Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 6, Issue 13, Pages 9950-9954Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am5029654
Keywords
inverse-opal; core-shell; nanochannels; membranes; separation
Funding
- NRF [2012S1A2A1A01031215]
- Global Frontier R&D Program on Center for Multiscale Energy System [2012M3A6A7055540]
- Basic Science Research Program - National Research Foundation under the Ministry of Science, ICT Future, Korea [2010-0027955]
- NSF [DMR-1055594]
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1055594] Funding Source: National Science Foundation
- National Research Foundation of Korea [2012S1A2A1A01031215] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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A novel multiscale porous architecture where an individual particle is nested inside a hollow chamber of inverse-opal (IO) frame is created using a large scale self-assembly of core shell structured colloidal particles and subsequent selective removal of the outer shells of the colloids. Since the nested particle is smaller than the size of individual IO chamber, the interconnected nanochannels are spontaneously formed within the structured frame. The size of internal nanochannels is readily tuned to have high permeability and size-selective separation capability, which is successfully tested for nanoparticle separation.
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