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Study of Fibrous AlPO4-5 via Hydrothermal Conditions: Morphology Evolution and Growth Mechanism

Chun Xia Zhao, Yunxia Yang, Wen Chen, Paul A. Webley, Jin Qiao Cao

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Abstract

Aluminophosphate molecular sieves (AlPO4-5s) with fibrous morphology were readily prepared via hydrothermal method at 180 °C with the initial molar ratio of Al(OiPr)3: H3PO4: TrPA: HF: H2O as 1: 0.83: 1: 0.8: 70. The morphology and structure of the prepared AlPO4-5s were characterized by XRD, SEM, TEM and nitrogen sorption measurement. The morphology development and structure evolution mechanism were proposed.

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What this paper is about

Aluminophosphate molecular sieves (AlPO4-5s) with fibrous morphology were readily prepared via hydrothermal method at 180 °C with the initial molar ratio of Al(OiPr)3: H3PO4: TrPA: HF: H2O as 1: 0.83: 1: 0.8: 70. The morphology and structure of the prepared AlPO4-5s were characterized by XRD, SEM, TEM and nitrogen sorption measurement. The morphology development and structure evolution mechanism were proposed.

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Available abstract

Aluminophosphate molecular sieves (AlPO4-5s) with fibrous morphology were readily prepared via hydrothermal method at 180 °C with the initial molar ratio of Al(OiPr)3: H3PO4: TrPA: HF: H2O as 1: 0.83: 1: 0.8: 70. The morphology and structure of the prepared AlPO4-5s were characterized by XRD, SEM, TEM and nitrogen sorption measurement. The morphology development and structure evolution mechanism were proposed.

Key concepts: Morphology (biology), Hydrothermal circulation, Sorption, Molar ratio, Chemical engineering, Materials science, Hydrothermal synthesis, Molecular sieve

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