Tran Thi Bich Quyen * , Luong Huynh Vu Thanh , Doan Van Hong Thien , Nguyen Thi Xuan Chi , Nguyen Thi Diem Nhi and Bui Le Anh Tuan

* Corresponding author (

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A simple and effective approach has been developed to synthesize palladium nanosheets that were successfully employed by reducing the Pd salt precursor in N,N-dimethylformamide (DMF), cetyltrimethylammonium bromide (CTAB), citric acid and using variuos reducing agents of CO gas and tungsten hexacarbonyl (W(CO)6). It indicates to be novel method for the synthesis providing a cost effective and an efficient route for the Pd nanosheets’ synthesis. The prepared Pd nansheets have been characterized by UV-vis, TEM and XRD. Result showed those Pd nanosheets have been obtained with the average edge length of ~20-25 nm (using CO gas) and around ~20 nm (using W(CO)6). Thus, the method using W(CO)6 as a reducing agent could be a competitive alternative to the approach used CO gas for the synthesis of Pd nanosheets. Since, it has a potential to use for applications in photothermal therapy, biosensor, catalyst,… with highly plasmonic and catalytic properties in the current and in future. 
Keywords: Catalytic, characterization, CO gas, palladium nanosheets (Pd NSs), plasmonic, tungsten hexacarbonyl (W(CO)6)

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