Abstract
A method of synthesis of ammonia cyclometalated Pt(II) complexes [Pt(NH3)2C∧N]ClO4, where C∧N is 2-phenylpyridinate or 2-phenylbenzothiazole ion, is developed. The electronic absorption and emission properties of the complexes are studied. It is found that the state responsible for intense long-lived luminescence is the excited charge-transfer state of the 3(d-π*) type, the π* orbital being localized at the corresponding cyclometalating ligand. Formation of platinum blue is observed in air-saturated aqueous solutions of ammonia cyclometalated complexes.
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Original Russian Text © M.V. Nikolaeva, M.V. Puzyk, 2013, published in Optika i Spektroskopiya, 2013, Vol. 114, No. 2, pp. 272–275.
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Nikolaeva, M.V., Puzyk, M.V. Spectral and luminescent investigations of ammonia cyclometalated Pt(II) complexes. Opt. Spectrosc. 114, 247–250 (2013). https://doi.org/10.1134/S0030400X13010219
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DOI: https://doi.org/10.1134/S0030400X13010219