Enhanced Stability toward Humidity in a Family of Hybrid Ultramicroporous Materials Incorporating Cr2O72- Pillars

Hayley S. Scott, Mohana Shivanna, Alankriti Bajpai, Kai Jie Chen, David G. Madden, John J. Perry, Michael J. Zaworotko

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13 引用 (Scopus)

摘要

Dichromate (Cr2O72-) pillared pcu hybrid ultramicroporous materials, while previously shown to exhibit benchmark selectivity for small polarizable gases, sometimes suffer from poor stability when exposed to moisture, which could limit their potential application in gas separation systems. In attempting to improve their stability toward humidity, we have crystal engineered two new families of DICRO-L-M-i materials of formula [M(L)2(Cr2O7)]n (M = Ni2+, Co2+ L = 5: 1,4-bis(4-pyridyl)xylene; 6: 1,4-bis(4-pyridyl)durene). Evaluating these materials in combination with a previously reported analogue, DICRO-4-Ni-i, in terms of their stability toward humidity has revealed a relationship between increasing the number of methyl groups on the dipyridyl organic linkers and a greater stability toward humidity.

源语言英语
页(从-至)1933-1937
页数5
期刊Crystal Growth and Design
17
4
DOI
出版状态已出版 - 5 4月 2017
已对外发布

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