Antireflective surfaces based on biomimetic nanopillared arrays

Li, Yunfeng; Zhang, Junhu; Yang, Bai

doi:10.1016/j.nantod.2010.03.001

Cited by 280 publications

(209 citation statements)

References 87 publications

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“…For example, electrospinning with a tip collector, 167 template-guided growth, 168,169 colloidal lithography or nanosphere lithography, 170,171 and superlattice nanowire pattern transfer process, 172 etc. The template-guided growth proposed by Martin 168,169 is an effective technique to synthesize arrays of aligned metal, semiconductor, and polymer micro-/nanotubes and wires with controllable length and diameter.…”

Section: Other Approachesmentioning

confidence: 99%

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Recent advances in large-scale assembly of semiconducting inorganic nanowires and nanofibers for electronics, sensors and photovoltaics

et al. 2012

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Semiconducting inorganic nanowires (NWs), nanotubes and nanofibers have been extensively explored in recent years as potential building blocks for nanoscale electronics, optoelectronics, chemical/biological/ optical sensing, and energy harvesting, storage and conversion, etc. Besides the top-down approaches such as conventional lithography technologies, nanowires are commonly grown by the bottom-up approaches such as solution growth, template-guided synthesis, and vapor-liquid-solid process at a relatively low cost. Superior performance has been demonstrated using nanowires devices. However, most of the nanowire devices are limited to the demonstration of single devices, an initial step toward nanoelectronic circuits, not adequate for production on a large scale at low cost. Controlled and uniform assembly of nanowires with high scalability is still one of the major bottleneck challenges towards the materials and device integration for electronics. In this review, we aim to present recent progress toward nanowire device assembly technologies, including flow-assisted alignment, Langmuir-Blodgett assembly, bubble-blown technique, electric/magnetic-field-directed assembly, contact/roll printing, planar growth, bridging method, and electrospinning, etc. And their applications in high-performance, flexible electronics, sensors, photovoltaics, bioelectronic interfaces and nano-resonators are also presented.

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Section: Other Approachesmentioning

confidence: 99%

“…170,171 The general fabrication process is as follows: first, monodisperse colloidal crystals are prepared on the substrate as masks through dip-coating, spin-coating, electrophoretic deposition, or Langmuir-Blodgett assembly, etc. and then, the substrates are etched by reactive ion etching.…”

Section: Other Approachesmentioning

confidence: 99%

Recent advances in large-scale assembly of semiconducting inorganic nanowires and nanofibers for electronics, sensors and photovoltaics

et al. 2012

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“…Optimized biological solutions provide a source of inspiration for scientists to design rationally and to construct reproducibly multiscale structures for multifunctional integration. [4][5][6][7][8] In nature, nacre, glass sponges, teeth, bones, and other biomaterials have evolved different solutions to overcome the brittleness of their building materials. [9][10][11] Among the variety of biological materials, nacre is one of most promising owing to its superior mechanical strength and toughness (Fig.…”

Section: Introductionmentioning

confidence: 99%

Fusion of nacre, mussel, and lotus leaf: bio-inspired graphene composite paper with multifunctional integration

et al. 2013

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Multifunctional integration is an inherent characteristic for biological materials with multiscale structures. Learning from nature is an effective approach for scientists and engineers to construct multifunctional materials. In nature, mollusks (abalone), mussels, and the lotus have evolved different and optimized solutions to survive. Here, bio-inspired multifunctional graphene composite paper was fabricated in situ through the fusion of the different biological solutions from nacre (brick-and-mortar structure), mussel adhesive protein (adhesive property and reducing character), and the lotus leaf (self-cleaning effect). Owing to the special properties (self-polymerization, reduction, and adhesion), dopamine could be simultaneously used as a reducing agent for graphene oxide and as an adhesive, similar to the mortar in nacre, to crosslink the adjacent graphene. The resultant nacre-like graphene paper exhibited stable superhydrophobicity, self-cleaning, anticorrosion, and remarkable mechanical properties underwater. Multifunctional integration is an inherent characteristic for biological materials with multiscale structures.Learning from nature is an effective approach for scientists and engineers to construct multifunctional materials. In nature, mollusks (abalone), mussels, and the lotus have evolved different and optimized solutions to survive. Here, bio-inspired multifunctional graphene composite paper was fabricated in situ through the fusion of the different biological solutions from nacre (brick-and-mortar structure), mussel adhesive protein (adhesive property and reducing character), and the lotus leaf (self-cleaning effect).Owing to the special properties (self-polymerization, reduction, and adhesion), dopamine could be simultaneously used as a reducing agent for graphene oxide and as an adhesive, similar to the mortar in nacre, to crosslink the adjacent graphene. The resultant nacre-like graphene paper exhibited stable superhydrophobicity, self-cleaning, anti-corrosion, and remarkable mechanical properties underwater.

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“…To achieve high light absorption and conformal polymer spin coating, the nanostructures on the Si surface should be smaller than the wavelength of incident light. 18,19 The formation of a tapered nanostructure profile is preferred. 13,25 The pillar structures, which is referred as the NS1 structure in this paper, has a 100 to 200 nm diameter and 100 nm depth (scanning electron microscopy (SEM) image, Figure 2a).…”

Section: Resultsmentioning

confidence: 99%

Efficiency Enhancement of PEDOT:PSS/Si Hybrid Solar Cells by Using Nanostructured Radial Junction and Antireflective Surface

Chen

Con

et al. 2013

ACS Appl. Mater. Interfaces

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ABSTRACT:We demonstrate the implementation of a hybrid solar cell that comprises a surface nanostructured ntype Si and poly(3,4-ethylenedioxythiophene):poly-(styrenesulfonate). The Si surface before deposition of the organic layer was nanostructured by using CsCl self-assembled nanoparticles as a hard mask and dry etching to form radial junction architectures and enhance light diffusion and absorption. Apart from the textured Si surface, processing parameters such as from metal-electrode shadow ratio, spincoating rate, and surfactant addition were properly adjusted to improve overall cell performance. Our hybrid solar cells achieve the best performance under optimized cell parameters with a power conversion efficiency of 8.84% and short-circuit current density of 30.5 mA/cm 2 . This combined technique provides a simple, scalable, and cost-effective process for fabricating hybrid solar cells.

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Antireflective surfaces based on biomimetic nanopillared arrays

Cited by 280 publications

References 87 publications

Recent advances in large-scale assembly of semiconducting inorganic nanowires and nanofibers for electronics, sensors and photovoltaics

Recent advances in large-scale assembly of semiconducting inorganic nanowires and nanofibers for electronics, sensors and photovoltaics

Fusion of nacre, mussel, and lotus leaf: bio-inspired graphene composite paper with multifunctional integration

Efficiency Enhancement of PEDOT:PSS/Si Hybrid Solar Cells by Using Nanostructured Radial Junction and Antireflective Surface

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