清华化工论坛第五十九讲将于10月17日15:30在英士楼201会议室举行，欢迎各位老师参加👩‍🦳！

报告题目⛳️：Pore Environment Engineering of Stable Metal−Organic Frameworks for Heterogeneous Catalysis

报告人：Professor Hongcai Zhou Department of Chemistry, Texas A&M University, College Station, United States

报告时间：10月17日15:30

报告地点🙋🏿‍♀️：英士楼201会议室

Pore Environment Engineering of Stable Metal−Organic Frameworks for Heterogeneous Catalysis

Hong-Cai Zhou1,2

1Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States

2Department of Materials Science and Engineering, Texas A&M University, College Station,

Texas 77842, United States

Metal–organic frameworks (MOFs), as a class of organic-inorganic hybrid materials, have attracted considerable research interest in the past two decades because of their intrinsically porous structures and almost unlimited tunability.1 The exceptional level of structural control at molecular precision has brought new opportunities to heterogeneous catalysis (Figure 1). Despite numerous advantages, the applications of MOFs in catalysis are ultimately limited by their stability under harsh conditions. Therefore, we have been focusing on the development of stable MOFs by the combination of high valent metals with carboxylate linkers, or low valent metals with azolate linkers.2 Along this line, a series of robust MOFs were developed, which showed extraordinary resistance towards harsh environments such as acidic or basic conditions.3-6 However, the inert metal-ligand bonds posed challenges for the pore engineering of stable MOFs for catalysis. The conventional “one-pot” synthetic method lacks control over the reaction pathways and the products, which essentially limits the construction of robust MOF-catalysts. By judicious kinetic control, we have developed multiple synthetic strategies, which have led to the “total synthesis” approach, through which a target MOF can be retro-synthetically designed and synthesized.7 A series of synthetic strategies have been developed to functionalize stable MOFs by “layer-on” molecular elaborations to preformed coordination assemblies, which together form a synthetic toolbox.8-9 The synthetic toolbox allows the assembly of unique coordination structures that are otherwise difficult to achieve, such as the trans-coordinated metal centers. Furthermore, “total synthesis” of multi-component MOFs was realized by sequentially applying the multiple postsynthetic methods under kinetic considerations. These MOFs with high stability and precisely controlled pore environments are critical for a variety of applications in heterogeneous catalysis.

CONTACT/PRESENTING AUTHOR

*H.-C. Zhou, tel: +1-979-845-4034; zhou@chem.tamu.edu

References

[1] H.-C. Zhou, J.R. Long, O.M. Yaghi, Chem. Rev., 112 (2012) 673-674.

[2] S. Yuan, L. Feng, K. Wang, J. Pang, M. Bosch, C. Lollar, Y. Sun, J. Qin, X. Yang, P. Zhang, Q. Wang, L. Zou,

Y. Zhang, L. Zhang, Y. Fang, J. Li, H.C. Zhou, Adv. Mater., (2018) 1704303.

[3] K. Wang, X.-L. Lv, D. Feng, J. Li, S. Chen, J. Sun, L. Song, Y. Xie, J.-R. Li, H.-C. Zhou, J. Am. Chem. Soc.,

138 (2016) 914-919.

[4] X.-L. Lv, K. Wang, B. Wang, J. Su, X. Zou, Y. Xie, J.-R. Li, H.-C. Zhou, J. Am. Chem. Soc., 139 (2017) 211-

217.

[5] N. Huang, S. Yuan, H. Drake, X. Yang, J. Pang, J. Qin, J. Li, Y. Zhang, Q. Wang, D. Jiang, H.-C. Zhou, J. Am.

Chem. Soc., 139 (2017) 18590-18597.

[6] N. Huang, K. Wang, H. Drake, P. Cai, J. Pang, J. Li, S. Che, L. Huang, Q. Wang, H.-C. Zhou, J. Am. Chem.

Soc., 140 (2018) 6383-6390.

[7] S. Yuan, J.-S. Qin, J. Li, L. Huang, L. Feng, Y. Fang, C. Lollar, J. Pang, L. Zhang, D. Sun, A. Alsalme, T.

Cagin, H.-C. Zhou, Nat. Commun., 9 (2018) 808.

[8] S. Yuan, L. Zou, J.-S. Qin, J. Li, L. Huang, L. Feng, X. Wang, M. Bosch, A. Alsalme, T. Cagin, H.-C. Zhou,

Nat. Commun., 8 (2017) 15356.

[9] S. Yuan, Y.-P. Chen, J.-S. Qin, W. Lu, L. Zou, Q. Zhang, X. Wang, X. Sun, H.-C. Zhou, J. Am. Chem. Soc., 138

(2016) 8912-8919.

Biographical Sketch

Hong-Cai “Joe” Zhou obtained his Ph.D. in 2000 from Texas A&M University under the supervision of F. A. Cotton. After a postdoctoral stint at Harvard University with R. H. Holm, he joined the faculty of Miami University, Oxford in 2002. He moved back to Texas A&M University in 2008, and has been a full Professor of Chemistry since. He was promoted to a Davidson Professor of Science in 2014 and a Robert A. Welch Foundation Chair in Chemistry in 2015. He was recognized as a Thomson Reuters “Highly Cited Researcher” every year since 2014. He was elected a Fellow of the American Chemical Society (ACS Fellow), a Fellow of the Royal Society of Chemistry (FRSC), and a Fellow of the American Association for the Advancement of Science (AAAS Fellow), respectively, in 2016. His research focuses on the discovery of synthetic methods to obtain robust framework materials with unique catalytic activities or desirable properties for clean-energy-related applications. Dr. Zhou has published more than 265 papers with more than half published in journals with impact factors greater than 10 (90 in JACS and Angew. Chem.), an overall h-index of 84, and a total of about 35,595 citations (Web of Science, accessed on Sept. 21). He has been an Associate Editor for the ACS journal Inorganic Chemistry since 2013. His awards include a Research Innovation Award from Research Corporation in 2003, an NSF CAREER Award in 2005, a Cottrell Scholar Award from Research Corporation in 2005, the 2006 Miami University Distinguished Scholar - Young Investigator Award, the 2007 Faculty Excellence Award from Air Products, as well as an Association of Former Students of Texas A&M University Distinguished Achievement Award in Research in 2017.