Journal
NANO LETTERS
Volume 12, Issue 9, Pages 5033-5038Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl3028312
Keywords
Atomic layer deposition; block copolymers; mesoporous materials; metal oxides
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Funding
- National Basic Research Program of China [2011CB612302]
- Natural Science Foundation of China [21004033, 21176120, 21125629]
- Jiangsu Natural Science Fund for Distinguished Young Scholars [BK2012039]
- Fok Ying Dong Education Foundation [131046]
- Open Research Fund Program of the State Key Laboratory of Polymer Physics and Chemistry (Changchun Institute of Applied Chemistry)
- Project of Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
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Mesoporous metal oxide networks composed of interconnected nanotubes with ultrathin tube walls down to 3 nm and high porosity up to 90% were fabricated by atomic layer deposition (ALD) of alumina or titania onto templates of swelling-induced porous block copolymers. The nanotube networks possessed dual sets of interconnected pores separated by the tube wall whose thickness could be finely tuned by altering ALD cycles. Because of the excellent pore interconnectivity and high porosity, the alumina nanotube networks showed superior humidity-sensing performances.
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