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Issue 12, 2015
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Metal–organic framework composites with luminescent gold(III) complexes. Strongly emissive and long-lived excited states in open air and photo-catalysis

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Abstract

The encapsulation of luminescent gold(III) complexes by metal–organic frameworks (MOFs) lays the groundwork for new phosphorescent materials with activities that are not readily achieved by the host MOF materials or gold(III) complexes alone. In this work, strong phosphorescence with lifetimes of up to ∼50 μs in open air at room temperature has been achieved by incorporation of cationic cyclometalated gold(III) complexes into MOFs with anionic frameworks to form AuIII@MOFs. The AuIII@MOFs display solid state two-photon-induced phosphorescence. Photo-reduction of methyl viologen to the reduced radical was achieved inside AuIII@MOFs and in the presence of Et3N upon excitation at λ > 370 nm under ambient conditions. These AuIII@MOFs comprise a class of reusable and size-selective heterogeneous photo-catalysts for the aerobic oxidation of secondary amines to imines as well as five other reactions, including oxidative C–H functionalization under aerobic conditions.

Graphical abstract: Metal–organic framework composites with luminescent gold(iii) complexes. Strongly emissive and long-lived excited states in open air and photo-catalysis

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Publication details

The article was received on 19 Jun 2015, accepted on 04 Sep 2015 and first published on 21 Sep 2015


Article type: Edge Article
DOI: 10.1039/C5SC02216A
Chem. Sci., 2015,6, 7105-7111
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    All publication charges for this article have been paid for by the Royal Society of Chemistry

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    Metal–organic framework composites with luminescent gold(III) complexes. Strongly emissive and long-lived excited states in open air and photo-catalysis

    C. Sun, W. To, X. Wang, K. Chan, Z. Su and C. Che, Chem. Sci., 2015, 6, 7105
    DOI: 10.1039/C5SC02216A

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