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Updated: Apr 25, 2026
Gyroid Nickel Nanostructures from Diblock Copolymer Supramolecules
Published on: April 28, 2014
Monolithic gyroidal mesoporous mixed titanium-niobium nitrides
Spencer W Robbins1, Hiroaki Sai, Francis J DiSalvo
1Department of Chemistry and Chemical Biology, ‡Department of Materials Science and Engineering, §Department of Physics, ⊥Cornell High Energy Synchrotron Source (CHESS), and ∥Kavli Institute at Cornell for Nanoscale Science, Cornell University , Ithaca, New York 14853, United States.
Mesoporous titanium-niobium nitrides with unique gyroidal structures were synthesized. These durable, conductive materials show promise for energy applications without carbon supports.
Area of Science:
- Materials Science
- Nanotechnology
- Electrochemistry
Background:
- Mesoporous transition metal nitrides offer excellent conductivity and durability.
- These properties make them suitable for energy conversion and storage.
- Developing novel synthesis methods is crucial for advanced materials.
Purpose of the Study:
- To synthesize ordered mixed titanium-niobium nitrides with gyroidal structures.
- To investigate the structural integrity and scalability of these materials.
- To explore their potential as electrode and catalyst materials.
Main Methods:
- Utilizing triblock terpolymer structure-directed synthesis of mixed oxides.
- Forming gyroidal network structures in titanium-niobium nitrides.
- Annealing materials up to 600 °C to assess structural stability.
Main Results:
- Successfully synthesized ordered mixed titanium-niobium nitrides (8:2, 1:1) with gyroidal networks.
- Materials maintained macroscopic integrity and mesoscale ordering after high-temperature treatment.
- Gyroidal lattice parameters were tunable by altering polymer molar mass.
Conclusions:
- A novel synthesis strategy for monolithic ordered mesoporous nitrides was developed.
- The synthesized materials exhibit promising properties for energy applications.
- This approach facilitates the creation of diverse mesoporous oxides and nitrides.
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