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Luminescent Pyrene-Decorated Organotin Compounds: Observation of Monomer and Excimer Emission
Banaras Hindu Univ, Inst Sci, Dept Chem, Varanasi 221005, Uttar Pradesh, India.
Indian Inst Technol Jodhpur, Dept Chem, Jodhpur 342011, Rajasthan, India.
Indian Inst Technol Kanpur, Dept Chem, Kanpur 208016, Uttar Pradesh, India.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström.
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2019 (English)In: Crystal Growth & Design, ISSN 1528-7483, E-ISSN 1528-7505, Vol. 19, no 3, p. 1888-1895Article in journal (Refereed) Published
Abstract [en]

The pyrene-decorated luminescent organotin compounds Ph(3)SnO(2)CPyr (1), [(Bz(2)Sn)(2)(mu(3)-O)(mu-OH)-(O(2)CPyr)](2)center dot 2EtOH (2), and t-Bu2Sn[O(2)CPyr](2) (3) were synthesized from a one-pot reaction between pyrene-1-carboxylic acid (PyrCO(2)H) and the appropriate organotin precursors. The molecular and crystal structures of 1-3 were determined by single-crystal X-ray diffraction analyses, which reveal rich supramolecular architectures in their crystal structures. The luminescence properties of these compounds were studied in solution as well as in the solid state. While in the solid state all of the compounds reveal excimer bands, in solution, strong monomer emission is seen. Fluorescence lifetime measurements revealed (365 nm) that the average lifetimes of 1-3 in solution could be estimated as 4.97 ns (1), 4.69 ns (2), and 6.93 ns (3).

Place, publisher, year, edition, pages
AMER CHEMICAL SOC , 2019. Vol. 19, no 3, p. 1888-1895
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Materials Chemistry
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URN: urn:nbn:se:uu:diva-380479DOI: 10.1021/acs.cgd.8b01856ISI: 000460996600051OAI: oai:DiVA.org:uu-380479DiVA, id: diva2:1305015
Available from: 2019-04-15 Created: 2019-04-15 Last updated: 2019-04-15Bibliographically approved

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