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MOF-Templated Synthesis of Porous Co3O4Concave Nanocubes with High Specific Surface Area and Their Gas Sensing Properties
Abstract
Porous metal oxides nanomaterials with controlled morphology have received great attention because of their promising applications in catalysis, energy storage and conversion, gas sensing, etc. In this paper, porous Co3O4 concave nanocubes with extremely high specific surface area (120.9 m(2)·g(-1)) were synthesized simply by calcining Co-based metal-organic framework (Co-MOF, ZIF-67) templates at the optimized temperature (300 °C), and the formation mechanism of such highly porous structures as well as the influence of the calcination temperature are well explained by taking into account thermal behavior and intrinsic structural features of the Co-MOF precursors. The gas-sensing properties of the as-synthesized porous Co3O4 concave nanocubes were systematically tested towards volatile organic compounds including ethanol, acetone, toluene, and benzene. Experimental results reveal that the porous Co3O4 concave nanocubes present the highest sensitivity to ethanol with fast response/recovery time (< 10 s) and a low detection limit (at least 10 ppm). Such outstanding gas sensing performance of the porous Co3O4 concave nanocubes benefits from their high porosity, large specific surface area, and remarkable capabilities of surface-adsorbed oxygen.
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Citations
Cited by
Yao, M., Tang, W., Wang, G., Nath, B., & Xu, G. (2016) · Advanced Materials · doi:10.1002/adma.201506457 · Cited by 641
Liu, J.-Q., Luo, Z.-D., Pan, Y., Kumar Singh, A., Trivedi, M., & Kumar, A. (2020) · Coordination Chemistry Reviews · doi:10.1016/j.ccr.2019.213145 · Cited by 508
Wang, Y., Lü, Y., Zhan, W., Xie, Z., Kuang, Q., & Zheng, L. (2015) · Journal of Materials Chemistry A · doi:10.1039/c5ta01108f · Cited by 465
Self-citationFunctional gas sensing nanomaterials: A panoramic view
Malik, R., Tomer, V. K., Mishra, Y. K., & Lin, L. (2020) · Applied Physics Reviews · doi:10.1063/1.5123479 · Cited by 410
Recent Advances in Emerging 2D Material‐Based Gas Sensors: Potential in Disease Diagnosis
Zhang, L., Khan, K., Zou, J., Zhang, H., & Li, Y. (2019) · Advanced Materials Interfaces · doi:10.1002/admi.201901329 · Cited by 281
Metadata
- Authors
- Lü, Y., Zhan, W., He, Y., Wang, Y., Kong, X., Kuang, Q., Xie, Z., & Zheng, L.
- Venue
- ACS Applied Materials & Interfaces
- Publisher
- American Chemical Society (ACS)
- Published
- 2014-03-07
- Volume
- 6
- Issue
- 6
- Pages
- 4186-4195
- ISSN
- 1944-8244 (ISSN-L)
- 1944-8252
- OpenAlex
- W2313143982
- Cited by
- 813
- References
- 0
- FWCI
- 34.14
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: MOF-Templated Synthesis of Porous Co3O4Concave Nanocubes with High Specific Surface Area and Their Gas Sensing Properties. https://app.cochat.ai/papers/10.1021/am405858v
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- Lü, Y., Zhan, W., He, Y., Wang, Y., Kong, X., Kuang, Q., Xie, Z., & Zheng, L. (2014). MOF-Templated Synthesis of Porous Co3O4Concave Nanocubes with High Specific Surface Area and Their Gas Sensing Properties. ACS Applied Materials & Interfaces. https://doi.org/10.1021/am405858v
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