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Porous Semiconducting Gels and Aerogels from Chalcogenide Clusters
Abstract
Inorganic porous materials are being developed for use as molecular sieves, ion exchangers, and catalysts, but most are oxides. We show that various sulfide and selenide clusters, when bound to metal ions, yield gels having porous frameworks. These gels are transformed to aerogels after supercritical drying with carbon dioxide. The aerogels have high internal surface area (up to 327 square meters per gram) and broad pore size distribution, depending on the precursors used. The pores of these sulfide and selenide materials preferentially absorb heavy metals. These materials have narrow energy gaps (between 0.2 and 2.0 electron volts) and low densities, and they may be useful in optoelectronics, as photocatalysts, or in the removal of heavy metals from water.
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Cited by
Mercury nano-trap for effective and efficient removal of mercury(II) from aqueous solution
Li, B., Zhang, Y., Ma, D., Shi, Z., & Ma, S. (2014) · Nature Communications · doi:10.1038/ncomms6537 · Cited by 587
A Special Material or a New State of Matter: A Review and Reconsideration of the Aerogel
Du, A., Zhou, B., Zhang, Z., & Shen, J. (2013) · Materials · doi:10.3390/ma6030941 · Cited by 481
Noble Metal Aerogels─Synthesis, Characterization, and Application as Electrocatalysts
Liu, W., Herrmann, A.-K., Bigall, N. C., Rodriguez, P., Wen, D., Oezaslan, M., Schmidt, T. J., Gaponik, N., & Eychmüller, A. (2015) · Accounts of Chemical Research · doi:10.1021/ar500237c · Cited by 376
Hydrogels and aerogels from noble metal nanoparticles
Bigall, N. C., Herrmann, A., Vogel, M., Rose, M., Simon, P., Carrillo‐Cabrera, W., Dorfs, D., Kaskel, S., Gaponik, N., & Eychmüller, A. (2009) · Angewandte Chemie International Edition · doi:10.1002/anie.200902543 · Cited by 334
Printed aerogels: chemistry, processing, and applications
Feng, J., Su, B.-L., Xia, H., Zhao, S., Gao, C., Wang, L., Ogbeide, O., Feng, J., & Hasan, T. (2021) · Chemical Society Reviews · doi:10.1039/c9cs00757a · Cited by 313
Metadata
- Authors
- Bag, S., Trikalitis, P. N., Chupas, P. J., Armatas, G. S., & Kanatzidis, M. G.
- Venue
- Science
- Published
- 2007-07-27
- Volume
- 317
- Issue
- 5837
- Pages
- 490-493
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2008361132
- Cited by
- 411
- References
- 0
- FWCI
- 9.44
- Type
- journal article
- Language
- en
- Open access
- closed
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- Bag, S., Trikalitis, P. N., Chupas, P. J., Armatas, G. S., & Kanatzidis, M. G. (2007). Porous Semiconducting Gels and Aerogels from Chalcogenide Clusters. Science. https://doi.org/10.1126/science.1142535
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
