Figure 3

(a) UV–Vis spectral analysis of (i) 15Co/600MA (ii) 15Co/700MA (iii) 10Co/800MA (iv) 15Co/800MA (v) 20Co/800MA, and (vi) 15Co/900MA catalysts. (b) FTIR spectral analysis of (i) 15Co/600MA (ii) 15Co/700MA (iii) 10Co/800MA (iv) 15Co/800MA (v) 20Co/800MA, and (vi) 15Co/900MA catalysts.