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Luminescence bands of molecular oxygen from a tungsten lamp.: The possible role of singlet molecular oxygen in surface catalyzed oxidation by Ahsan Ullah Khan is a Physics and Astronomy article available to read on EtoBox.
What is Luminescence bands of molecular oxygen from a tungsten lamp.: The possible role of singlet molecular oxygen in surface catalyzed oxidation about?
Sharp emission bands superimposed on ordinary incandescent tungsten lamp output have been observed. These definite spectroscopic bands have been tentatively assigned to Single and Simultaneous Transitions in molecular oxygen. An alternative explanation of a perturbed molecular oxygen, [W.. \_ 021. has not been completely ruled out. A possible relation of this novel method of generation of Singlet Molecular Oxygen to heterogeneous catalysis has been pointed out. We wish to report the generation of electronically excited molecular oxygen in ordinary incandescent tungsten filament lamps. Using these lamps, we have not only observed emission from the singlet metastable states of molecular oxygen, but : I TO from simultaneous transitions in which two 9 \*', excited singlet species interact to yield a sing,, photon. Recently McCarroll [l] reported that the chemisorption on a clean tungsten surface at room temperature of molecular oxygen at 5 -50& pressure generates a very weak luminescence. He studied the lifetime and the kinetics of decay for this luminescence by using a refrigerated 9558QB photomultiplier and narrow band interference filters and found that "most of the luminescent radi
Who reads Luminescence bands of molecular oxygen from a tungsten lamp.: The possible role of singlet molecular oxygen in surface catalyzed oxidation?
It is typically read by researchers, students, and practitioners in Physics and Astronomy.
- Author
- Ahsan Ullah Khan
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0009-2614)
- Published
- 1970
- Language
- EN
- Field
- Physics and Astronomy (Physical Sciences)