From capacitance-controlled to diffusion-controlled electrochromism in one-dimensional shape-tailored tungsten oxide nanocrystals. Giannuzzi, R., Scarfiello, R., Sibillano, T., Nobile, C., Grillo, V., Giannini, C., Cozzoli, P., & Manca, M. Nano Energy, 41:634-645, Elsevier Ltd, 2017. cited By 24![From capacitance-controlled to diffusion-controlled electrochromism in one-dimensional shape-tailored tungsten oxide nanocrystals [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex The engineering of electrochemically active films based on structurally and geometrically controlled transition-metal oxide nanocrystals holds promise for the development of a new generation of energy-efficient dynamic windows that may enable a spectrally selective control of sunlight transmission over the near-infrared regime. Herein, the different spectro-electrochemical signatures of two sets of engineered nanotextured electrodes made of distinct anisotropic-shaped tungsten oxide building blocks are comparatively investigated. The electrodes were fabricated starting from corresponding one-dimensional colloidal nanocrystals, namely solid and longitudinally carved nanorods, respectively, which featured identical crystal phase and lattice orientation, but exposed two distinct space-filled volume structures with subtly different lattice parameters and nonequivalent types of accessible surfaces. The shape of nanocrystalline building blocks greatly impacted on the fundamental electrochemical charge-storage mechanisms and, hence on the electrochromic response of these electrodes, due to concomitant bulk and surface-structure effects that could not be entirely traced to mere differences in surface-to-volume ratio. Electrodes made of carved nanorods accommodated more than 80% of the total charge through surface-capacitance mechanisms. This unique prerogative was ultimately demonstrated to enable an outstanding spectral selectivity as well as an extremely efficient dynamic modulation of the optical transmittance at near-infrared frequencies ( 80% in the range 700–1600 nm). © 2017 Elsevier Ltd
@ARTICLE{Giannuzzi2017634,
author={Giannuzzi, R. and Scarfiello, R. and Sibillano, T. and Nobile, C. and Grillo, V. and Giannini, C. and Cozzoli, P.D. and Manca, M.},
title={From capacitance-controlled to diffusion-controlled electrochromism in one-dimensional shape-tailored tungsten oxide nanocrystals},
journal={Nano Energy},
year={2017},
volume={41},
pages={634-645},
doi={10.1016/j.nanoen.2017.09.058},
note={cited By 24},
url={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85031492613&doi=10.1016%2fj.nanoen.2017.09.058&partnerID=40&md5=404e42415e26fceb5242a4137b5d2152},
abstract={The engineering of electrochemically active films based on structurally and geometrically controlled transition-metal oxide nanocrystals holds promise for the development of a new generation of energy-efficient dynamic windows that may enable a spectrally selective control of sunlight transmission over the near-infrared regime. Herein, the different spectro-electrochemical signatures of two sets of engineered nanotextured electrodes made of distinct anisotropic-shaped tungsten oxide building blocks are comparatively investigated. The electrodes were fabricated starting from corresponding one-dimensional colloidal nanocrystals, namely solid and longitudinally carved nanorods, respectively, which featured identical crystal phase and lattice orientation, but exposed two distinct space-filled volume structures with subtly different lattice parameters and nonequivalent types of accessible surfaces. The shape of nanocrystalline building blocks greatly impacted on the fundamental electrochemical charge-storage mechanisms and, hence on the electrochromic response of these electrodes, due to concomitant bulk and surface-structure effects that could not be entirely traced to mere differences in surface-to-volume ratio. Electrodes made of carved nanorods accommodated more than 80% of the total charge through surface-capacitance mechanisms. This unique prerogative was ultimately demonstrated to enable an outstanding spectral selectivity as well as an extremely efficient dynamic modulation of the optical transmittance at near-infrared frequencies (~ 80% in the range 700–1600 nm). © 2017 Elsevier Ltd},
publisher={Elsevier Ltd},
issn={22112855},
document_type={Article},
source={Scopus},
}
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