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Issue 40, 2011
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Design, synthesis, characterization, luminescence and non-linear optical (NLO) properties of multinuclear platinum(II) alkynyl complexes

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Abstract

A series of luminescent multinuclear platinum(II) alkynyl complexes containing triethynylbenzene or 1,4-bis(3,5-diethynylphenyl)buta-1,3-diyne as cores has been successfully synthesized and characterized. The electronic absorption, emission, nanosecond transient absorption and electrochemical properties of these complexes have been reported. These complexes show long-lived emissions in degassed benzene solution and in alcoholic glass at 77 K. Moreover, they are found to exhibit two-photon absorption (2PA) and two-photon induced luminescence (TPIL) properties, and their two-photon absorption cross-sections have been determined to be 6–191 GM upon excitation at 720 nm. Through a systematic comparison, it has been found that tetra- and hexanuclear platinum(II) complexes show better 2PA and TPIL properties than their di- and trinuclear counterparts.

Graphical abstract: Design, synthesis, characterization, luminescence and non-linear optical (NLO) properties of multinuclear platinum(ii) alkynyl complexes

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Publication details

The article was received on 28 Apr 2011, accepted on 19 Jul 2011 and first published on 19 Aug 2011


Article type: Paper
DOI: 10.1039/C1DT10784D
Citation: Dalton Trans., 2011,40, 10670-10685
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    Design, synthesis, characterization, luminescence and non-linear optical (NLO) properties of multinuclear platinum(II) alkynyl complexes

    C. K. M. Chan, C. Tao, K. Li, K. M. Wong, N. Zhu, K. Cheah and V. W. Yam, Dalton Trans., 2011, 40, 10670
    DOI: 10.1039/C1DT10784D

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