Yingchen Bai, Daohui Lin, Fengchang Wu, Zhenyu Wang, Baoshan Xing
Department of Plant, Soil and Insect Sciences, University of Massachusetts, Amherst, MA 01003, USA.
Chemosphere 2010 AprSurfactants can enhance the stabilization of carbon nanotubes (CNTs) in water through their adsorption, thus affecting the environmental behavior and application of CNTs. However, the quantitative relationship between adsorption and stabilization and the role of the surfactant structure in the surfactant-CNT interactions are largely unknown. Therefore, Triton X-series surfactants with a same hydrophobic functional group (4-(1,1,3,3-tetramethylbutyl)-phenyl) and different hydrophilic polyethoxyl chain lengths were selected to investigate their adsorption onto CNTs and their ability to stabilize CNT suspensions. Adsorption data were fitted well by Langmuir equation, indicating monolayer coverage on CNTs. Adsorption capacities of the surfactants increased with decreasing hydrophilic chain length: Triton-305
Yingchen Bai, Daohui Lin, Fengchang Wu, Zhenyu Wang, Baoshan Xing. Adsorption of Triton X-series surfactants and its role in stabilizing multi-walled carbon nanotube suspensions. Chemosphere. 2010 Apr;79(4):362-7
PMID: 20206374
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