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A 2-QUANTUM PROCESS IN THE PHOTOCHEMISTRY OF THE OCTACYANOTUNGSTATE(V) ION IN AQUEOUS-SOLUTION
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UNSPECIFIED (1991) A 2-QUANTUM PROCESS IN THE PHOTOCHEMISTRY OF THE OCTACYANOTUNGSTATE(V) ION IN AQUEOUS-SOLUTION. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 55 (3). pp. 283-295. ISSN 1010-6030.
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Abstract
The high intensity photolysis (360 nm > lambda-irr > 310 nm) of aqueous [W(CN)8]3- ions leads to products not formed under normal intensities, i.e. [W(VI)O(CN)6]2- ions and a previously reported, highly coloured species (lambda-max = 537 nm) (denoted as P-537) which could not be isolated.
A detailed quantum yield study reveals that the new photochemical channel is characterized by an I2 dependence (I is the intensity of absorbed light), i.e. it is a two-quantum process and involves an absorbing intermediate state giving access to a high energy state. It is also found that the same high energy channel is reached when lambda-irr < 230 nm, reaching a quantum yield of about 0.1 at 200 nm.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QD Chemistry | ||||
Journal or Publication Title: | JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY | ||||
Publisher: | ELSEVIER SCIENCE SA LAUSANNE | ||||
ISSN: | 1010-6030 | ||||
Official Date: | January 1991 | ||||
Dates: |
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Volume: | 55 | ||||
Number: | 3 | ||||
Number of Pages: | 13 | ||||
Page Range: | pp. 283-295 | ||||
Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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