Reduction of Hydroxylatecf Fullerene (FuIIerol) in Water by Zinc: Reaction and Hemiketal Product Characterization

Jiewei Wu; Lawrence B. Alemany; Wenlu Li

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Reduction of Hydroxylatecf Fullerene (FuIIerol) in Water by Zinc: Reaction and Hemiketal Product Characterization

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Water-soluble, hydroxylated fullerene (fullerol) materials have recently gained increasing attention as they have been identified as the primary product(s) during the exposure of fullerenes (as water stable, nanoscale aggregated C_(60)) to UV light in water. The physical properties and chemical reactivity of resulting fullerols, however, have not been thoroughly studied. In this paper, we identified and characterized the reductive transformation of fullerol (C_(60)(OH)_x, (ONa)_y) by solid zinc metal (Zn(0)) through a series of batch reaction experiments and product characterization, including ~(13)C NMR, FTIR, XPS, UV-vis, DLS, and TEM. Results indicated the facile formation of water stable, pH sensitive hemiketal functionality as part of a relatively reduced fullerol product. Further, aqueous physical behavior of the product fullerol, as measured by octanol partitioning and surface deposition rates, was observed to significantly differ from the parent material and is consistent with a relative increase in molecular (product) hydrophobicity.

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《Environmental Science & Technology: ES&T》 |2014年第13期|7384-7392|共9页
作者
Jiewei Wu; Lawrence B. Alemany; Wenlu Li;
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作者单位

Department of Energy, Environmental and Chemical Engineering, Washington University in St. Louis, St, Louis, Missouri 63130, United States;

Shared Equipment Authority and Department of Chemistry, Rice University, Houston, Texas 77005, United States;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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正文语种英语
中图分类环境科学、安全科学;
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Reduction of Hydroxylatecf Fullerene (FuIIerol) in Water by Zinc: Reaction and Hemiketal Product Characterization

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