Journal
TALANTA
Volume 129, Issue -, Pages 55-62Publisher
ELSEVIER
DOI: 10.1016/j.talanta.2014.05.007
Keywords
Thermal; Water and electrochemical stability; Metal organic frameworks; Macroporous carbon; Electrochemical sensors
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Funding
- National Natural Science Foundation of China [21075014]
- Fundamental Research Funds for the Central Universities [12SSXT145]
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The thermal, water and electrochemical stability of Cu-based metal organic frameworks (Cu-MOFs) confined in macroporous carbon (MPC) hybrids has been investigated. Thermogravimetric analyses, X-Ray diffraction, scanning electron microscopy, and cyclic voltammetry were employed to confirm the stability of pure Cu-MOFs, MPC, and Cu-MOFs-MPC. As compared to pure Cu-MOFs, the porous composite materials of MPC and Cu-MOFs interact and seem to form new materials having homogenous structure and chemistry, which show structural stability in aqueous media and electrochemical stability in phosphate buffer solution (PBS pH 7.4). The detection of ascorbic acid and hemoglobin is performed as an electrochemical probe, indicating Cu-MOFs-MPC holds great promise for the design of electrochemical sensors. (C) 2014 Elsevier B.V. All rights reserved.
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