Femtosecond to Microsecond Photophysical Studies of a Novel Free Base Phthalocyanine.

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dc.contributor.author Bhattacharya, Somdatta
dc.contributor.author Paul, Sneha
dc.contributor.author Hossain, Sk Saddam
dc.contributor.author Raavi, Sai Santosh Kumar
dc.contributor.author Lingamallu, Giribabu
dc.contributor.author Soma, Venugopal Rao
dc.contributor.author Samanta, Anunay
dc.date.accessioned 2022-03-26T14:45:54Z
dc.date.available 2022-03-26T14:45:54Z
dc.date.issued 2019-01-01
dc.description.abstract A novel free base phthalocyanine, ImHPc (C140H116N16) was developed by incorporating the triphenyl imidazole moiety at its peripheral positions. A detailed analysis of the UV-visible absorption, emission and transient absorption spectra were studied. The Emission studies reveal the fluorescence peak 695 nm to 705 nm and the time-resolved fluorescence data exposed radiative lifetimes of typically few ns. Transient absorption studies (TAS) reveal two singlet lifetimes in picoseconds while single triplet lifetime in microseconds. This makes our molecule ideal for applications in photonics like solar cells and photomedicine like fluorescence imagining, Photodynamic therapy (PDT), etc.
dc.identifier.citation Proceedings of SPIE - The International Society for Optical Engineering. v.11370
dc.identifier.issn 0277786X
dc.identifier.uri https://dspace.uohyd.ac.in/handle/1/2158
dc.subject Internal conversion
dc.subject Intersystem crossing
dc.subject Photodynamic therapy
dc.subject Phthalocyanines
dc.subject Singlet state
dc.subject Transient absorption spectroscopy
dc.subject Triplet state
dc.title Femtosecond to Microsecond Photophysical Studies of a Novel Free Base Phthalocyanine.
dc.type Conference Proceeding. Conference Paper
dspace.entity.type
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