Excitonic Bands in the Spectra of Some Organic-Inorganic Hybrid Compounds Based on Metal Halide Units |
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| Authors: | George C Papavassiliou George A Mousdis and Ioannis B Koutselas |
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| Institution: | (1) Department of Chemistry, Faculty of Sciences, University of Chile, Casilla, 653, Santiago, Chile |
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| Abstract: | The optical absorption, photoluminescence, and photoconductivity spectra of some compounds of the formulas R(CH2) n NH3] x M y X z , R(CH2) n NH(CH3)2] x M y X z , R(CH2) n S(CH3)2] x M y X z , R(CH2) n SC(NH2)2] x M y X z , and R(CH2) n SeC(NH2)2] x M y X z (R = organic residue; M = Bi(III), Pb(II), Sn(II), Cu(I), Ag(I) etc; X = I, Br, Cl; n, x, y, z = 0, 1, 2, 3, …) are briefly reviewed, and some new results are reported. The position, intensity, and shape of the excitonic bands depend on the dimensionality and size of the inorganic network as well as on the nature of the M, X, R, and onium moieties. |
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