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 Ioannis B Koutselas |
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| Institution: | (1) Theoretical and Physical Chemistry Institute, National Hellenic Research Foundation, GR-11635 Athens, Greece, GR |
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| Abstract: | Summary. 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.
Received June 23, 2000. Accepted August 1, 2000 |
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| Keywords: | , ,UV/Vis spectroscopy, Solid state, Nanostructures, Fluorescence spectroscopy, Chromophores, |
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