DNA-Assisted β-phase Nucleation and Alignment of Molecular Dipoles in PVDF Film: A Realization of Self-Poled Bioinspired Flexible Polymer Nanogenerator for Portable Electronic Devices

被引：157

作者：

Tamang, Abiral ^{[1
]}

Ghosh, Sujoy Kumar ^{[1
]}

Garain, Samiran ^{[1
]}

Alam, Md. Mehebub ^{[1
]}

Haeberle, Joerg ^{[2
]}

Henkel, Karsten ^{[2
]}

Schmeisser, Dieter ^{[2
]}

Mandal, Dipankar ^{[1
]}

机构：

[1] Jadavpur Univ, Dept Phys, Organ Nanopiezoelect Device Lab, Kolkata 700032, India

[2] Brandenburg Tech Univ Cottbus Senftenberg, Angew Phys Sensor, D-03046 Cottbus, Germany

来源：

ACS APPLIED MATERIALS & INTERFACES | 2015年 / 7卷 / 30期

关键词：

PVDF; beta-phase; DNA; self-poling; piezoelectric flexible nanogenerator; ENERGY; PERFORMANCE; NANOPARTICLES; NANOWIRES; COMPOSITE;

D O I：

10.1021/acsami.5b04161

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A flexible nanogenerator (NG) is fabricated with a poly(vinylidene fluoride) (PVDF) film, where deoxyribonucleic acid (DNA) is the agent for the electroactive beta-phase nucleation. Denatured DNA is co-operating to align the molecular -CH2/-CF2 dipoles of PVDF causing piezoelectricity without electrical poling. The NG is capable of harvesting energy from a variety of easily accessible mechanical stress such as human touch, machine vibration, football juggling, and walking. The NG exhibits high piezoelectric energy conversion efficiency facilitating the instant turn-on of several green or blue light-emitting diodes. The generated energy can be used to charge capacitors providing a wide scope for the design of self-powered portable devices.

引用

页码：16143 / 16147

页数：5

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