skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Ground and excited state chemistry of some hydrophilic thiazine dyes for possible photogalvanic applications

Abstract

The research was designed to study the ground and excited state properties of hydrophilic analogues of the thiazine dye, thionine. The analogues were prepared by substituting ..beta..-hydroxyethyl or N-methylpiperazine groups onto the thiazine chromophore. Positive charges were introduced into the analogues containing the N-methylpiperazine groups by methylation of the N-methyl nitrogen atom of the piperazine ring. After purification and characterization of the analogues, ground state properties such as water solubility and aggregation were studied. Excited state studies involved determination of triplet state lifetimes (tau), and triplet state rate constants for, self quenching, (k/sub SQ/), ferrous quenching (k/sub Q/), and bromide and iodide (k/sub Br/ and K/sub I/) quenching. Oxidation and decay of the photoproducts, semireduced dyes and leuco dyes, was also studied.

Authors:
Publication Date:
Research Org.:
University of Southern Mississippi, Hattiesburg (USA)
OSTI Identifier:
5265538
Report Number(s):
DOE/ER/10534-T2
ON: DE84009096
DOE Contract Number:  
FG02-79ER10534
Resource Type:
Technical Report
Resource Relation:
Other Information: Thesis
Country of Publication:
United States
Language:
English
Subject:
14 SOLAR ENERGY; PHOTOGALVANIC CELLS; DYES; THIONINE; EXCITED STATES; GROUND STATES; ABSORPTION SPECTRA; AGGLOMERATION; LIFETIME; PHOTOLYSIS; QUENCHING; SOLUBILITY; AMINES; CHEMICAL REACTIONS; DECOMPOSITION; ELECTROCHEMICAL CELLS; ENERGY LEVELS; EQUIPMENT; HETEROCYCLIC COMPOUNDS; ORGANIC COMPOUNDS; ORGANIC NITROGEN COMPOUNDS; ORGANIC SULFUR COMPOUNDS; PHOTOCHEMICAL REACTIONS; PHOTOELECTROCHEMICAL CELLS; SOLAR EQUIPMENT; SPECTRA; 140505* - Solar Energy Conversion- Photochemical, Photobiological, & Thermochemical Conversion- (1980-)

Citation Formats

Burton, W C. Ground and excited state chemistry of some hydrophilic thiazine dyes for possible photogalvanic applications. United States: N. p., 1982. Web.
Burton, W C. Ground and excited state chemistry of some hydrophilic thiazine dyes for possible photogalvanic applications. United States.
Burton, W C. 1982. "Ground and excited state chemistry of some hydrophilic thiazine dyes for possible photogalvanic applications". United States.
@article{osti_5265538,
title = {Ground and excited state chemistry of some hydrophilic thiazine dyes for possible photogalvanic applications},
author = {Burton, W C},
abstractNote = {The research was designed to study the ground and excited state properties of hydrophilic analogues of the thiazine dye, thionine. The analogues were prepared by substituting ..beta..-hydroxyethyl or N-methylpiperazine groups onto the thiazine chromophore. Positive charges were introduced into the analogues containing the N-methylpiperazine groups by methylation of the N-methyl nitrogen atom of the piperazine ring. After purification and characterization of the analogues, ground state properties such as water solubility and aggregation were studied. Excited state studies involved determination of triplet state lifetimes (tau), and triplet state rate constants for, self quenching, (k/sub SQ/), ferrous quenching (k/sub Q/), and bromide and iodide (k/sub Br/ and K/sub I/) quenching. Oxidation and decay of the photoproducts, semireduced dyes and leuco dyes, was also studied.},
doi = {},
url = {https://www.osti.gov/biblio/5265538}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Sun Aug 01 00:00:00 EDT 1982},
month = {Sun Aug 01 00:00:00 EDT 1982}
}

Technical Report:
Other availability
Please see Document Availability for additional information on obtaining the full-text document. Library patrons may search WorldCat to identify libraries that may hold this item. Keep in mind that many technical reports are not cataloged in WorldCat.

Save / Share: