Sheng Wu, Shuai Zhang, Weibin Jiang, Johan Alauzun, Qing Kang, Chongyang Xu, Dejian Wang, Qishuo Du, Peijie Yao, Jifan Dai, Yanhui Wang
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Study on the Construction Mechanism of Porous Titania-Bisphosphonates Hybrid Materials
Despite previous explorations of reaction conditions (temperature, time, solvent), the construction mechanism of mesoporous titania-bisphosphonate hybrids remains under-researched. This study provides a further understanding of the construction mechanism of these materials by investigating the formation of key chemical bonds Ti─OAc (acetoxylation), Ti─O─Ti (TiO2 formation), and Ti─O─P (bisphosphonate cross-linking). It is found that the competitive reactions between Ti─O─Ti and Ti─O─P significantly influence the specific surface areas, average pore sizes, crystallite sizes, and the degree of condensation. In addition, the Ac2O/Ti molar ratio plays a crucial role in determining the texture and composition of the resulting hybrids. This study will guide the synthesis strategy and regulate the texture and composition of these new mesoporous nonsiliceous materials with great application potential.
期刊介绍：
ChemistrySelect is the latest journal from ChemPubSoc Europe and Wiley-VCH. It offers researchers a quality society-owned journal in which to publish their work in all areas of chemistry. Manuscripts are evaluated by active researchers to ensure they add meaningfully to the scientific literature, and those accepted are processed quickly to ensure rapid online publication.
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