Block Copolymer Nanotubes
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Sean Stewart; Guojun Liu
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Article
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2000
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John Wiley and Sons
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English
β 154 KB
π 1 views
A sample (0.104 g) of the binary alloy ΒͺKGe 4 ΒΊ, prepared by hightemperature reactions of pure elements (Aldrich) within sealed Nb tubing, was dissolved in neat en (5 mL), forming a dark green solution. A separate solution of [18]crown-6 (0.048 g, 0.182 mmol) in neat toluene (4 mL ) was slowly added