Highly Enhanced Luminescence from Single-Crystalline C60·1m-xylene Nanorods
Chemistry of Materials2006Vol. 18(17), pp. 4190–4194
Citations Over TimeTop 10% of 2006 papers
Lin Wang, Bingbing Liu, Shidan Yu, Mingguang Yao, Dedi Liu, Yuanyuan Hou, Tian Cui, Guangtian Zou, Bertil Sundqvist, Han You, Dingke Zhang, Dongge Ma
Abstract
Single-crystalline C60·1m-xylene nanorods with a hexagonal structure were successfully synthesized by evaporating a C60 solution in m-xylene at room temperature. The ratio of the length to the diameter of the nanorods can be controlled in the range of ≈10 to over 1000 for different applications. The photoluminescence (PL) intensity of the nanorods is about 2 orders of magnitude higher than that for pristine C60 crystals in air. Both UV and Raman results indicate that there is no charge transfer between C60 and m-xylene. It was found that the interaction between C60 and m-xylene molecules is of the van der Waals type. This interaction reduces the icosahedral symmetry of C60 molecule and induces strong PL from the solvate nanorods.
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