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Room-Temperature Hydrogen Uptake by TiO2 Nanotubes
Abstract
TiO(2) nanotubes can reproducibly store up to approximately 2 wt % H(2) at room temperature and 6 MPa. However, only about 75% of this stored hydrogen can be released when the hydrogen pressure is lowered to ambient conditions, suggesting that both physisorption and chemisorption are responsible for the hydrogen uptake. FTIR spectroscopy, temperature-programmed desorption (TPD), and pressure-composition (P-C) isotherms suggest that 75% of the H(2) is physisorbed and can be reversibly released upon pressure reduction. Approximately 13% is weakly chemisorbed and can be released at 70 degrees C as H(2), and approximately 12% is bonded to oxide ions and released only at temperatures above 120 degrees C as H(2)O.
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Citations
Cited by
TiO2 photocatalysis and related surface phenomena
FUJISHIMA, A., ZHANG, X., & TRYK, D. (2008) · Surface Science Reports · doi:10.1016/j.surfrep.2008.10.001 · Cited by 6,737
Ni1-xPtx (x = 0−0.12) Hollow Spheres as Catalysts for Hydrogen Generation from Ammonia Borane
Cheng, F., Ma, H., Li, Y., & Chen, J. (2007) · Inorganic Chemistry · doi:10.1021/ic061712e · Cited by 349
Zheng, Z., Huang, B., Lu, J., Wang, Z., Qin, X., Zhang, X., Dai, Y., & Whangbo, M.-H. (2012) · Chemical Communications · doi:10.1039/c2cc32220j · Cited by 313
Dhandole, L. K., Kim, S.-G., Bae, H.-S., Ryu, H. I., Chung, H.-S., Seo, Y.-S., Cho, M., Shea, P. J., & Jang, J. S. (2020) · Environmental Research · doi:10.1016/j.envres.2019.108651 · Cited by 45
Metadata
- Authors
- Lim, S. H., Luo, J., Zhong, Z., Ji, W., & Lin, J.
- Venue
- Inorganic Chemistry
- Publisher
- American Chemical Society (ACS)
- Published
- 2005-05-14
- Volume
- 44
- Issue
- 12
- Pages
- 4124-4126
- ISSN
- 0020-1669 (ISSN-L)
- 1520-510X
- OpenAlex
- W2044062999
- Cited by
- 206
- References
- 0
- FWCI
- 8.26
- Type
- journal article
- Language
- en
- Open access
- closed
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- Lim, S. H., Luo, J., Zhong, Z., Ji, W., & Lin, J. (2005). Room-Temperature Hydrogen Uptake by TiO2 Nanotubes. Inorganic Chemistry. https://doi.org/10.1021/ic0501723
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