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Large-Scale Soft Colloidal Template Synthesis of 1.4 nm Thick CdSe Nanosheets

Authors

  • Jae Sung Son,

    1. National Creative Research Initiative Center for Oxide Nanocrystalline Materials and School of Chemical and Biological Engineering, Seoul National University, Seoul 151-744 (Korea), Fax: (+82) 2-886-8457
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  • Xiao-Dong Wen Dr.,

    1. Depart of Chemistry and Chemical Biology, Cornell University, Ithaca, NY 14853-1301 (USA)
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  • Jin Joo Dr.,

    1. National Creative Research Initiative Center for Oxide Nanocrystalline Materials and School of Chemical and Biological Engineering, Seoul National University, Seoul 151-744 (Korea), Fax: (+82) 2-886-8457
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  • Jungseok Chae,

    1. Department of Physics and Astronomy, Seoul National University, Seoul 151-744 (Korea)
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  • Sung-il Baek,

    1. Interface Control Laboratory and School of Materials Science & Engineering, Seoul National University, Seoul 151-744 (Korea)
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  • Kunsu Park,

    1. National Creative Research Initiative Center for Oxide Nanocrystalline Materials and School of Chemical and Biological Engineering, Seoul National University, Seoul 151-744 (Korea), Fax: (+82) 2-886-8457
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  • Jeong Hyun Kim Dr.,

    1. National Creative Research Initiative Center for Oxide Nanocrystalline Materials and School of Chemical and Biological Engineering, Seoul National University, Seoul 151-744 (Korea), Fax: (+82) 2-886-8457
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  • Kwangjin An Dr.,

    1. National Creative Research Initiative Center for Oxide Nanocrystalline Materials and School of Chemical and Biological Engineering, Seoul National University, Seoul 151-744 (Korea), Fax: (+82) 2-886-8457
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  • Jung Ho Yu,

    1. National Creative Research Initiative Center for Oxide Nanocrystalline Materials and School of Chemical and Biological Engineering, Seoul National University, Seoul 151-744 (Korea), Fax: (+82) 2-886-8457
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  • Soon Gu Kwon,

    1. National Creative Research Initiative Center for Oxide Nanocrystalline Materials and School of Chemical and Biological Engineering, Seoul National University, Seoul 151-744 (Korea), Fax: (+82) 2-886-8457
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  • Sang-Hyun Choi Dr.,

    1. National Creative Research Initiative Center for Oxide Nanocrystalline Materials and School of Chemical and Biological Engineering, Seoul National University, Seoul 151-744 (Korea), Fax: (+82) 2-886-8457
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  • Zhongwu Wang Dr.,

    1. Cornell High Energy Synchrotron Source (CHESS) and Wilson Laboratory, Cornell University, Ithaca, New York 14853 (USA)
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  • Young-Woon Kim Prof.,

    1. Interface Control Laboratory and School of Materials Science & Engineering, Seoul National University, Seoul 151-744 (Korea)
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  • Young Kuk Prof.,

    1. Department of Physics and Astronomy, Seoul National University, Seoul 151-744 (Korea)
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  • Roald Hoffmann Prof.,

    1. Depart of Chemistry and Chemical Biology, Cornell University, Ithaca, NY 14853-1301 (USA)
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  • Taeghwan Hyeon Prof.

    1. National Creative Research Initiative Center for Oxide Nanocrystalline Materials and School of Chemical and Biological Engineering, Seoul National University, Seoul 151-744 (Korea), Fax: (+82) 2-886-8457
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  • This work was supported by the National Research Foundation of Korea (NRF) through the National Creative Research Initiative Program and by NSF Research Grant CHE-0613306 (R.H.).

Abstract

original image

Soft as silk: Single-layered (right) and lamellar-structured two-dimensional (2D) CdSe nanocrystals (left) as thin as 1.4 nm can be prepared by a soft colloidal template method. Assembly of the 2D nanocrystals can be controlled by variation of the interaction between organic layers in soft templates. The current synthetic process is relatively easy to scale up, and multigram quantities can be obtained in a single batch.

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