Creation of bismuth–tungsten oxide nanoclusters using lacunary polyoxometalates†
Abstract
Three types of heterometallic bismuth–tungsten oxide nanoclusters were successfully synthesized by the reactions of lacunary silicotungstates (trivacant [A-α-SiW9O34]10− and divacant [γ-SiW10O36]8−) and Bi3+ in organic solvents. Lone pairs on Bi3+ acted as structure-directing groups in these nanoclusters.