TRI- AND TETRAVALENT PHTHALOCYANINE THIN FILM PHOTOELECTRODES: COMPARISON WITH OTHER METAL AND DEMETALLATED PHTHALOCYANINE SYSTEMS.

T. J. Klofta, P. C. Rieke, C. A. Linkous, W. J. Buttner, Neal R Armstrong, T. D. Mewborn, N. R. Armstrong

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

A series of trivalent and tetravalent metal phthalocyanines (Pc) has been examined in thin film form on metal substrates by electron microscopy, UV-visible spectrophotometry, and electrochemical and photoelectrochemical techniques. These Pcs are compared with other divalent metal and demetallated phthalocyanines. The tri- and tetravalent phthalocyanines show enhanced photoresponses vs. the divalent metal and demetallated systems. This enhanced activity correlates with their broadened and red-shifted visible spectra and their tendency to grow as block-like or platelet-like microcrystals in the thin film. The divalent and demetallated Pcs grow as smaller, needle-like deposits with poor photoresponses. This work is of interest to solar cell research.

Original languageEnglish (US)
Pages (from-to)2134-2144
Number of pages11
JournalJournal of the Electrochemical Society
Volume132
Issue number9
StatePublished - Sep 1985

Fingerprint

Metals
Thin films
thin films
metals
Microcrystals
microcrystals
Spectrophotometry
spectrophotometry
Platelets
visible spectrum
platelets
needles
Needles
Electron microscopy
electron microscopy
Solar cells
tendencies
Deposits
solar cells
deposits

ASJC Scopus subject areas

  • Electrochemistry
  • Surfaces, Coatings and Films
  • Surfaces and Interfaces

Cite this

Klofta, T. J., Rieke, P. C., Linkous, C. A., Buttner, W. J., Armstrong, N. R., Mewborn, T. D., & Armstrong, N. R. (1985). TRI- AND TETRAVALENT PHTHALOCYANINE THIN FILM PHOTOELECTRODES: COMPARISON WITH OTHER METAL AND DEMETALLATED PHTHALOCYANINE SYSTEMS. Journal of the Electrochemical Society, 132(9), 2134-2144.

TRI- AND TETRAVALENT PHTHALOCYANINE THIN FILM PHOTOELECTRODES : COMPARISON WITH OTHER METAL AND DEMETALLATED PHTHALOCYANINE SYSTEMS. / Klofta, T. J.; Rieke, P. C.; Linkous, C. A.; Buttner, W. J.; Armstrong, Neal R; Mewborn, T. D.; Armstrong, N. R.

In: Journal of the Electrochemical Society, Vol. 132, No. 9, 09.1985, p. 2134-2144.

Research output: Contribution to journalArticle

Klofta, T. J. ; Rieke, P. C. ; Linkous, C. A. ; Buttner, W. J. ; Armstrong, Neal R ; Mewborn, T. D. ; Armstrong, N. R. / TRI- AND TETRAVALENT PHTHALOCYANINE THIN FILM PHOTOELECTRODES : COMPARISON WITH OTHER METAL AND DEMETALLATED PHTHALOCYANINE SYSTEMS. In: Journal of the Electrochemical Society. 1985 ; Vol. 132, No. 9. pp. 2134-2144.
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