Cross-Linking Bi<sub>2</sub>S<sub>3</sub> Ultrathin Nanowires: A Platform for Nanostructure Formation and Biomolecule Detection
Ludovico Cademartiri
Francesco Scotognella
Paul G. O’Brien
Bettina V. Lotsch
Jordan Thomson
Srebri Petrov
Nazir P. Kherani
Geoffrey A. Ozin
10.1021/nl803417v.s003
https://acs.figshare.com/articles/media/Cross_Linking_Bi_sub_2_sub_S_sub_3_sub_Ultrathin_Nanowires_A_Platform_for_Nanostructure_Formation_and_Biomolecule_Detection/2865838
This paper describes the use of chemical cross-linking of ultrathin inorganic nanowires as a bottom-up strategy for nanostructure fabrication as well as a chemical detection platform. Nanowire microfibers are produced by spinning a nanowire dispersion into a cross-linker solution at room temperature. Nanomembranes with thicknesses down to 50 nm were obtained by injecting the nanowire dispersion at the cross-linker-solution/air interface. Furthermore, the sensitivity of the nanowire to amine cross-linkers allowed development of a novel sensing platform for small molecules, like the neurotransmitter serotonin, with detection limits in the picomolar regime.
2009-04-08 00:00:00
Biomolecule DetectionThis paper
Nanowire
2S
chemical detection platform
nanowire dispersion