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Preparation of non‐covalent Metalloporphyrin/C 60 Composite and its Electrocatalysis to Hydrogen Peroxide
Author(s) -
Zhu Jie,
Gong Xiaojie,
Zhang Mengdan,
Zheng Chaoyue,
Chen Naiwu,
Sandford Graham,
Wu Qiong,
Huang Wei,
Gao Deqing
Publication year - 2017
Publication title -
electroanalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.574
H-Index - 128
eISSN - 1521-4109
pISSN - 1040-0397
DOI - 10.1002/elan.201600495
Subject(s) - chemistry , electrocatalyst , hydrogen peroxide , cyclic voltammetry , differential pulse voltammetry , ascorbic acid , covalent bond , electrochemistry , electrode , inorganic chemistry , nuclear chemistry , organic chemistry , food science
Three non‐covalent metallotetraphenylporphyrin/fullerene (MTPPS 4 (M=Zn 2+ , Fe 2+ , Co 2+ )/C 60 ) nanocomposites were prepared by π‐π molecular interaction and characterized by scanning electron microscopy and UV‐Vis absorption spectroscopy. Electrocatalytic studies indicated that the MTPPS 4 /C 60 nanocomposites which were embedded in TOAB film on the glassy carbon electrode (GCE) (TOAB/MTPPS 4 /C 60 /GCE) exhibited a high electrocatalytic activity for H 2 O 2 . MTPPS 4 enhanced the electrocatalytic ability of C 60 in the increasing order of TOAB/ZnTPPS 4 /C 60 /GCE, TOAB/FeTPPS 4 /C 60 /GCE and TOAB/CoTPPS 4 /C 60 /GCE. The measurement with the differential pulse voltammetry (DPV) exhibited that there is a well‐defined linear relationship between the reduction currents and H 2 O 2 concentrations in the range from 0.3 to 1.0 mM, with the detection limit of 0.07 mM at the TOAB/ZnTPPS 4 /C 60 /GCE electrode, of 0.08 mM at the TOAB/FeTPPS 4 /C 60 /GCE electrode, of 0.04 mM at the TOAB/CoTPPS 4 /C 60 /GCE electrode, respectively. The biosensors showed a good anti‐interfering ability towards glucose, ascorbic acid and L‐cysteine and a high potential practicality.