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Sub-30 nm 2D Perovs...
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Park, YoujinYonsei Univ, South Korea
(författare)
Sub-30 nm 2D Perovskites Patterns via Block Copolymer Guided Self-Assembly for Color Conversion Optical Polarizer
- Artikel/kapitelEngelska2023
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2023
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WILEY-V C H VERLAG GMBH,2023
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LIBRIS-ID:oai:DiVA.org:liu-197501
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https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-197501URI
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https://doi.org/10.1002/smll.202300568DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:art swepub-publicationtype
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Funding Agencies|National Research Foundation (NRF) - Ministry of Science and ICT [2022R1F1A1076251]; National Research Foundation of Korea (NRF) - Ministry of Science and ICT [2018M3D1A1058536]; National Research Foundation of Korea (NRF) - Korean government (MEST) [2020R1A2B5B03002697]; National Research Foundation of Korea - Ministry of Science, ICT and Future Planning [2022M3C1A3081211]; Open Resource Research Program of the Korea Institute of Science and Technology [2E31551]; National Research Foundation of Korea [2022R1F1A1076251, 2022M3C1A3081211] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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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.
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Biuppslag (personer, institutioner, konferenser, titlar ...)
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Han, HyowonYonsei Univ, South Korea
(författare)
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Lee, HyeokjungYonsei Univ, South Korea
(författare)
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Kim, SoheeYonsei Univ, South Korea
(författare)
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Park, TaehyunLinköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten(Swepub:liu)taepa18
(författare)
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Jang, JihyeYonsei Univ, South Korea
(författare)
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Kim, GwanhoYonsei Univ, South Korea
(författare)
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Park, YeminKorea Adv Inst Sci & Technol KAIST, South Korea
(författare)
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Lee, JiyeonYonsei Int Campus, South Korea
(författare)
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Kim, DongjunYonsei Int Campus, South Korea
(författare)
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Kim, JiwonYonsei Int Campus, South Korea
(författare)
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Jung, Yeon SikKorea Adv Inst Sci & Technol KAIST, South Korea
(författare)
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Jeong, BeomjinPusan Natl Univ, South Korea
(författare)
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Park, CheolminYonsei Univ, South Korea; Korea Inst Sci & Technol KIST, South Korea
(författare)
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Yonsei Univ, South KoreaLaboratoriet för organisk elektronik
(creator_code:org_t)
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Ingår i:Small: WILEY-V C H VERLAG GMBH1613-68101613-6829
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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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visa fler...
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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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