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Title: Regioselective atomic layer deposition in metal–organic frameworks directed by dispersion interactions

Journal Article · · Journal of the American Chemical Society
DOI:https://doi.org/10.1021/jacs.6b08711· OSTI ID:1339610

The application of atomic layer deposition (ALD) to metal–organic frameworks (MOFs) offers a promising new approach to synthesize designer functional materials with atomic precision. While ALD on flat substrates is well established, the complexity of the pore architecture and surface chemistry in MOFs present new challenges. Through in situ synchrotron X-ray powder diffraction, we visualize how the deposited atoms are localized and redistribute within the MOF during ALD. We demonstrate that the ALD is regioselective, with preferential deposition of oxy-Zn(II) species within the small pores of NU-1000. As a result, complementary density functional calculations indicate that this startling regioselectivity is driven by dispersion interactions associated with the preferential adsorption sites for the organometallic precursors prior to reaction.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1339610
Journal Information:
Journal of the American Chemical Society, Vol. 138, Issue 41; ISSN 0002-7863
Publisher:
American Chemical Society (ACS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 69 works
Citation information provided by
Web of Science

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Cited By (8)

Thermally induced migration of a polyoxometalate within a metal–organic framework and its catalytic effects journal January 2018
Stable Metal-Organic Frameworks: Design, Synthesis, and Applications journal February 2018
Assembly of dicobalt and cobalt–aluminum oxide clusters on metal–organic framework and nanocast silica supports journal January 2017
Metal–Organic Framework Hybrid Materials and Their Applications journal August 2018
Vapor-Phase Infiltration inside a Microporous Porphyrinic Metal–Organic Framework for Postsynthesis Modification journal July 2020
Addressing the characterisation challenge to understand catalysis in MOFs: the case of nanoscale Cu supported in NU-1000 journal January 2017
Grand Challenges and Future Opportunities for Metal–Organic Frameworks journal June 2017
Revisiting the structural homogeneity of NU-1000, a Zr-based metal–organic framework journal January 2018