PdHx entrapped in covalent triazine framework modulates selectivity in glycerol oxidation [Modulation of palladium activity and stability by a covalent triazine framework]
Abstract
The confinement of a Pd nanoparticle within a nitrogen-containing covalent triazine framework (CTF) material was investigated to understand if the highly tunable CTF chemistry mediates the Pd catalytic properties through an ensemble effect with the CTF nitrogen atoms or a confinement effect within the CTF pores. The results surprisingly demonstrate that the CTF stabilizes the formation of 2.6 nm PdHx particles within the pores. These PdHx particles are very active for the liquid phase oxidation of glycerol due to the in situ formation of H2O2 which catalytically promotes the initial C-C cleavage. In addition the confined particles are stable over many catalytic cycles whereas nanoparticles trapped outside of the pores loose activity rapidly. These results indicate that there is the potential to tune the CTF chemistry to significantly modify the chemistry of the catalytic metals.
- Authors:
-
- Universita di Milano (Italy)
- Fritz Haber Institute of the Max Planck Society, Berlin (Germany)
- Istituto di Scienze e Tecnologie Molecolari del CNR, Milano (Italy)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Technische Univ. Berlin (Germany). Berlin Institute of Technology
- Publication Date:
- Research Org.:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1207042
- Grant/Contract Number:
- AC05-00OR22725
- Resource Type:
- Accepted Manuscript
- Journal Name:
- ChemCatChem
- Additional Journal Information:
- Journal Volume: 7; Journal Issue: 14; Journal ID: ISSN 1867-3880
- Publisher:
- ChemPubSoc Europe
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
Citation Formats
Chan-Thaw, Carine E., Villa, Alberto, Wang, Di, Biroli, Alessio, Veith, Gabriel M, Thomas, Arne, and Prati, Laura. PdHx entrapped in covalent triazine framework modulates selectivity in glycerol oxidation [Modulation of palladium activity and stability by a covalent triazine framework]. United States: N. p., 2015.
Web. doi:10.1002/cctc.201500055.
Chan-Thaw, Carine E., Villa, Alberto, Wang, Di, Biroli, Alessio, Veith, Gabriel M, Thomas, Arne, & Prati, Laura. PdHx entrapped in covalent triazine framework modulates selectivity in glycerol oxidation [Modulation of palladium activity and stability by a covalent triazine framework]. United States. https://doi.org/10.1002/cctc.201500055
Chan-Thaw, Carine E., Villa, Alberto, Wang, Di, Biroli, Alessio, Veith, Gabriel M, Thomas, Arne, and Prati, Laura. Thu .
"PdHx entrapped in covalent triazine framework modulates selectivity in glycerol oxidation [Modulation of palladium activity and stability by a covalent triazine framework]". United States. https://doi.org/10.1002/cctc.201500055. https://www.osti.gov/servlets/purl/1207042.
@article{osti_1207042,
title = {PdHx entrapped in covalent triazine framework modulates selectivity in glycerol oxidation [Modulation of palladium activity and stability by a covalent triazine framework]},
author = {Chan-Thaw, Carine E. and Villa, Alberto and Wang, Di and Biroli, Alessio and Veith, Gabriel M and Thomas, Arne and Prati, Laura},
abstractNote = {The confinement of a Pd nanoparticle within a nitrogen-containing covalent triazine framework (CTF) material was investigated to understand if the highly tunable CTF chemistry mediates the Pd catalytic properties through an ensemble effect with the CTF nitrogen atoms or a confinement effect within the CTF pores. The results surprisingly demonstrate that the CTF stabilizes the formation of 2.6 nm PdHx particles within the pores. These PdHx particles are very active for the liquid phase oxidation of glycerol due to the in situ formation of H2O2 which catalytically promotes the initial C-C cleavage. In addition the confined particles are stable over many catalytic cycles whereas nanoparticles trapped outside of the pores loose activity rapidly. These results indicate that there is the potential to tune the CTF chemistry to significantly modify the chemistry of the catalytic metals.},
doi = {10.1002/cctc.201500055},
journal = {ChemCatChem},
number = 14,
volume = 7,
place = {United States},
year = {Thu Jun 25 00:00:00 EDT 2015},
month = {Thu Jun 25 00:00:00 EDT 2015}
}
Web of Science
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