STUDY OF AGGREGATION BEHAVIOR AND ELECTRON INJECTION PROCESS OF THIOL SUBSTITUTED ZnPHTHALOCYANINE DERIVATIVE ON TIO2 NANOPARTICLE SURFACE | Zendy

S. Gnanam | Zendy; R. Ashokkumar | Zendy; C. Udhayashankar | Zendy; S. Karthikeyan | Zendy; G. Dhinagaran | Zendy; K. Venkatachalam | Zendy

Open Access

STUDY OF AGGREGATION BEHAVIOR AND ELECTRON INJECTION PROCESS OF THIOL SUBSTITUTED ZnPHTHALOCYANINE DERIVATIVE ON TIO2 NANOPARTICLE SURFACE

Author(s) -

S. Gnanam,

R. Ashokkumar,

C. Udhayashankar,

S. Karthikeyan,

G. Dhinagaran,

K. Venkatachalam

Publication year - 2019

Publication title -

rasayan journal of chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.281

H-Index - 22

eISSN - 0976-0083

pISSN - 0974-1496

DOI - 10.31788/rjc.2019.1225003

Subject(s) - derivative (finance) , thiol , nanoparticle , chemical engineering , materials science , chemistry , nanotechnology , organic chemistry , business , engineering , finance

Tetra carboxyl Zn-phthalocyanine (TCTZnPc) with thiol linker is anchored onto titanium dioxide (TiO2) nanoparticles surface. The presence of a thiol group having lone pair of electrons further increase the electron donating capability of Zn-Phthalocyanine (ZnPc) derivative. TiO2 thin film is prepared and sensitized with the ZnPhthalocyanine derivative. The type of aggregation of TCTZnPc in DMF and on TiO2 surface is studied from the steady-state absorption spectral techniques. The fluorescence spectral studies are carried out to analyze the quenching of ZnPc fluorescence on TiO2 surface. Further, the time-resolved fluorescence is carried out to confirm the electron injected from excited state TCTZnPc to the TiO2 nanoparticles conduction band.

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