2 W. J. Feast,H. S. Munro,R. W. Richards Snippet view - 1993 |