Title

Two-Photon Absorption Properties Of New Fluorene-Based Singlet Oxygen Photosensitizers

Abstract

The degenerate two-photon absorption (2PA) spectra of several fluorene-based photosensitizers (PS) in solution were obtained over a broad spectral range (460-880 nm) by open aperture Z-scan and two-photon fluorescence methods under either picosecond or femtosecond excitation, respectively. A maximum 2PA cross section of ca. 300 GM was observed for the photosensitizers containing a benzothiazole substituent in the fluorenyl 7-position. The electronic structures and 2PA properties of these PS were analyzed using a time-dependent density functional theory method, resulting in reasonably good agreement between experimental and theoretical data. © 2009 American Chemical Society.

Publication Date

3-19-2009

Publication Title

Journal of Physical Chemistry C

Volume

113

Issue

11

Number of Pages

4706-4711

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1021/jp8102832

Socpus ID

65249136449 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/65249136449

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