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Compression Rate-Dependent Crystallization of Pyridine
BSRF用户
2021
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY C
ISSN1932-7447
EISSN1932-7455
Volume125Issue:12Pages:6983--6989
SubtypeArticle
AbstractThe high-pressure polymorphism of pyridine has attracted great attention. Herein, the crystallization process of pyridine at different compression rates was investigated in detail. When the compression time was <= 1 s, pyridine crystallized into phase III, while phase I occurred when the compression time was >= 10 s, although both phases were compressed from 0.30 to similar to 1.20 GPa. In situ time-resolved ruby fluorescence and optical micrographs of the pyridine compression process revealed that the compression rate affected the initial crystallization pressure and resulted in different crystalline phases. Phase I slowly transformed to phase III at 1.55 GPa, while the reverse transformation occurred rapidly upon decompression to 1.0 GPa. In situ Raman spectroscopy and synchrotron X-ray diffraction results demonstrated that phase III did not undergo any further phase transition up to 17 GPa. Our results proved that the compression rate could selectively control the nucleation pathway to achieve different final products even when the final pressure was the same. The findings will enable a better understanding of the high-pressure crystallization kinetics of the materials.
DOI10.1021/acs.jpcc.1c01163
Indexed BySCI
Language英语
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science
WOS SubjectChemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS IDWOS:000636924700050
ItemNoBSRF00833
beamline4W2
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/293601
Collection北京同步辐射装置
Recommended Citation
GB/T 7714
BSRF用户. Compression Rate-Dependent Crystallization of Pyridine[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2021,125(12):6983--6989.
APA BSRF用户.(2021).Compression Rate-Dependent Crystallization of Pyridine.JOURNAL OF PHYSICAL CHEMISTRY C,125(12),6983--6989.
MLA BSRF用户."Compression Rate-Dependent Crystallization of Pyridine".JOURNAL OF PHYSICAL CHEMISTRY C 125.12(2021):6983--6989.
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