Title

Identification Of Two-Photon States In Phthalocyanines By Third Harmonic Generation Spectroscopy

Abstract

The dispersive behaviour of the magnitude and phase of χ3(-3ω; ω, ω, ω) of sublimated metal-free (PcH2) and copper phthalocyanine (PcCu) thin films has been investigated via third harmonic generation (THG) spectroscopy in the range of 950 to 2000 nm. A two-photon state placed at around 500 nm, between the two one-photon allowed levels, has been identified and correlated with transitions from the au to the b1u* levels. In PcCu an additional two-photon state located at the lower energy side of the Q band, likely associated with a d-d transition, has also been inferred from the spectrum. © 1995.

Publication Date

3-31-1995

Publication Title

Chemical Physics Letters

Volume

235

Issue

5-6

Number of Pages

535-540

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1016/0009-2614(95)00125-N

Socpus ID

0001656559 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/0001656559

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