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Science 13 October 2006:
Vol. 314. no. 5797, p. 220
DOI: 10.1126/science.314.5797.220b

This Week in Science

Self-assembly allows complex objects to be fabricated merely by mixing components with the right sort of surface interactions, but for small particles, a template or patterned surface is usually needed to ensure the proper ordering. Tang et al. (p. 274 show that they can assemble free-standing sheets of cadmium telluride particles in solvent without the need for surface walls or a two-solvent interface. Instead, the assembly is driven by a combination of small driving forces, such as dipole moments and hydrophobic attractions.






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Science. ISSN 0036-8075 (print), 1095-9203 (online)