Block copolymer self-assembly-directed synthesis of mesoporous gyroidal superconductors
Open accessAbstract
Superconductors with periodically ordered mesoporous structures are expected to have properties very different from those of their bulk counterparts. Systematic studies of such phenomena to date are sparse, however, because of a lack of versatile synthetic approaches to such materials. We demonstrate the formation of three-dimensionally continuous gyroidal mesoporous niobium nitride (NbN) superconductors from chiral ABC triblock terpolymer self-assembly-directed sol-gel-derived niobium oxide with subsequent thermal processing in air and ammonia gas. Superconducting materials exhibit a critical temperature (T c) of about 7 to 8 K, a flux exclusion of about 5% compared to a dense NbN solid, and an estimated critical current density (J c) of 440 A cm(-2) at 100 Oe and 2.5 K. We expect block copolymer self-assembly-directed mesoporous superconductors to provide interesting subjects for mesostructure-superconductivity correlation studies.
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The formation of a three-dimensionally continuous gyroidal mesoporous NbN superconductor exhibits a critical temperature (Tc) of about 7 to 8 K and a flux exclusion of about 5% compared to a dense NbN solid.
“The formation of a three-dimensionally continuous gyroidal mesoporous NbN superconductor exhibits a critical temperature (Tc) of about 7 to 8 K, a flux exclusion of about 5% compared to a dense NbN solid [75].”
From Block Copolymers: Synthesis, Self-Assembly, and Applications (2017) · cites this paper as [75]
Wiesner et al. demonstrated utilization of triblock copolymer (PI-b-PS-b-PEO) self-assembly to direct synthesis of a mesoporous niobium nitride (NbN) superconductor.
“Wiesner et al. demonstrated the utilization of triblock copolymer (PI-b-PS-b-PEO) self-assembly to direct the synthesis of a mesoporous niobium nitride (NbN) superconductor (Figure 9).”
From Block Copolymers: Synthesis, Self-Assembly, and Applications (2017) · cites this paper as [75]
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Block Copolymers: Synthesis, Self-Assembly, and Applications
Feng, H., Lu, X., Wang, W., Kang, N.-G., & Mays, J. (2017) · Polymers · doi:10.3390/polym9100494 · Cited by 467 · see citing works
“Reprinted with permission from Reference [75].”
BackgroundInfluentialNew insight into the synthesis of large-pore ordered mesoporous materials
Wei, J., Sun, Z., Luo, W., Li, Y., Elzatahry, A. A., Al-Enizi, A. M., Deng, Y., & Zhao, D. (2017) · Journal of the American Chemical Society · doi:10.1021/jacs.6b11411 · Cited by 336 · see citing works
- Authors
- Robbins, S. W., Beaucage, P. A., Sai, H., Tan, K. W., Werner, J. G., Sethna, J. P., DiSalvo, F. J., Gruner, S. M., Van Dover, R. B., & Wiesner, U.
- Affiliations
- Cornell University (US)
- Department of Materials Science and Engineering, Cornell University, Ithaca, NY 14853, USA.
- Corresponding author
- Robbins, Spencer W.
- Beaucage, Peter A.
- Tan, Kwan Wee
- Wiesner, Ulrich
- ORCID
- Venue
- Science Advances
- Published
- 2016-01
- Volume
- 2
- Issue
- 1
- Pages
- e1501119-e1501119
- ISSN
- 2375-2548 (ISSN-L)
- PMC
- PMC4846463
- OpenAlex
- W2302054640
- Cited by
- 127
- References
- 54
- Citations by year
- 2026: 5 · 2025: 5 · 2024: 14 · 2023: 11 · 2022: 13 · 2021: 22 · 2020: 19 · 2019: 14 · 2018: 11 · 2017: 11 · 2016: 2
- FWCI
- 5.64
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- cc-by-nc
- Locations
- Science Advances (publishedVersion, cc-by-nc)
- PubMed Central (publishedVersion, cc-by-nc)
- PubMed (publishedVersion)
- OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion)
- Funders
- Division of Materials Research (ID0EW6DI4473, DMR-1312160, ID0ETLAK4475, 1120296, ID0EEMAK4476, DMR-0936384)
- Division of Graduate Education (ID0E3EAK4474, DGE-1144153)
- Division of Electrical, Communications and Cyber Systems (ID0EVMAK4477, ECCS-15420819)
- Topics
- Physical Sciences › Materials Science › Materials Chemistry › Block Copolymer Self-Assembly
- Physical Sciences › Materials Science › Materials Chemistry › Mesoporous Materials and Catalysis
- Physical Sciences › Engineering › Biomedical Engineering › Superconducting Materials and Applications
- Keywords
- niobium nitride, block copolymer self-assembly, sol-gel synthesis, niobium oxide, critical current density
- MeSH terms
- Superconductivity, Niobium, Polymers, Porosity
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