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Metal organic frameworks encapsulated in photocleavable capsules for UV-light triggered catalysis

Willem PR Deleu, Guadalupe Rivero, Roberto Teixeira, Filip Du Prez UGent and Dirk E De Vos (2015) CHEMISTRY OF MATERIALS. 27(16). p.5495-5502
abstract
A smart catalyst that can be activated by UV-light was prepared by encapsulating metal organic framework (MOF) particles in microcapsules with a photocleavable polyurea shell. Addition of palmitic acid as a modulator during the synthesis of the Fe-terephthalate MOF MIL-88B(Fe) yields MOP particles with a hydrophobic surface. These particles can be successfully encapsulated via interfacial polymerization, as proven by a combination of powder X-ray diffraction (PXRD), scanning electron microscopy (SEM), and energy dispersive Xray (EDX) techniques. By the incorporation of photolabile groups in the polymer shell, UV light can be employed to trigger degradation of the capsules, releasing the catalytic load. Catalyst activation triggered by UV light was monitored by recording the rates for catalytic tetramethylbenzidine (TMB) oxidation with H2O2. The reactivity could be controlled by tuning irradiation time, UV intensity, or MOP loading. The activity of the capsules was up to 90 times higher after irradiation.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
DELIVERY, MODULATION, BEHAVIOR, ROUTE, DRUG, FUNCTIONALIZATION, MICROENCAPSULATION, MICROCAPSULES
journal title
CHEMISTRY OF MATERIALS
Chem. Mat.
volume
27
issue
16
pages
5495 - 5502
Web of Science type
Article
Web of Science id
000360323700008
JCR category
MATERIALS SCIENCE, MULTIDISCIPLINARY
JCR impact factor
9.407 (2015)
JCR rank
15/271 (2015)
JCR quartile
1 (2015)
ISSN
0897-4756
DOI
10.1021/acs.chemmater.5601140
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
6999330
handle
http://hdl.handle.net/1854/LU-6999330
date created
2015-12-02 10:38:15
date last changed
2017-05-08 07:14:19
@article{6999330,
  abstract     = {A smart catalyst that can be activated by UV-light was prepared by encapsulating metal organic framework (MOF) particles in microcapsules with a photocleavable polyurea shell. Addition of palmitic acid as a modulator during the synthesis of the Fe-terephthalate MOF MIL-88B(Fe) yields MOP particles with a hydrophobic surface. These particles can be successfully encapsulated via interfacial polymerization, as proven by a combination of powder X-ray diffraction (PXRD), scanning electron microscopy (SEM), and energy dispersive Xray (EDX) techniques. By the incorporation of photolabile groups in the polymer shell, UV light can be employed to trigger degradation of the capsules, releasing the catalytic load. Catalyst activation triggered by UV light was monitored by recording the rates for catalytic tetramethylbenzidine (TMB) oxidation with H2O2. The reactivity could be controlled by tuning irradiation time, UV intensity, or MOP loading. The activity of the capsules was up to 90 times higher after irradiation.},
  author       = {Deleu, Willem PR and Rivero, Guadalupe and Teixeira, Roberto and Du Prez, Filip and De Vos, Dirk E},
  issn         = {0897-4756},
  journal      = {CHEMISTRY OF MATERIALS},
  keyword      = {DELIVERY,MODULATION,BEHAVIOR,ROUTE,DRUG,FUNCTIONALIZATION,MICROENCAPSULATION,MICROCAPSULES},
  language     = {eng},
  number       = {16},
  pages        = {5495--5502},
  title        = {Metal organic frameworks encapsulated in photocleavable capsules for UV-light triggered catalysis},
  url          = {http://dx.doi.org/10.1021/acs.chemmater.5601140},
  volume       = {27},
  year         = {2015},
}

Chicago
Deleu, Willem PR, Guadalupe Rivero, Roberto Teixeira, Filip Du Prez, and Dirk E De Vos. 2015. “Metal Organic Frameworks Encapsulated in Photocleavable Capsules for UV-light Triggered Catalysis.” Chemistry of Materials 27 (16): 5495–5502.
APA
Deleu, W. P., Rivero, G., Teixeira, R., Du Prez, F., & De Vos, D. E. (2015). Metal organic frameworks encapsulated in photocleavable capsules for UV-light triggered catalysis. CHEMISTRY OF MATERIALS, 27(16), 5495–5502.
Vancouver
1.
Deleu WP, Rivero G, Teixeira R, Du Prez F, De Vos DE. Metal organic frameworks encapsulated in photocleavable capsules for UV-light triggered catalysis. CHEMISTRY OF MATERIALS. 2015;27(16):5495–502.
MLA
Deleu, Willem PR, Guadalupe Rivero, Roberto Teixeira, et al. “Metal Organic Frameworks Encapsulated in Photocleavable Capsules for UV-light Triggered Catalysis.” CHEMISTRY OF MATERIALS 27.16 (2015): 5495–5502. Print.