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Title: Surface modification studies of edge-oriented molybdenum sulfide nanosheets
Authors: Zhang, H. 
Loh, K.P. 
Sow, C.H. 
Gu, H.
Su, X.
Huang, C.
Chen, Z.K.
Issue Date: 3-Aug-2004
Citation: Zhang, H., Loh, K.P., Sow, C.H., Gu, H., Su, X., Huang, C., Chen, Z.K. (2004-08-03). Surface modification studies of edge-oriented molybdenum sulfide nanosheets. Langmuir 20 (16) : 6914-6920. ScholarBank@NUS Repository.
Abstract: We have synthesized edge-oriented MoS 2 nanoaheets by the evaporation of a single source precursor based on Mo(IV)- tetrakis(diethylaminodithiocarbomato). The surface chemistry of the MoS 2 nanosheets has been studied in order to evaluate the chemical reactivities of the basal planes and edges. By irradiating the MoS 2 nanosheet with a scanning infrared laser, micron-scale lithographical structures can be created due to laser-induced oxidation of MoS 2 to form nanocrystalline MoS 2. Preferential reactivities of the MoS 2 basal edges in an electrochemical environment and during vapor phase deposition have been demonstrated. Functionalization of the basal plane with 1-pyrene acetic acid allows the immobilization of DNA and immunoglobins on the MoS 2 basal plane.
Source Title: Langmuir
ISSN: 07437463
DOI: 10.1021/la049887t
Appears in Collections:Staff Publications

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