Issue 13, 2013

Poly(γ-benzyl-l-glutamate) decorated with cyanoferrate complex: synthesis, characterization and electrochemical properties

Abstract

New 4-armed star poly(γ-benzyl-L-glutamate) decorated with cyanoferrate complex (PBLG-Fe) was successfully synthesized by ring-opening polymerization of γ-benzyl-L-glutamate, followed by a post-functionalization procedure. We demonstrated for the first time that incorporation of metal complex into PBLG induced hexagonally stacked PBLG to disassemble, affording water swelling nano-helices, as confirmed by FT-IR, CD, XRD and TEM. PBLG-Fe nano-helices were electrochemically active. Interestingly, the apparent electron diffusion coefficient (Dm) of PBLG-Fe was dependent on the molecular weight of PBLG-Fe. Maximum Dm was achieved for PBLG-Fe with moderate molecular weight. Such metal coordinated polypeptides offer a new opportunity for the synthesis of highly anisotropic functional nanomaterials with potential applications in nano-devices.

Graphical abstract: Poly(γ-benzyl-l-glutamate) decorated with cyanoferrate complex: synthesis, characterization and electrochemical properties

Supplementary files

Article information

Article type
Paper
Submitted
27 Mar 2013
Accepted
18 Apr 2013
First published
19 Apr 2013

Polym. Chem., 2013,4, 3821-3828

Poly(γ-benzyl-L-glutamate) decorated with cyanoferrate complex: synthesis, characterization and electrochemical properties

G. Liang, Q. Wu, W. Qin, S. Bao, F. Zhu and Q. Wu, Polym. Chem., 2013, 4, 3821 DOI: 10.1039/C3PY00404J

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