Journal
CHEMISTRYSELECT
Volume 4, Issue 27, Pages 8142-8149Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/slct.201901652
Keywords
Co3O4; Nanoparticles; Energy Storage; Metal-Organic Framework; Specific Capacitance; ZIF-67
Categories
Funding
- SERB-DST [EMR/2016/001113]
- CSIR, New Delhi [01(2935)/18/EMR-II]
- IIT Indore
- MHRD
- DST, New Delhi, India
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In this work, solvothermally grown ZIF-67 MOF crystals were utilized as single source molecular precursor, which were transformed into porous Co3O4 nanoparticles through a simple calcination treatment. The crystal structure of ZIF-67 was also authenticated by single crystal x-ray analysis. Further, Co3O4 nanoparticles were incorporated as supercapacitor electrode. The results show that ZIF-67 derived Co3O4 nanoparticles deliver an appreciable specific capacitance (190 F g(-1) at 5 A g(-1)) with high capacitance retention (71.42% after 5000 cycles). The comparison with previous state-of-the-arts highlights the importance of MOF derived nanomaterials for achieving superior electrochemical performance.
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