Cross-conjugated polymers with large two-photon absorption cross-sections for metal ion sensing

Fei Huang, Yanqing Tian, Ching Yi Chen, Yen Ju Cheng, A. Cody Young, Alex K Y Jen

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

The synthesis and metal ion sensing properties of two new cross-conjugated polymers, poly[(9,9-di-n-hexylfluorene-2,7-diyl)-alt-co-(2-(4-(N,N- (dibutylamino)styryl)benzene)-1,4-diyl)] (P1) and poly[(9,9-di-n-hexylfluorene- 2,7-diyl)-alt-co-(2,5-bis(4- (N,N-(dibutylamino)styryl)benzene)-1,4-diyl)] (P2) are reported. These two polymers show very different sensing characteristics from those observed for linear conjugated polymers. Upon binding with different metal ions, P1 and P2 show clear intensity changes and large shift of their fluorescence emission peaks. This combined response significantly improves their binding selectivity. Moreover, the donor-π-bridge-donor (D-π-D) conjugated side chain motifs on P2 endow it with efficient two-photon absorbing (2PA) property. This allows it to be used in two-photon laser scanning microscopy and sensing.

Original languageEnglish (US)
Pages (from-to)10673-10681
Number of pages9
JournalJournal of Physical Chemistry C
Volume111
Issue number28
DOIs
StatePublished - Jul 19 2007
Externally publishedYes

Fingerprint

Conjugated polymers
Benzene
absorption cross sections
Metal ions
metal ions
Photons
polymers
photons
benzene
Microscopic examination
Polymers
Fluorescence
Scanning
Lasers
selectivity
microscopy
fluorescence
scanning
shift
synthesis

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Electronic, Optical and Magnetic Materials
  • Surfaces, Coatings and Films
  • Energy(all)

Cite this

Huang, F., Tian, Y., Chen, C. Y., Cheng, Y. J., Young, A. C., & Jen, A. K. Y. (2007). Cross-conjugated polymers with large two-photon absorption cross-sections for metal ion sensing. Journal of Physical Chemistry C, 111(28), 10673-10681. https://doi.org/10.1021/jp0718799

Cross-conjugated polymers with large two-photon absorption cross-sections for metal ion sensing. / Huang, Fei; Tian, Yanqing; Chen, Ching Yi; Cheng, Yen Ju; Young, A. Cody; Jen, Alex K Y.

In: Journal of Physical Chemistry C, Vol. 111, No. 28, 19.07.2007, p. 10673-10681.

Research output: Contribution to journalArticle

Huang, F, Tian, Y, Chen, CY, Cheng, YJ, Young, AC & Jen, AKY 2007, 'Cross-conjugated polymers with large two-photon absorption cross-sections for metal ion sensing', Journal of Physical Chemistry C, vol. 111, no. 28, pp. 10673-10681. https://doi.org/10.1021/jp0718799
Huang, Fei ; Tian, Yanqing ; Chen, Ching Yi ; Cheng, Yen Ju ; Young, A. Cody ; Jen, Alex K Y. / Cross-conjugated polymers with large two-photon absorption cross-sections for metal ion sensing. In: Journal of Physical Chemistry C. 2007 ; Vol. 111, No. 28. pp. 10673-10681.
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