Precisely size-controlled fabrication of germanium pyramid array as an effective light-trapping material for photonic devices

Acikgoz, Sabriye; Yungevis, Hasan

doi:10.1007/s00339-021-05108-1

Cited by 1 publication

(1 citation statement)

References 62 publications

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“…3D-shaped nonspherical particles are projected to be useful in a variety of applications, including self-assembly, [1][2][3] tissue engineering, [4][5][6] mechanical engineering, 7,8 biological diagnostics, 9,10 photonics, [11][12][13] drug delivery, 14 and so forth. Polyhedral milliparticles (PMPs), an important category of the nonspherical particles, are constructed with more than three flat facets.…”

Section: Introductionmentioning

confidence: 99%

Tailoring 3D shapes of polyhedral milliparticles by adjusting orthogonal projection in a microfluidic channel

Zhou

Jia

Liang

et al. 2022

Journal of Polymer Science

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Polyhedral milliparticles (PMPs) have promising applications in self‐assembly, tissue engineering, mechanical engineering, and photonics. The shapes and sizes of the PMPs have great impact on their functions. To date, the reported methods for adjusting the shapes and sizes of PMPs are still limited. Especially, it remains a challenge to fabricate the PMPs with high asymmetry. Here, we present a facile and efficient approach that focuses on the alteration of the relative positions between the microchannel and the UV light to tailor the shaping process of the PMPs. By tuning the rotation angle and translation displacement, a variety of monodisperse PMPs with both centrosymmetric and noncentrosymmetrical structures are synthesized, including tetrahedra, pentahedra, hexahedra, and so forth. Moreover, the polymeric PMPs are loaded with silica nanoparticles and further sintered into silica. The obtained silica PMPs hold great potential for the applications such as machining tools, abrasives, and electronics.

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