Bifunctional porphyrin-based nano-metal-organic frameworks

Catalytic and chemosensing studies

Carla F. Pereira, Flávio Figueira, Ricardo F. Mendes, Joaão Rocha, Joseph T Hupp, Omar K. Farha, Mário M.Q. Simoães, Joaão P.C. Tomé, Filipe A.Almeida Paz

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The use of 5,10,15,20-tetrakis(p-phenylphosphonic acid)porphyrin (H10TPPA) as a linker in the preparation of porphyrin-based metal-organic frameworks (Por-MOFs) through coordination to lanthanides cations is reported. The resulting unprecedented materials, formulated as [M(H9TPPA)(H2O)x]Cl2·yH2O [x + y = 7; M3+ = La3+ (1), Yb3+ (2), and Y3+ (3)], prepared using hydrothermal synthesis, were extensively characterized in the solid-state, for both their structure and thermal robustness, using a myriad of solid-state advanced techniques. Materials were evaluated as heterogeneous catalysts in the oxidation of thioanisole by H2O2 and as chemosensors for detection of nitroaromatic compounds (NACs). Nano-Por-MOFs 1-3 proved to be effective as heterogeneous catalysts in the sulfoxidation of thioanisole, with Por-MOF 1 exhibiting the best catalytic performance with a conversion of thioanisole of 89% in the first cycle and with a high selectivity for the sulfoxide derivative (90%). The catalyst maintained its activity roughly constant in three consecutive runs. Por-MOFs 1-3 can be employed as chemosensors because of a measured fluorescence quenching up to 70% for nitrobenzene, 1,4-dinitrobenzene, 4-nitrophenol, and phenol, with 2,4,6-trinitrophenol exhibiting a peculiar fluorescence profile.

Original languageEnglish
Pages (from-to)3855-3864
Number of pages10
JournalInorganic Chemistry
Volume57
Issue number7
DOIs
Publication statusPublished - Apr 2 2018

Fingerprint

Porphyrins
porphyrins
Metals
sulfoxide
catalysts
metals
Catalysts
Fluorescence
solid state
Lanthanoid Series Elements
fluorescence
nitrobenzenes
Hydrothermal synthesis
Phenol
phenols
Cations
Quenching
selectivity
quenching
Derivatives

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry

Cite this

Pereira, C. F., Figueira, F., Mendes, R. F., Rocha, J., Hupp, J. T., Farha, O. K., ... Paz, F. A. A. (2018). Bifunctional porphyrin-based nano-metal-organic frameworks: Catalytic and chemosensing studies. Inorganic Chemistry, 57(7), 3855-3864. https://doi.org/10.1021/acs.inorgchem.7b03214

Bifunctional porphyrin-based nano-metal-organic frameworks : Catalytic and chemosensing studies. / Pereira, Carla F.; Figueira, Flávio; Mendes, Ricardo F.; Rocha, Joaão; Hupp, Joseph T; Farha, Omar K.; Simoães, Mário M.Q.; Tomé, Joaão P.C.; Paz, Filipe A.Almeida.

In: Inorganic Chemistry, Vol. 57, No. 7, 02.04.2018, p. 3855-3864.

Research output: Contribution to journalArticle

Pereira, CF, Figueira, F, Mendes, RF, Rocha, J, Hupp, JT, Farha, OK, Simoães, MMQ, Tomé, JPC & Paz, FAA 2018, 'Bifunctional porphyrin-based nano-metal-organic frameworks: Catalytic and chemosensing studies', Inorganic Chemistry, vol. 57, no. 7, pp. 3855-3864. https://doi.org/10.1021/acs.inorgchem.7b03214
Pereira, Carla F. ; Figueira, Flávio ; Mendes, Ricardo F. ; Rocha, Joaão ; Hupp, Joseph T ; Farha, Omar K. ; Simoães, Mário M.Q. ; Tomé, Joaão P.C. ; Paz, Filipe A.Almeida. / Bifunctional porphyrin-based nano-metal-organic frameworks : Catalytic and chemosensing studies. In: Inorganic Chemistry. 2018 ; Vol. 57, No. 7. pp. 3855-3864.
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