Tuning of multifunctional Cu-doped ZnO films and nanowires for enhanced piezo/ferroelectric-like and gas/photoresponse properties

Nanoscale
Wei Li OngGhim Wei Ho

Abstract

The prospect of tuning and enhancing multiple properties of ZnO from optical, electrical, piezo to ferroelectricity/magnetism with Cu dopants will certainly spur the pursuit of facile doping methodology to immensely advance this field of research. Here, a one-step aqueous synthesis of Cu-doped ZnO nanostructured materials with effective controllability over the morphology (film to nanowire) and doping concentrations both on rigid and flexible substrates has been developed. High structural integrity Cu-doped ZnO films and nanowires were achieved without multiple/harsh post-processing which tends to degrade their functional properties. Comprehensive investigations of varying doping concentrations on the enhancement and tunability of room temperature piezo/ferroelectricity to gas/photosensing multifunctional properties were systematically reported for the first time.

References

Apr 2, 2009·The Journal of Chemical Physics·Congkang XuHoward Wang
Apr 8, 2011·Advanced Materials·Tun Seng HerngJun Ding
Sep 6, 2012·ACS Applied Materials & Interfaces·Amit KumarJun Ding

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Citations

Dec 9, 2014·Physical Chemistry Chemical Physics : PCCP·Yongming FuXinyu Xue
Nov 26, 2014·Dalton Transactions : an International Journal of Inorganic Chemistry·Rafique Ul IslamKaushik Mallick
Oct 2, 2015·Beilstein Journal of Nanotechnology·Talwinder KaurA K Srivastava

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