Study of Intermediates from Transition Metal Excited-state Electron-transfer Reactions. Final Report, August 4, 1986--August 31, 1997

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Total Pages : 31 pages
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Book Synopsis Study of Intermediates from Transition Metal Excited-state Electron-transfer Reactions. Final Report, August 4, 1986--August 31, 1997 by :

Download or read book Study of Intermediates from Transition Metal Excited-state Electron-transfer Reactions. Final Report, August 4, 1986--August 31, 1997 written by and published by . This book was released on 1997 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt: The techniques of continuous photolysis and pulsed laser flash photolysis, continuous and pulse radiolysis, fast-scan cyclic voltammetry, and time-resolved fluorimetry have been used to examine intramolecular electron transfer within the solvent quenching cage, photodynamics of quenching of the excited states of transition-metal photosensitizers, the properties of excites states and one-electron reduced forms, ground- and excited-state interactions with solutes, and photoinduced oxidations of organic solutes in aqueous solution. The following specific areas were examined: (1) the parameters that govern the yields of redox products from excited-state electron-transfer quenching reactions; (2) the mediation of the properties of excited states and one-electron reduced forms by the ligands and the solution medium; (3) the effect of the interactions between the ground state of the complex and the solution components on the behavior of the excited state; (4) the yields of singlet oxygen from excited-state energy-transfer quenching by O2; and (5) the oxidations of solutes by singlet oxygen, excited-state electron-transfer quenching, and free radicals. This report contains the abstracts of 50 publications describing the studies.

Study of Intermediates from Transition Metal Excited-state Electron-transfer Reactions. [Annual] Progress Report, August 1, 1989--July 31, 1992

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ISBN 13 :
Total Pages : 19 pages
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Book Synopsis Study of Intermediates from Transition Metal Excited-state Electron-transfer Reactions. [Annual] Progress Report, August 1, 1989--July 31, 1992 by :

Download or read book Study of Intermediates from Transition Metal Excited-state Electron-transfer Reactions. [Annual] Progress Report, August 1, 1989--July 31, 1992 written by and published by . This book was released on 1992 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: Conventional and fast-kinetics techniques of photochemistry, photophysics, radiation chemistry, and electrochemistry were used to study the intermediates involved in transition metal excited-state electron-transfer reactions. These intermediates were excited state of Ru(II) and Cr(III) photosensitizers, their reduced forms, and species formed in reactions of redox quenchers and electron-transfer agents. Of particular concern was the back electron-transfer reaction between the geminate pair formed in the redox quenching of the photosensitizers, and the dependence of its rate on solution medium and temperature in competition with transformation and cage escape processes. (DLC).

Study of Intermediates from Transition Metal Excited-state Electron-transfer Reactions. Progress Report, August 1, 1989--December 31, 1991

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Total Pages : 19 pages
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Book Synopsis Study of Intermediates from Transition Metal Excited-state Electron-transfer Reactions. Progress Report, August 1, 1989--December 31, 1991 by :

Download or read book Study of Intermediates from Transition Metal Excited-state Electron-transfer Reactions. Progress Report, August 1, 1989--December 31, 1991 written by and published by . This book was released on 1991 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: During this period, conventional and fast-kinetics techniques of photochemistry, photophysics, radiation chemistry, and electrochemistry were used for the characterization of the intermediates that are involved in transition metal excited-state electron-transfer reactions. The intermediates of interest were the excited states of Ru(II) and Cr(III) photosensitizers, their reduced forms, and the species formed in the reactions of redox quenchers and electron-transfer agents. Of particular concern has been the back electron-transfer reaction between the geminate pair formed in the redox quenching of the photosensitizers, and the dependence of its rate on solution medium and temperature in competition with transformation and cage escape processes.

Study of Intermediates from Transition Metal Excited-state Electron- Transfer Reactions. Progress Report, January 1, 1992--March 31, 1993

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ISBN 13 :
Total Pages : 5 pages
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Book Synopsis Study of Intermediates from Transition Metal Excited-state Electron- Transfer Reactions. Progress Report, January 1, 1992--March 31, 1993 by :

Download or read book Study of Intermediates from Transition Metal Excited-state Electron- Transfer Reactions. Progress Report, January 1, 1992--March 31, 1993 written by and published by . This book was released on 1993 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: Progress on 6 projects is reported: excited state absorption spectrum of Ru(bpy)3{sup 2+}, solvent cage model for electron transfer quenching, reductive quenching of {sup *}Cr(III) complexes, solution medium effects in oxidative quenching of {sup *}Ru(II) complexes, photosensitized oxidation of phenol in aqueous solution, and quenching of Ru(II) complexes by oxygen.

Energy Research Abstracts

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ISBN 13 :
Total Pages : 716 pages
Book Rating : 4.:/5 (3 download)

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Download or read book Energy Research Abstracts written by and published by . This book was released on 1986 with total page 716 pages. Available in PDF, EPUB and Kindle. Book excerpt: Semiannual, with semiannual and annual indexes. References to all scientific and technical literature coming from DOE, its laboratories, energy centers, and contractors. Includes all works deriving from DOE, other related government-sponsored information, and foreign nonnuclear information. Arranged under 39 categories, e.g., Biomedical sciences, basic studies; Biomedical sciences, applied studies; Health and safety; and Fusion energy. Entry gives bibliographical information and abstract. Corporate, author, subject, report number indexes.

Study of Intermediates from Transition Metal Excited-state Electron-transfer Reactions

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ISBN 13 :
Total Pages : 19 pages
Book Rating : 4.:/5 (727 download)

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Book Synopsis Study of Intermediates from Transition Metal Excited-state Electron-transfer Reactions by :

Download or read book Study of Intermediates from Transition Metal Excited-state Electron-transfer Reactions written by and published by . This book was released on 1992 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: Conventional and fast-kinetics techniques of photochemistry, photophysics, radiation chemistry, and electrochemistry were used to study the intermediates involved in transition metal excited-state electron-transfer reactions. These intermediates were excited state of Ru(II) and Cr(III) photosensitizers, their reduced forms, and species formed in reactions of redox quenchers and electron-transfer agents. Of particular concern was the back electron-transfer reaction between the geminate pair formed in the redox quenching of the photosensitizers, and the dependence of its rate on solution medium and temperature in competition with transformation and cage escape processes. (DLC).

Substitution and Excited State Electron Transfer Reactions of Transition Metal Complexes in Organized Media

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ISBN 13 :
Total Pages : 446 pages
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Book Synopsis Substitution and Excited State Electron Transfer Reactions of Transition Metal Complexes in Organized Media by : Russell Hunter Schmehl

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Excited-state Electron-transfer Reactions of Transition Metal Complexes

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ISBN 13 :
Total Pages : 232 pages
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Book Synopsis Excited-state Electron-transfer Reactions of Transition Metal Complexes by : David Gordon Taylor

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Reversible excited-state electron-transfer reactions of transition metal complexes

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ISBN 13 :
Total Pages : 14 pages
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Book Synopsis Reversible excited-state electron-transfer reactions of transition metal complexes by : B. A. De Graff

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Physics Briefs

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ISBN 13 :
Total Pages : 762 pages
Book Rating : 4.3/5 (91 download)

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Download or read book Physics Briefs written by and published by . This book was released on 1987 with total page 762 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Plates Illustrative of the Topography and Architecture of Japan

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Total Pages : pages
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Government Reports Announcements & Index

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ISBN 13 :
Total Pages : 648 pages
Book Rating : 4.:/5 (3 download)

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Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1993-05 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Handbook of Synthetic Photochemistry

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Publisher : John Wiley & Sons
ISBN 13 : 3527323910
Total Pages : 498 pages
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Book Synopsis Handbook of Synthetic Photochemistry by : Angelo Albini

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Bioinorganic Photochemistry

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Publisher : John Wiley & Sons
ISBN 13 : 9781405193276
Total Pages : 398 pages
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Book Synopsis Bioinorganic Photochemistry by : Grazyna Stochel

Download or read book Bioinorganic Photochemistry written by Grazyna Stochel and published by John Wiley & Sons. This book was released on 2009-06-10 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bioinorganic photochemistry is a rapidly evolving field integrating inorganic photochemistry with biological, medical and environmental sciences. The interactions of light with inorganic species in natural systems, and the applications in artificial systems of medical or environmental importance, form the basis of this challenging inter-disciplinary research area. Bioinorganic Photochemistry provides a comprehensive overview of the concepts and reactions fundamental to the field, illustrating important applications in biological, medical and environmental sciences. Topics covered include: Cosmic and environmental photochemistry Photochemistry of biologically relevant nanoassemblies Molecular aspects of photosynthesis Photoinduced electron transfer in biosystems Modern therapeutic strategies in photomedicine The book concludes with an outlook for the future of environmental protection, discussing emerging techniques in the field of pollution abatement, and the potential for bioinorganic photochemistry as a pathway to developing cheap, environmentally friendly sources of energy. Written as an authoritative guide for researchers involved in the development of bioinorganic photochemical processes, Bioinorganic Photochemistry is also accessible to scientists new to the field, and will be a key reference source for advanced courses in inorganic, and bioinorganic chemistry.

Report of the Presidential Commission on the Space Shuttle Challenger Accident

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Publisher : DIANE Publishing
ISBN 13 : 0788119125
Total Pages : 267 pages
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Book Synopsis Report of the Presidential Commission on the Space Shuttle Challenger Accident by : DIANE Publishing Company

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Handbook of Photochemistry

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Publisher : CRC Press
ISBN 13 : 1420015192
Total Pages : 662 pages
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Book Synopsis Handbook of Photochemistry by : Marco Montalti

Download or read book Handbook of Photochemistry written by Marco Montalti and published by CRC Press. This book was released on 2006-02-21 with total page 662 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the publication of the second edition of this handbook in 1993, the field of photochemical sciences has continued to expand across several disciplines including organic, inorganic, physical, analytical, and biological chemistries, and, most recently, nanosciences. Emphasizing the important role light-induced processes play in all of these fie

Applied Organic Chemistry

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Publisher : John Wiley & Sons
ISBN 13 : 3527347852
Total Pages : 856 pages
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Book Synopsis Applied Organic Chemistry by : Surya K. De

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