Binary nanocrystal superlattice membranes self-assembled at the liquid-air interface.

Nature
Angang DongChristopher B Murray

Abstract

The spontaneous organization of multicomponent micrometre-sized colloids or nanocrystals into superlattices is of scientific importance for understanding the assembly process on the nanometre scale and is of great interest for bottom-up fabrication of functional devices. In particular, co-assembly of two types of nanocrystal into binary nanocrystal superlattices (BNSLs) has recently attracted significant attention, as this provides a low-cost, programmable way to design metamaterials with precisely controlled properties that arise from the organization and interactions of the constituent nanocrystal components. Although challenging, the ability to grow and manipulate large-scale BNSLs is critical for extensive exploration of this new class of material. Here we report a general method of growing centimetre-scale, uniform membranes of BNSLs that can readily be transferred to arbitrary substrates. Our method is based on the liquid-air interfacial assembly of multicomponent nanocrystals and circumvents the limitations associated with the current assembly strategies, allowing integration of BNSLs on any substrate for the fabrication of nanocrystal-based devices. We demonstrate the construction of magnetoresistive devices by incorpor...Continue Reading

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Citations

Feb 27, 2013·ACS Applied Materials & Interfaces·Lingxing ZengMingdeng Wei
Feb 2, 2013·Accounts of Chemical Research·Hongbo LiLiberato Manna
Dec 24, 2010·Journal of the American Chemical Society·Angang DongChristopher B Murray
Mar 31, 2011·Journal of the American Chemical Society·Peng LiYadong Li
Aug 2, 2011·Journal of the American Chemical Society·Angang DongChristopher B Murray
Oct 20, 2011·Journal of the American Chemical Society·Maryna I BodnarchukDmitri V Talapin
Feb 15, 2012·Journal of the American Chemical Society·Nicolas GoubetMarie-Paule Pileni
Jul 24, 2012·Journal of the American Chemical Society·Christine L HeineckeChristopher J Ackerson
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Oct 5, 2012·Journal of the American Chemical Society·Chenguang LuIrving P Herman
Dec 12, 2012·Journal of the American Chemical Society·Yijin KangChristopher B Murray
Jan 9, 2013·Journal of the American Chemical Society·Yijin KangChristopher B Murray
Apr 16, 2013·Journal of the American Chemical Society·Tie WangY Charles Cao
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Dec 6, 2012·ACS Nano·Yijin KangChristopher B Murray
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Mar 9, 2011·Chemical Communications : Chem Comm·Ce YangYanglong Hou
Dec 15, 2010·Proceedings of the National Academy of Sciences of the United States of America·Xingchen YeChristopher B Murray

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