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Synthesis and characterization of a nanocluster-based silver(i) tert-butylethynide compound with a large second-harmonic generation response

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Abstract

A new nanocluster-based silver(I) tert-butylethynide compound, namely, (tBuC[triple bond, length as m-dash]CAg)2(Ag4SiW12O40)(DMSO)6 (HT-1), has been synthesized and structurally characterized by X-ray crystallography. The two kinds of nanocluster synthons (a silver aggregate named [(tBuC[triple bond, length as m-dash]C)2Ag6(DMSO)6] and a SiW12 polyoxoanion) are assembled into a three-dimensional coordination network, which has a non-centrosymmetric crystal lattice. Powder second-harmonic generation (SHG) measurements reveal that HT-1 belongs to the phase-matchable class with a moderately strong SHG response of about 3 times that of the KH2PO4 (KDP) sample. HT-1 represents the first example of a Ag(I) alkynyl cluster compound with a SHG response. The present study not only extends the application fields of Ag(I) alkynyl clusters but also demonstrates a new paradigm for understanding the Ag(I) alkynyl structural chemistry.

Graphical abstract: Synthesis and characterization of a nanocluster-based silver(i) tert-butylethynide compound with a large second-harmonic generation response

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Article information


Submitted
30 Apr 2020
Accepted
18 May 2020
First published
22 May 2020

Nanoscale, 2020, Advance Article
Article type
Communication

Synthesis and characterization of a nanocluster-based silver(I) tert-butylethynide compound with a large second-harmonic generation response

T. Hu, C. Hu, Y. Li, L. Meng, Y. Xie, M. Liao, G. Zhong and C. Lu, Nanoscale, 2020, Advance Article , DOI: 10.1039/D0NR03364B

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