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Issue 100, 2018
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Si(bzimpy)2 – a hexacoordinate silicon pincer complex for electron transport and electroluminescence

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Abstract

A neutral hexacoordinate silicon complex containing two 2,6-bis(benzimidazol-2′-yl)pyridine (bzimpy) ligands has been synthesized and explored as a potential electron transport layer and electroluminescent layer in organic electronic devices. The air and water stable complex is fluorescent in solution with a λmax = 510 nm and a QY = 57%. Thin films grown via thermal evaporation also fluoresce and possess an average electron mobility of 6.3 × 10−5 cm2 V−1 s−1. An ITO/Si(bzimpy)2/Al device exhibits electroluminescence with λmax = 560 nm.

Graphical abstract: Si(bzimpy)2 – a hexacoordinate silicon pincer complex for electron transport and electroluminescence

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Article information


Submitted
24 Sep 2018
Accepted
19 Nov 2018
First published
20 Nov 2018

Chem. Commun., 2018,54, 14073-14076
Article type
Communication
Author version available

Si(bzimpy)2 – a hexacoordinate silicon pincer complex for electron transport and electroluminescence

M. Kocherga, J. Castaneda, M. G. Walter, Y. Zhang, N. Saleh, L. Wang, D. S. Jones, J. Merkert, B. Donovan-Merkert, Y. Li, T. Hofmann and T. A. Schmedake, Chem. Commun., 2018, 54, 14073
DOI: 10.1039/C8CC07681B

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