Pyrene‐Terminated Tin Sulfide Clusters: Optical Properties and Deposition on a Metal Surface

Autor: Marina Gerhard, Stefanie Dehnen, Eugenie Geringer, Claudio K. Krug, J. Michael Gottfried, Martin Koch
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: Chemistry – A European Journal, 27 (8), 2734–2741
Chemistry (Weinheim an Der Bergstrasse, Germany)
ISSN: 0947-6539
1521-3765
Popis: Herein, we present the synthesis of two pyrene‐functionalized clusters, [(RpyrSn)4S6]⋅2 CH2Cl2 (4) and [(RpyrSn)4Sn2S10]⋅n CH2Cl2 (n=4, 5 a; n=2, 5 b; Rpyr=CMe2CH2C(Me)N‐NC(H)C16H9), both of which form in reactions of the organotin sulfide cluster [(RNSn)4S6] (C; RN=CMe2CH2C(Me)N‐NH2) with the well‐known fluorescent dye 1‐pyrenecarboxaldehyde (B). In contrast, reactions using an organotin sulfide cluster with another core structure, [(RNSn)3S4Cl] (A), leads to formation of small molecular fragments, [(RpyrCl2Sn)2S] (1), (pyren‐1‐ylmethylene)hydrazine (2), and 1,2‐bis(pyren‐1‐ylmethylene)hydrazine (3). Besides synthesis and structures of the new compounds, we report the influence of the inorganic core on the optical properties of the dye, which was analyzed exemplarily for compound 5 a via absorption and fluorescence spectroscopy. This cluster was also used for exploring the potential of such non‐volatile clusters for deposition on a metal surface under vacuum conditions.
A first series of pyrene‐terminated organotin sulfide compounds and unprecedented side products, [(RpyrCl2Sn)2S] (1), (pyren‐1‐ylmethylene)hydrazine (2), 1,2‐bis(pyren‐1‐ylmethylene)hydrazine (3), [(RpyrSn)4S6]⋅2 CH2Cl2 (4), and [(RpyrSn)4Sn2S10] (5), were synthesized. The combination of inorganic Sn/S moieties with the pyrene units affects optical absorption and fluorescence properties as well as the deposition on a metal surface.
Databáze: OpenAIRE