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Sub-30 nm 2D Perovs...
Sub-30 nm 2D Perovskites Patterns via Block Copolymer Guided Self-Assembly for Color Conversion Optical Polarizer
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- Park, Youjin (författare)
- Yonsei Univ, South Korea
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- Han, Hyowon (författare)
- Yonsei Univ, South Korea
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- Lee, Hyeokjung (författare)
- Yonsei Univ, South Korea
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- Kim, Sohee (författare)
- Yonsei Univ, South Korea
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- Park, Taehyun (författare)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Jang, Jihye (författare)
- Yonsei Univ, South Korea
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- Kim, Gwanho (författare)
- Yonsei Univ, South Korea
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- Park, Yemin (författare)
- Korea Adv Inst Sci & Technol KAIST, South Korea
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- Lee, Jiyeon (författare)
- Yonsei Int Campus, South Korea
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- Kim, Dongjun (författare)
- Yonsei Int Campus, South Korea
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- Kim, Jiwon (författare)
- Yonsei Int Campus, South Korea
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- Jung, Yeon Sik (författare)
- Korea Adv Inst Sci & Technol KAIST, South Korea
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- Jeong, Beomjin (författare)
- Pusan Natl Univ, South Korea
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- Park, Cheolmin (författare)
- Yonsei Univ, South Korea; Korea Inst Sci & Technol KIST, South Korea
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(creator_code:org_t)
- 2023
- 2023
- Engelska.
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Ingår i: Small. - : WILEY-V C H VERLAG GMBH. - 1613-6810 .- 1613-6829.
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Despite the remarkable advances made in the development of 2D perovskites suitable for various high-performance devices, the development of sub-30 nm nanopatterns of 2D perovskites with anisotropic photoelectronic properties remains challenging. Herein, a simple but robust route for fabricating sub-30 nm 1D nanopatterns of 2D perovskites over a large area is presented. This method is based on nanoimprinting a thin precursor film of a 2D perovskite with a topographically pre-patterned hard poly(dimethylsiloxane) mold replicated from a block copolymer nanopattern consisting of guided self-assembled monolayered in-plane cylinders. 1D nanopatterns of various 2D perovskites (A & PRIME;(2)MA(n)(-1)Pb(n)X(3)(n)(+1),A & PRIME; = BA, PEA, X = Br, I) are developed; their enhanced photoluminescence (PL) quantum yields are approximately four times greater than those of the corresponding control flat films. Anisotropic photocurrent is observed because 2D perovskite nanocrystals are embedded in a topological 1D nanopattern. Furthermore, this 1D metal-coated nanopattern of a 2D perovskite is employed as a color conversion optical polarizer, in which polarized PL is developed. This is due to its capability of polarization of an incident light arising from the sub-30 nm line pattern, as well as the PL of the confined 2D perovskite nanocrystals in the pattern.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Nyckelord
- anisotropic photodetection; block copolymer guided self-assembly; nanoimprinting; photoluminescent optical polarizers; sub-30 nm nanopattern of 2D perovskites
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Park, Youjin
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Han, Hyowon
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Lee, Hyeokjung
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Kim, Sohee
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Park, Taehyun
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Jang, Jihye
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Kim, Gwanho
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Park, Yemin
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Lee, Jiyeon
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Kim, Dongjun
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Kim, Jiwon
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Jung, Yeon Sik
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Jeong, Beomjin
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Park, Cheolmin
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