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Significant Enhancement of C2H2/C2H4 Separation by a Photochromic Diarylethene Unit: A Temperature- and Light-Responsive Separation Switch
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2017-04-24 03:55:40 , DOI: 10.1002/anie.201702484 Cong Bin Fan 1 , Le Le Gong 2 , Ling Huang 3 , Feng Luo 2 , Rajamani Krishna 4 , Xian Feng Yi 3 , An Min Zheng 3 , Le Zhang 2 , Shou Zhi Pu 1 , Xue Feng Feng 2 , Ming Biao Luo 2 , Guo Cong Guo 5
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2017-04-24 03:55:40 , DOI: 10.1002/anie.201702484 Cong Bin Fan 1 , Le Le Gong 2 , Ling Huang 3 , Feng Luo 2 , Rajamani Krishna 4 , Xian Feng Yi 3 , An Min Zheng 3 , Le Zhang 2 , Shou Zhi Pu 1 , Xue Feng Feng 2 , Ming Biao Luo 2 , Guo Cong Guo 5
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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.
中文翻译：
通过光致变色二芳基乙烯单元显着增强C2H2 / C2H4分离：温度和光响应分离开关
提出了在二芳基乙烯金属-有机骨架（MOF）中具有温度和光响应的C 2 H 2 / C 2 H 4双重分离开关。在195 K和100 kPa时，此MOF表现出47.1的超高C 2 H 2 / C 2 H 4选择性，几乎比293 K和100 kPa时的2.2对应值大21.4倍，或比2.9 K时大15.7倍。对于在195 K和100 kPa的紫外线下的材料，其值为3.0。C 2 H 2 / C 2 H 4中唯一控件的起源 如密度泛函计算所揭示的那样，选择性是由于来自二芳基乙烯单元的客体歧视性的开门效应。
更新日期：2017-06-22
中文翻译：
通过光致变色二芳基乙烯单元显着增强C2H2 / C2H4分离：温度和光响应分离开关
提出了在二芳基乙烯金属-有机骨架（MOF）中具有温度和光响应的C 2 H 2 / C 2 H 4双重分离开关。在195 K和100 kPa时，此MOF表现出47.1的超高C 2 H 2 / C 2 H 4选择性，几乎比293 K和100 kPa时的2.2对应值大21.4倍，或比2.9 K时大15.7倍。对于在195 K和100 kPa的紫外线下的材料，其值为3.0。C 2 H 2 / C 2 H 4中唯一控件的起源 如密度泛函计算所揭示的那样，选择性是由于来自二芳基乙烯单元的客体歧视性的开门效应。
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