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Ambient printing of native oxides for ultrathin transparent flexible circuit boards.
Kong, Minsik; Vong, Man Hou; Kwak, Mingyu; Lim, Ighyun; Lee, Younghyun; Lee, Seong-Hun; You, Insang; Awartani, Omar; Kwon, Jimin; Shin, Tae Joo; Jeong, Unyong; Dickey, Michael D.
Afiliación
  • Kong M; Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea.
  • Vong MH; Department of Chemical and Biomolecular Engineering, North Carolina State University (NCSU), Raleigh, NC 27606, USA.
  • Kwak M; Department of Chemical and Biomolecular Engineering, North Carolina State University (NCSU), Raleigh, NC 27606, USA.
  • Lim I; Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea.
  • Lee Y; Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea.
  • Lee SH; Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea.
  • You I; Graduate School of Semiconductor Materials and Devices Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea.
  • Awartani O; Department of Chemistry, University of Waterloo, Waterloo, Ontario N2l 3G1, Canada.
  • Kwon J; Department of Chemical and Biomolecular Engineering, North Carolina State University (NCSU), Raleigh, NC 27606, USA.
  • Shin TJ; Department of Electrical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea.
  • Jeong U; Graduate School of Semiconductor Materials and Devices Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea.
  • Dickey MD; Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea.
Science ; 385(6710): 731-737, 2024 Aug 16.
Article en En | MEDLINE | ID: mdl-39146401
ABSTRACT
Metal oxide films are essential in most electronic devices, yet they are typically deposited at elevated temperatures by using slow, vacuum-based processes. We printed native oxide films over large areas at ambient conditions by moving a molten metal meniscus across a target substrate. The oxide gently separates from the metal through fluid instabilities that occur in the meniscus, leading to uniform films free of liquid residue. The printed oxide has a metallic interlayer that renders the films highly conductive. The metallic character of the printed films promotes wetting of trace amounts of evaporated gold that would otherwise form disconnected islands on conventional oxide surfaces. The resulting ultrathin (<10 nanometers) conductors can be patterned into flexible circuits that are transparent, mechanically robust, and electrically stable, even at elevated temperatures.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Science Año: 2024 Tipo del documento: Article Pais de publicación: Estados Unidos
Texto completo
Añadir a Mi BVS
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Science Año: 2024 Tipo del documento: Article Pais de publicación: Estados Unidos