High-quality colloidal photonic crystals obtained by optimizing growth parameters in a vertical deposition technique

Kuai, Su-Lan; Hu, Xiao-Li; Haché, Alain; Truong, Vo‐Van

doi:10.1016/j.jcrysgro.2004.03.015

Cited by 94 publications

(81 citation statements)

References 20 publications

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“…The multilayer PS opal films were obtained on the Si coated with ZnO substrates using vertical deposition technique [19]. The Si coated with ZnO substrates were treated by oxygen plasma before they were used for the preparation of the PS templates.…”

Section: Methodsmentioning

confidence: 99%

ZnO Inverse Opals Using Colloidal-Crystal Template Assisted Hydrothermal Method

Wang¹,

Fu²,

Li³

et al. 2016

Proceedings of the 4th 2016 International Conference on Material Science and Engineering (ICMSE 2016)

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Abstract. Both two-dimensional (2D) ZnO nanobowl arrays and three-dimensional (3D) ZnO inverse opals were fabricated using hydrothermal method with assistance of the three-dimensional colloidal crystal templates. Scanning electron microscope measurements showed the morphological evolutions of ZnO from rods to 2D monolayer nanobowl arrays and 3D porous films by controlling the concentration of hydrothermal solutions and reaction time. The photonic stop b and was characterized using reflections spectra presenting the 3D periodic geometry. The photoluminescence spectra indicate good crystalline quality via the hydrothermal route.

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Section: Methodsmentioning

confidence: 99%

ZnO Inverse Opals Using Colloidal-Crystal Template Assisted Hydrothermal Method

Wang¹,

Fu²,

Li³

et al. 2016

Proceedings of the 4th 2016 International Conference on Material Science and Engineering (ICMSE 2016)

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“…The crystals formed with convective assembly show a tendency towards FCC stacking, which has inspired detailed studies of the assembly process [92][93][94][95] . Moreover, the need to prepare perfect defect-free crystals for photonic applications, resulted in the identification of different defect structures and their causes [42,96,97] , and has even led to control over defect incorporation [98][99][100][101][102] . The thickness and uniformity of the colloidal crystals can be controlled by several experimental factors during the convective assembly process.…”

Section: Convective Assemblymentioning

confidence: 99%

Colloidal Crystals of Spheres and Cubes in Real and Reciprocal Space

Meijer

2015

Springer Theses

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“…First, colloidal crystal films made of 530 ± 10 nm polystyrene microspheres were grown by the electric-field-assisted vertical deposition method onto conducting supports [22,23]. The supports were prepared from single-crystal silicon and mica wafers covered with a 200 nm thick gold layer.…”

Section: Samplesmentioning

confidence: 99%

Periodic order and defects in Ni-based inverse opal-like crystals on the mesoscopic and atomic scale

et al. 2014

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The structure of inverse opal crystals based on nickel was probed on the mesoscopic and atomic levels by a set of complementary techniques such as scanning electron microscopy and synchrotron microradian and wide-angle diffraction. The microradian diffraction revealed the mesoscopic-scale face-centered-cubic (fcc) ordering of spherical voids in the inverse opal-like structure with unit cell dimension of 750 ± 10 nm. The diffuse scattering data were used to map defects in the fcc structure as a function of the number of layers in the Ni inverse opal-like structure. The average lateral size of mesoscopic domains is found to be independent of the number of layers. 3D reconstruction of the reciprocal space for the inverse opal crystals with different thickness provided an indirect study of original opal templates in a depth-resolved way. The microstructure and thermal response of the framework of the porous inverse opal crystal was examined using wide-angle powder x-ray diffraction. This artificial porous structure is built from nickel crystallites possessing stacking faults and dislocations peculiar for the nickel thin films.

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High-quality colloidal photonic crystals obtained by optimizing growth parameters in a vertical deposition technique

Cited by 94 publications

References 20 publications

ZnO Inverse Opals Using Colloidal-Crystal Template Assisted Hydrothermal Method

ZnO Inverse Opals Using Colloidal-Crystal Template Assisted Hydrothermal Method

Colloidal Crystals of Spheres and Cubes in Real and Reciprocal Space

Periodic order and defects in Ni-based inverse opal-like crystals on the mesoscopic and atomic scale

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