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Issue 33, 2014
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Controllable growth of high-quality metal oxide/conducting polymer hierarchical nanoarrays with outstanding electrochromic properties and solar-heat shielding ability

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Abstract

The high performance of organic/inorganic hybrid materials relies largely on a scrupulous design of nanoarchitectures so that the organic and inorganic phases can work synergistically. We present a powerful two-step solution-based method for the fabrication of hierarchical metal oxide/conducting polymer heterostructured nanoarrays. Demonstrated examples include different nanostructures (nanorod arrays, nanorod-based networks and nanoplate arrays) of metal oxides (WO3 and NiO) and PANI (nanostubs, nanoparticles and nano-wrinkles). Given the unique composition and architecture, the hierarchical NiO/PANI nanoplate arrays show reversible multicolor changes, fast switching speeds of 90 and 120 ms for coloration and bleaching states, respectively, and a superior coloration efficiency of 121.6 cm2 C−1 under a low voltage of 1.2 V. Additionally, the application of the NiO/PANI nanoplate array coated FTO glass causes a temperature difference of 7–7.6 °C under different ambient temperatures, making it very attractive for potential applications in energy-saving smart windows. Our strategy paves the way for the design and synthesis of hierarchical metal oxide/conducting polymer nanoarrays with enhanced properties for new applications.

Graphical abstract: Controllable growth of high-quality metal oxide/conducting polymer hierarchical nanoarrays with outstanding electrochromic properties and solar-heat shielding ability

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Publication details

The article was received on 09 Apr 2014, accepted on 10 Jun 2014 and first published on 10 Jun 2014


Article type: Paper
DOI: 10.1039/C4TA01722F
Author version available: Download Author version (PDF)
Citation: J. Mater. Chem. A, 2014,2, 13541-13549
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    Controllable growth of high-quality metal oxide/conducting polymer hierarchical nanoarrays with outstanding electrochromic properties and solar-heat shielding ability

    D. Ma, G. Shi, H. Wang, Q. Zhang and Y. Li, J. Mater. Chem. A, 2014, 2, 13541
    DOI: 10.1039/C4TA01722F

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