Synthesis and Characterization of Highly Efficient Nickel Nanocatalysts and Their Use in Degradation of Organic Dyes

Figure 6

UV-Vis spectral analysis for catalytic reduction/degradation of a variety of dyes: (a) 0.02 mM RB; (b) 0.02 mM EB; (c) 0.02 mM MB; (d) 0.02 mM ECBT; and (e) mixture of all four dyes, carried out in 4.0 mL of deionized water with 0.01 mM NaBH₄ in the presence of a fixed amount of TX-100 stabilized Ni NSs (0.2 mg) obtained at pH 9.4.

(a)

(b)

(c)

(d)

(e)