Supporting Information
The file contains twenty figures. Figure S1 is an HPLC chromatogram showing peak retention time for CTAB and CTAB-capped nanoparticles. Figures S2–S9 are spectrophotometric and colorimetric visualizations of metal detection using isotropic CTAB-capped nanoparticles. Figure S10 depicts the spectrophotometric and colorimetric detection of metal ions using bare gold and silver nanoparticles. Figures S11–S18 show the detection of metal ions using anisotropic nanoparticles of gold (i.e., AuNR1 and AuNR2). Figures S19 and S20 present the quantification of Cr3+ using bare AuNS and the catalytic degradation of 4-NP with CTAB, bare AuNS and bare AgNS, respectively.
Supporting Information File 1: Additional figures. | ||
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