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Surface tension mediated conversion of light to work.
J Am Chem Soc ; 131(15): 5396-8, 2009 Apr 22.
Artigo em Inglês | MEDLINE | ID: mdl-20560635
ABSTRACT
As energy demands increase, new, more direct, energy collection and utilization processes must be explored. We present a system that intrinsically combines the absorption of sunlight with the production of useful work in the form of locomotion of objects on liquids. Focused sunlight is locally absorbed by a nanostructured composite, creating a thermal surface tension gradient and, subsequently, motion. Controlled linear motion and rotational motion are demonstrated. The system is scale independent, with remotely powered and controlled motion shown for objects in the milligram to tens of grams range.
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Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Assunto principal: Luz Solar / Tensão Superficial / Fontes Geradoras de Energia / Movimento (Física) Idioma: Inglês Revista: J Am Chem Soc Ano de publicação: 2009 Tipo de documento: Artigo País de afiliação: Estados Unidos