NDLI: Functionalization of silicon nanowire surfaces with metal-organic frameworks

Content Provider	Springer Nature Link
Author	Liu, Nian Yao, Yan Cha, Judy J. McDowell, Matthew T. Han, Yu Cui, Yi
Copyright Year	2011
Abstract	Metal-organic frameworks (MOFs) and silicon nanowires (SiNWs) have been extensively studied due to their unique properties; MOFs have high porosity and specific surface area with well-defined nanoporous structure, while SiNWs have valuable one-dimensional electronic properties. Integration of the two materials into one composite could synergistically combine the advantages of both materials and lead to new applications. We report the first example of a MOF synthesized on surface-modified SiNWs. The synthesis of polycrystalline MOF-199 (also known as HKUST-1) on SiNWs was performed at room temperature using a step-by-step (SBS) approach, and X-ray photoelectron spectroscopy, X-ray diffraction, scanning electron microscopy, transmission electron microscopy, and energy dispersive spectroscopy elemental mapping were used to characterize the material. Matching of the SiNW surface functional groups with the MOF organic linker coordinating groups was found to be critical for the growth. Additionally, the MOF morphology can by tuned by changing the soaking time, synthesis temperature and precursor solution concentration. This SiNW/MOF hybrid structure opens new avenues for rational design of materials with novel functionalities.
Starting Page	109
Ending Page	116
Page Count	8
File Format	PDF
ISSN	19980124
Journal	Nano Research
Volume Number	5
Issue Number	2
e-ISSN	19980000
Language	English
Publisher	Tsinghua Press
Publisher Date	2011-12-28
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Silicon nanowire metal-organic framework step-by-step surface modification nanocomposite Condensed Matter Physics Biotechnology Biomedicine general Atomic/Molecular Structure and Spectra Materials Science Nanotechnology
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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