Sensitization of photoelectrochemical cells by resonant energy transfer between two dyes | Zendy

K. Tennakone | Zendy; C.A.N. Fernando | Zendy; M. Dewasurendra | Zendy; Muhammed S.T. Kariapper | Zendy

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Sensitization of photoelectrochemical cells by resonant energy transfer between two dyes

Author(s) -

K. Tennakone,

C.A.N. Fernando,

M. Dewasurendra,

Muhammed S.T. Kariapper

Publication year - 1986

Publication title -

journal of the national science foundation of sri lanka

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.151

H-Index - 18

eISSN - 2362-0161

pISSN - 1391-4588

DOI - 10.4038/jnsfsr.v14i2.8317

Subject(s) - sri lanka , foundation (evidence) , sensitization , political science , library science , nanotechnology , engineering , computer science , sociology , materials science , medicine , law , south asia , immunology , ethnology

r It is found that when a semiconductor electrode surface in a photoelectrochemical cell is coated with a dye that can transfer a charge carrier upon excitation into an energy band and if a layer of a second dye that readily transfers the energy of photon excitation into an inner one by resonance is deposited on top of the first dye, then stability and quantum efficiency of photocurrent are both improved. Observations based on dye coated CuCNS photocathodes are presented to illustrate the phenomenon. Photochemical processes involved are discussed.

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