Photochemical Determinants of the Efficiency of Photogalvanic Conversion of Solar Energy Metadata
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Title
- Main Title Photochemical Determinants of the Efficiency of Photogalvanic Conversion of Solar Energy
Creator
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Author: Hoffman, M. Z.Creator Type: Personal
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Author: Lichtin, N. N.Creator Type: Personal
Publisher
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Name: Boston University. Department of Chemistry.Place of Publication: Boston, MassachusettsAdditional Info: Boston Univ., MA (USA). Dept. of Chemistry
Date
- Creation: 1979-01-01
Language
- English
Description
- Content Description: A photogalvanic cell is a battery in which the cell solution absorbs light directly to generate species which, upon back reaction through an external circuit with the aid of suitable electrodes, produces electric power; photoactivation of the electrodes is not involved. The charge-carrying species have storage capacity if they are long-lived and can be prevented from engaging in degradative back reactions in bulk solution. The efficiency of a photogalvanic cell for the conversion of photon energy into electrical energy is determined by photochemical and electrochemical factors. Among the latter are the choice of electrode materials and the kinetics of electron transfer at the heterogeneous surfaces. The photochemical determinants of the efficiency of photogalvanic cell operations are examined: the absorption spectral characteristics of the cell solution, the efficiency of formation of separated charge carriers, and the lifetimes of the carriers toward back electron transfer. Modulation of bulk solution dynamics can be achieved by variation of the solution medium. The photochemical determinants are discussed with particular reference to the use of thionine or RU(bpy)2/3/sup +/ as the light absorbing species. 76 references.
- Physical Description: 35 pages
Subject
- Keyword: Ions
- Keyword: Charged Particles
- Keyword: Amines
- Keyword: Electrochemical Cells
- Keyword: Tin Compounds 140505* -- Solar Energy Conversion-- Photochemical, Photobiological, & Thermochemical Conversion-- (1980-)
- Keyword: Redox Reactions
- Keyword: Organic Compounds
- Keyword: Electrolytes
- Keyword: Efficiency
- Keyword: Dispersions
- Keyword: Chemical Reactions
- Keyword: Iron Ions
- Keyword: Tin Oxides
- Keyword: Photochemistry
- Keyword: Chalcogenides
- Keyword: Materials
- Keyword: Ruthenium Ions
- Keyword: Chemistry
- Keyword: Organic Sulfur Compounds
- Keyword: Atomic Ions
- STI Subject Categories: 14 Solar Energy
- Keyword: Photoelectrochemical Cells
- Keyword: Electrodes
- Keyword: Carrier Lifetime
- Keyword: Sensitizers
- Keyword: Photogalvanic Cells
- Keyword: Reagents
- Keyword: Charge Carriers
- Keyword: Solutions
- Keyword: Solar Equipment
- Keyword: Lifetime
- Keyword: Heterocyclic Compounds
- Keyword: Semiconductor Materials
- Keyword: Oxygen Compounds
- Keyword: Oxides
- Keyword: Thionine
- Keyword: Photochemical Reactions
- Keyword: Organic Nitrogen Compounds
- Keyword: Equipment
- Keyword: Mixtures
- Keyword: Electron Transfer
- Keyword: Performance
Collection
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Name: Office of Scientific & Technical Information Technical ReportsCode: OSTI
Institution
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Name: UNT Libraries Government Documents DepartmentCode: UNTGD
Resource Type
- Report
Format
- Text
Identifier
- Report No.: COO-2889-5
- Grant Number: EY-76-S-02-2889
- DOI: 10.2172/5600572
- Office of Scientific & Technical Information Report Number: 5600572
- Archival Resource Key: ark:/67531/metadc1093837
Note
- Display Note: Dep. NTIS, PC A03/MF A01.