Selective growth of metal organic framework materials on the surface of compartmentalized polymer microparticles is achieved by electro-hydrodynamic co-jetting, selective surface modification, and anisotropic crystal growth.
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http://dx.doi.org/10.1002/adma.201305461 | DOI Listing |
Angew Chem Int Ed Engl
October 2024
College of Chemistry and Materials Science Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications, Jinan University, Guangzhou, 510632, China.
Efficient occlusion of particulate additives into a single crystal has garnered an ever-increasing attention in materials science because it offers a counter-intuitive yet powerful platform to make crystalline nanocomposite materials with emerging properties. However, precisely controlling the spatial distribution of the guest additives within a host crystal remains highly challenging. We herein demonstrate a unique, straightforward method to engineer the spatial distribution of copolymer nanoparticles within calcite (CaCO) single crystals by judiciously adjusting initial [Ca] concentration used for the calcite precipitation.
View Article and Find Full Text PDFNano Lett
July 2021
Key Laboratory of Semiconductor Materials Science, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China.
Nanofabrication schemes usually suffer challenges in direct growth on complex nanostructured substrates. We provide a new technology that allows for the convenient, selective growth of complex nanostructures directly on three-dimensional (3D) homogeneous semiconductor substrates. The nature of the selectivity is derived from surface states modulated electrochemical deposition.
View Article and Find Full Text PDFACS Appl Mater Interfaces
November 2020
Department of Chemistry and Physics of Materials, University of Salzburg, Jakob-Haringer Strasse 2A, Salzburg A-5020, Austria.
Metal-silicon nanowire array photoelectrodes provide a promising architecture for water-splitting because they can afford high catalyst loading and decouple charge separation from the light absorption process. To further improve and understand these hybrid nanowire photoelectrodes, control of the catalyst amount and location within the wire array is required. Such a level of control is currently synthetically challenging to achieve.
View Article and Find Full Text PDFMacromol Biosci
March 2014
Molecular-Level Interface Research Center, Department of Chemistry, KAIST, Daejeon, 305-701, Korea.
Micropatterns of fibroblast and hippocampal neurons are generated on a single-layered graphene substrate. A large-area (1 cm × 1 cm) graphene film on Si/SiO2 is functionalized by surface-initiated ATRP of non-biofouling oligo(ethylene glycol) methacrylate, after grafting of the polymerization initiator bearing α-bromoisobutylate via photoreaction of the perfluorophenyl azide group. The microcontact printing-assisted spatio-selective reaction, after chemical activation of the terminal hydroxyl group of oligo(ethylene glycol) in the polymeric film, is utilized to generate the patterns of fibroblast and hippocampal neurons.
View Article and Find Full Text PDFAdv Mater
May 2014
Department of Chemical Engineering, University of Michigan, Ann Arbor, MI, 48109, USA.
Selective growth of metal organic framework materials on the surface of compartmentalized polymer microparticles is achieved by electro-hydrodynamic co-jetting, selective surface modification, and anisotropic crystal growth.
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