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2004
Technology of materials
V 1500
Morphology Control of Stolzite Microcrystals with High Hierarchy in Solution.
Tetragonal PbWO4 microcrystals with special hierarchical structures are synthesized
46- 228 —
from aqueous solutions of Na2WO4, Pb(OAc)2, and cetyltrimethylammonium bromide
in an autoclave, controlling the amount of surfactant, pH value, and temperature. The
samples are characterized by XRD, TEM, SEM, Raman, and photoluminescence spectroscopy. The optical properties of these hierarchical tetragonal PbWO4 microcrystals
differ from those of the bulk crystals, which is related to their structural complexity and
speciality. — (LIU, B.; YU*, S.-H.; LI, L.; ZHANG, Q.; ZHANG, F.; JIANG, K.;
Angew. Chem., Int. Ed. 43 (2004) 36, 4745-4750; Dep. Mater. Sci. Eng., Univ. Sci.
Technol. China, Hefei 230026, Anhui, Peop. Rep. China; Eng.) — W. Pewestorf
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