Sensitive Electrochemical Detection of Glucose at Glucose Oxidase-Cobalt Phthalocyanine-Modified Boron-Doped Diamond Electrode

Figure 1

XPS of (a) H-, (b) 4VP-, and (c) CoPc-BDD surfaces. (d) Co 2p spectrum of CoPc-BDD surface.

(a) H-BDD

(b) 4VP-BDD

(c) CoPc-BDD

(d) CoPc-BDD (Co 2p)