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제124회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Synthesis of 2D Complex Nanoframes with dual rims

등록일
2019년 8월 30일 09시 46분 00초
접수번호
1920
발표코드
MAT.P-394 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
10월 17일 (목요일) 11:00~12:30
발표형식
포스터
발표분야
Material Chemistry
저자 및
공동저자
Sungjae Yoo, Sang Baek Jung, Eun Byeol Cho, Sungho Park*
Department of Chemistry, Sungkyunkwan University, Korea

The synthesis of highly complex two-dimensional (2D) metal nanoframes remains a great challenge. Synthetic strategies for preparing 2D metal nanostructure are few, and rational and systematic synthetic pathways to more complicated architectures have not yet been reported. Herein, we demonstrate a multi-stepwise synthetic strategy for complex 2D metal nanoframes with a high degree of intricacy; the strategy leads to a variety of shapes, including rings, triangles, hexagons, and tripods with tailorable single or double frames in a single entity. These nanoframes of high homogeneity could be obtained through multiple steps of selective etching and deposition on certain facets and concentric and/or eccentric regrowth by controlling the mismatches of lattice constants of metals. The resulting nanoframes were highly homogeneous in size and shape and had van der Waals interactions that maximized rim-to-rim contact, allowing them to uniquely self-assemble into large-area superstructures.


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