Fan, Cong Bin ; Le Gong, Le ; Huang, Ling ; Luo, Feng ; Krishna, Rajamani ; Yi, Xian Feng ; Zheng, An Min ; Zhang, Le ; Pu, Shou Zhi ; Feng, Xue Feng ; Luo, Ming Biao ; Guo, Guo Cong (2017) Significant enhancement of C2H2/C2H4 separation by a photochromic diarylethene unit: a temperature- and light-responsive separation switch Angewandte Chemie International Edition, 56 (27). pp. 7900-7906. ISSN 1433-7851
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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/anie.20...
Related URL: http://dx.doi.org/10.1002/anie.201702484
Abstract
A dual temperature- and light-responsive C2H2/C2H4 separation switch in a diarylethene Metal–organic Framework (MOF) is presented. At 195 K and 100 kPa this MOF shows ultrahigh C2H2/C2H4 selectivity of 47.1, which is almost 21.4 times larger than the corresponding value of 2.2 at 293 K and 100 kPa or 15.7 times larger than the value of 3.0 for the material under UV at 195 K and 100 kPa. The origin of this unique control in C2H2/C2H4 selectivity, as unveiled by density functional calculations, is due to a guest discriminatory gate-opening effect from the diarylethene unit.
| Item Type: | Article |
|---|---|
| Source: | Copyright of the article belongs to John Wiley and Sons, Inc. |
| Keywords: | Gas Separation; Metal–Organic Frameworks; Molecular Switches; Photochromism; Selectivity |
| ID Code: | 111883 |
| Deposited On: | 25 Sep 2017 13:15 |
| Last Modified: | 25 Sep 2017 13:15 |
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