Formation mechanism of incorporating metal nanoparticles Into highly stable Metal-Organic-Frameworks
Thesis advisor: Chia-Kuang Tsung === Incorporating shape and size controlled metal nanoparticles (NPs) into metal-organic-frameworks (MOFs) shows great potential in heterogeneous catalysis. The combination of ordered nanoporous structure of MOFs and the well-defined surfaces of metal NPs provides a...
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ndltd-BOSTON-oai-dlib.bc.edu-bc-ir_1012172019-05-10T07:38:55Z Formation mechanism of incorporating metal nanoparticles Into highly stable Metal-Organic-Frameworks Tang, Yang Thesis advisor: Chia-Kuang Tsung Text thesis 2012 Boston College English electronic application/pdf Incorporating shape and size controlled metal nanoparticles (NPs) into metal-organic-frameworks (MOFs) shows great potential in heterogeneous catalysis. The combination of ordered nanoporous structure of MOFs and the well-defined surfaces of metal NPs provides a new tool to modulate the catalysis on the metal surface. Due to the large pore size, framework flexibility and selective interaction with gas molecules, MOFs have been widely used for gas storage with high selectivity. Among which have been developed to date, Zeolitic Imidazolate Frameworks-8 (ZIF-8) and UiO-66 show advantageous properties. The solvent resistivity and high thermal stability makes them stand out to be good candidates as shell materials in core shell catalysts. In our work, we developed an efficient way to create a yolk-shell structure of Pd nanoparticles in ZIF-8 and, at the same time, a method to incorporate the shape/size controlled Pt nanoparticles into well-defined octahedral UiO-66 nanocrystals with the control of concentration and dispersion. The formation mechanisms of both yolk-shell and core-shell structures were also studied in the work. Metal nanoparticles Metal-organic-frameworks Copyright is held by the author, with all rights reserved, unless otherwise noted. Thesis (MS) — Boston College, 2012. Submitted to: Boston College. Graduate School of Arts and Sciences. Discipline: Chemistry. 383517 http://hdl.handle.net/2345/2898 |
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Metal nanoparticles Metal-organic-frameworks Tang, Yang Formation mechanism of incorporating metal nanoparticles Into highly stable Metal-Organic-Frameworks |
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Thesis advisor: Chia-Kuang Tsung === Incorporating shape and size controlled metal nanoparticles (NPs) into metal-organic-frameworks (MOFs) shows great potential in heterogeneous catalysis. The combination of ordered nanoporous structure of MOFs and the well-defined surfaces of metal NPs provides a new tool to modulate the catalysis on the metal surface. Due to the large pore size, framework flexibility and selective interaction with gas molecules, MOFs have been widely used for gas storage with high selectivity. Among which have been developed to date, Zeolitic Imidazolate Frameworks-8 (ZIF-8) and UiO-66 show advantageous properties. The solvent resistivity and high thermal stability makes them stand out to be good candidates as shell materials in core shell catalysts. In our work, we developed an efficient way to create a yolk-shell structure of Pd nanoparticles in ZIF-8 and, at the same time, a method to incorporate the shape/size controlled Pt nanoparticles into well-defined octahedral UiO-66 nanocrystals with the control of concentration and dispersion. The formation mechanisms of both yolk-shell and core-shell structures were also studied in the work. === Thesis (MS) — Boston College, 2012. === Submitted to: Boston College. Graduate School of Arts and Sciences. === Discipline: Chemistry. |
author |
Tang, Yang |
author_facet |
Tang, Yang |
author_sort |
Tang, Yang |
title |
Formation mechanism of incorporating metal nanoparticles Into highly stable Metal-Organic-Frameworks |
title_short |
Formation mechanism of incorporating metal nanoparticles Into highly stable Metal-Organic-Frameworks |
title_full |
Formation mechanism of incorporating metal nanoparticles Into highly stable Metal-Organic-Frameworks |
title_fullStr |
Formation mechanism of incorporating metal nanoparticles Into highly stable Metal-Organic-Frameworks |
title_full_unstemmed |
Formation mechanism of incorporating metal nanoparticles Into highly stable Metal-Organic-Frameworks |
title_sort |
formation mechanism of incorporating metal nanoparticles into highly stable metal-organic-frameworks |
publisher |
Boston College |
publishDate |
2012 |
url |
http://hdl.handle.net/2345/2898 |
work_keys_str_mv |
AT tangyang formationmechanismofincorporatingmetalnanoparticlesintohighlystablemetalorganicframeworks |
_version_ |
1719079611521826816 |