“…GNPs have used as catalysts for some CL liquid-phase reactions (Zhang et al, 2005(Zhang et al, , 2006bDuan et al, 2008Duan et al, , 2007Cui et al, 2005a,b;Li et al, 2008). It was found that 6-99-nm GNPs could enhance the luminol-H 2 O 2 CL in different degrees (Zhang et al, 2005).…”