The recently synthesized Engelhard titanosilicate (ETS-10) represents a material which contains in the structure well defined atomic ... O-Ti-O-Ti-O ... quantum wires embedded in a highly insulating siliceous matrix. We report and discuss the UV-Vis spectrum of this material and compare the experimentally determined optical band gap with the results predicted by simple modeling of a titanium oxide semiconductor wire unidimensionally confined by an infinite potential barrier.
Quantum size effects in the titanosilicate molecular sive
BORELLO, Enzo;LAMBERTI, Carlo;BORDIGA, Silvia;ZECCHINA, Adriano;
1997-01-01
Abstract
The recently synthesized Engelhard titanosilicate (ETS-10) represents a material which contains in the structure well defined atomic ... O-Ti-O-Ti-O ... quantum wires embedded in a highly insulating siliceous matrix. We report and discuss the UV-Vis spectrum of this material and compare the experimentally determined optical band gap with the results predicted by simple modeling of a titanium oxide semiconductor wire unidimensionally confined by an infinite potential barrier.
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