Nanoimprinted photonic crystal color filters for solar-powered reflective displays

Cho, Eun Hyoung; Kim, Hae Sung; Sohn, Jin Seung; Moon, Chang Youl; Park, No Cheol; Park, Young Pil

doi:10.1364/oe.18.027712

Cited by 41 publications

(28 citation statements)

References 9 publications

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“…It is known that the EBL is only suitable for small‐scale nano‐patterning due to its long writing time. Nanoimprinting or laser interference lithography may be potentially considered for manufacturing a large‐scale version of the proposed color filters.…”

Section: Experimental Materials and Methodsmentioning

confidence: 99%

Highly reflective subtractive color filters capitalizing on a silicon metasurface integrated with nanostructured aluminum mirrors

Yue

Gao

Kim

et al. 2017

Laser & Photonics Reviews

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Metasurface‐based color filters have been recently applied for the creation of imaging devices and color printing in a subwavelength scale. In this work, a highly reflective subtractive color filter featuring an excellent color contrast is conceived and demonstrated, by exploiting a crystalline‐silicon nanopillar (NP)‐based dielectric metasurface integrated with an aluminum disk mirror (DM) and holey mirror (HM) at the top and bottom, respectively. A deep suppression in reflection is acquired through a magnetic dipole (MD) resonance that is supported by the constituent NP, and can be effectively tailored via the control of the NP diameter. The cooperation of the nanostructured DM and HM plays a dual role of dramatically boosting the efficiency and reinforcing the confinement of the MD in the NP, which is primarily accountable for the reduction in the spectral bandwidth. For the manufactured filters, both a high reflection efficiency reaching ∼70% and relatively small bandwidth of ∼55 nm are attained, thus leading to a broad palette of vivid and bright colors. The proposed devices are supposed to exhibit a polarization‐insensitive operation and a relaxed angular tolerance, thereby facilitating the implementation of miniaturized display/imaging devices with a high resolution and excellent color fidelity.

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Section: Experimental Materials and Methodsmentioning

confidence: 99%

Highly reflective subtractive color filters capitalizing on a silicon metasurface integrated with nanostructured aluminum mirrors

Yue

Gao

Kim

et al. 2017

Laser & Photonics Reviews

View full text Add to dashboard Cite

show abstract

“…Many studies have been conducted on dielectric guided-mode resonance (GMR) filters [1], and various practical applications have been suggested such as narrow-line feedback elements [2], biosensors [3], tunable optical filters [4], dispersion engineering [5], polarization beam splitters [6,7], high power microwave frequency selective elements [8], and color filters [9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Independent Color Filtering of Differently Polarized Light Using Metal-Insulator-Metal Type Guided Mode Resonance Structure

Jung

Park

2016

Journal of the Optical Society of Korea

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The independent operation of a color filter for incident polarization is demonstrated using a guided-mode resonance (GMR) filter employing a metal-insulator-metal (MIM) waveguide. To achieve independent operation, a rectangular MIM grating is proposed as a wave-guide resonator. The design considerations are discussed and include how to determine the grating period and slit width. Power flow distribution is observed with slit width variation. Blue-green, green-red, and blue-red filters for corresponding x-and y-polarizations are demonstrated as application examples with numerical simulation with rectangle-shaped MIM grating. As a practical application, feasibility as a chromatic polarizer is discussed.

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“…Recent advances in integration of photovoltaic electricity into building facades, rooftops, solar windows89101112 and self-powered electronic devices1314 may offer a new direction for future photovoltaic energy utilization. Among them, visibly transparent organic solar cells (TOSCs) are extremely attractive because of their light weight, flexibility, cost-effective production and inherent semi-transparent properties15161718.…”

mentioning

confidence: 99%

Theoretical design of multi-colored semi-transparent organic solar cells with both efficient color filtering and light harvesting

Wen

Chen

Sun

et al. 2014

Sci Rep

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Solar cells incorporated with multi-coloring capability not only offer an aesthetic solution to bridge the gap between solar modules and building decorations but also open up the possibility for self-powered colorful display. In this paper, we proposed a multi-colored semi-transparent organic solar cells (TOSCs) design containing metallic nanostructures with the both high color purity and efficiency based on theoretical considerations. By employing guided mode resonance effect, the multi-colored TOSC behave like an efficient color filter that selectively transmits light with the desired wavelengths and generates electricity with light of other wavelengths. Broad range of coloring and luminosity adjusting for the transmission light can be achieved by simply tuning the period and the duty cycle of the metallic nanostructures. Furthermore, accompanying with the efficient color filtering characteristics, the optical absorption of TOSCs was improved due to the marked suppression of transmission loss at the off-resonance wavelengths and the increased light trapping in TOSCs. The mechanisms of the light guiding in photoactive layer and broadband backward scattering from the metallic nanostructures were identified to make an essential contribution to the improved light-harvesting. By enabling efficient color control and high efficiency simultaneously, this approach holds great promise for future versatile photovoltaic energy utilization.

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Nanoimprinted photonic crystal color filters for solar-powered reflective displays

Cited by 41 publications

References 9 publications

Highly reflective subtractive color filters capitalizing on a silicon metasurface integrated with nanostructured aluminum mirrors

Highly reflective subtractive color filters capitalizing on a silicon metasurface integrated with nanostructured aluminum mirrors

Independent Color Filtering of Differently Polarized Light Using Metal-Insulator-Metal Type Guided Mode Resonance Structure

Theoretical design of multi-colored semi-transparent organic solar cells with both efficient color filtering and light harvesting

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