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Naziruddin AR, Lee CS, Lin WJ, et al. Platinum complexes bearing normal and mesoionic N-heterocyclic carbene based pincer ligands: syntheses, structures, and photo-functional attributes. Dalton Trans. 2016;45(13):5848-59doi: 10.1039/c5dt04770f.
Naziruddin, A. R., Lee, C. S., Lin, W. J., Sun, B. J., Chao, K. H., Chang, A. H., & Hwang, W. S. (2016). Platinum complexes bearing normal and mesoionic N-heterocyclic carbene based pincer ligands: syntheses, structures, and photo-functional attributes. Dalton transactions (Cambridge, England : 2003), 45(13), 5848-59. https://doi.org/10.1039/c5dt04770f
Naziruddin, Abbas Raja, et al. "Platinum complexes bearing normal and mesoionic N-heterocyclic carbene based pincer ligands: syntheses, structures, and photo-functional attributes." Dalton transactions (Cambridge, England : 2003) vol. 45,13 (2016): 5848-59. doi: https://doi.org/10.1039/c5dt04770f
Naziruddin AR, Lee CS, Lin WJ, Sun BJ, Chao KH, Chang AH, Hwang WS. Platinum complexes bearing normal and mesoionic N-heterocyclic carbene based pincer ligands: syntheses, structures, and photo-functional attributes. Dalton Trans. 2016 Apr 07;45(13):5848-59. doi: 10.1039/c5dt04770f. Epub 2016 Mar 07. PMID: 26947757.
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Dalton Trans. 2016 Apr 07;45(13):5848-59. doi: 10.1039/c5dt04770f. Epub 2016 Mar 07.

Platinum complexes bearing normal and mesoionic N-heterocyclic carbene based pincer ligands: syntheses, structures, and photo-functional attributes.

Dalton transactions (Cambridge, England : 2003)

Abbas Raja Naziruddin, Chen-Shiang Lee, Wan-Jung Lin, Bing-Jian Sun, Kang-Heng Chao, Agnes Hsiu Hwa Chang, Wen-Shu Hwang

Affiliations

  1. National Dong Hwa University, Hualien 97401, Taiwan, Republic of China. [email protected].

PMID: 26947757 DOI: 10.1039/c5dt04770f

Abstract

Platinum complexes featuring pyridine bis-N-heterocyclic-imidazol-2-ylidene/-mesoionic-triazol-5-ylidene donors as pincer ligands and chloro (-Cl), acetonitrile (-NCCH3) or cyano (-CN) groups as auxiliary ligands are prepared as highly strained organometallic phosphors. X-ray structures of four of these complexes confirm a distorted square planar geometry, where the pincer ligand and its mesityl wingtips occur in a twisted conformation to each other. Electrochemical and photophysical characterization have been carried out and the experimental results are interpreted with the aid of density functional theory calculations. Emission responses of complexes under exposure to different vapors and mechanical shear are reported. Notably, the platinum complex featuring pyridine bis-imidazol-2-ylidene and a weakly donating acetonitrile auxiliary ligand exhibited strong aquachromic and mechanochromic emission responses, showing color changes from sky blue to green or yellow-green.

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