Three-Dimensional Nanocrystal Superlattices Grown in Nanoliter Microfluidic Plugs
Abstract
We studied the self-assembly of inorganic nanocrystals (NCs) confined inside nanoliter droplets (plugs) into long-range ordered superlattices. We showed that a capillary microfluidic platform can be used for the optimization of growth conditions for NC superlattices and can provide insights into the kinetics of the NC assembly process. The utility of our approach was demonstrated by growing large (up to 200 μm) three-dimensional (3D) superlattices of various NCs, including Au, PbS, CdSe, and CoFe(2)O(4). We also showed that it is possible to grow 3D binary nanoparticle superlattices in the microfluidic plugs.
Additional Information
Copyright © 2011 American Chemical Society. Published In Issue: June 15, 2011. Article ASAP: May 17, 2011. Just Accepted Manuscript: April 21, 2011. Received: February 05, 2011. We thank M. V. Kovalenko and S. Rupich for stimulating discussions and samples of CdSe and PbS NCs. This work was partially supported by the Office of Naval Research under Award N00014-10-1-0190. The collaborative work used the Chicago MRSEC Microfluidic Facility and was supported in part by the Chicago MRSEC funded by the NSF under Award DMR-0213745. D.V.T. thanks the David and Lucile Packard Foundation. R.F.I. and D.V.T. also acknowledge support from the Camille Dreyfus Teacher-Scholar Program. Supporting Information Additional experimental details, SEM and optical images, and a video clip (AVI). This material is available free of charge via the Internet at http://pubs.acs.org.Attached Files
Supplemental Material - Ismagilov_JACS_2011_3D_Nanocrystals_LL_AF_SN_v133_8956-8960_SI.pdf
Supplemental Material - ja201129n_si_002.avi
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Additional details
- Eprint ID
- 40777
- Resolver ID
- CaltechAUTHORS:20130821-160716001
- Office of Naval Research (ONR)
- N00014-10-1-0190
- NSF
- DMR-0213745
- David and Lucile Packard Foundation
- Henry and Camille Dreyfus Foundation
- Created
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2013-08-23Created from EPrint's datestamp field
- Updated
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2021-11-10Created from EPrint's last_modified field