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dc.contributor.authorShen, Boyuan
dc.contributor.authorChen, Xiao
dc.contributor.authorWang, Huiqiu
dc.contributor.authorXiong, Hao
dc.contributor.authorBosch, Eric G. T.
dc.contributor.authorLazić, Ivan
dc.contributor.authorCai, Dali
dc.contributor.authorQian, Weizhong
dc.contributor.authorJin, Shifeng
dc.contributor.authorLiu, Xin
dc.contributor.authorHan, Yu
dc.contributor.authorWei, Fei
dc.date.accessioned2021-04-26T08:57:42Z
dc.date.available2020-08-27T12:46:58Z
dc.date.available2021-04-26T08:57:42Z
dc.date.issued2021-04-21
dc.date.submitted2018-12-16
dc.identifier.citationShen, B., Chen, X., Wang, H., Xiong, H., Bosch, E. G. T., Lazić, I., … Wei, F. (2021). A single-molecule van der Waals compass. Nature, 592(7855), 541–544. doi:10.1038/s41586-021-03429-y
dc.identifier.issn0028-0836
dc.identifier.issn1476-4687
dc.identifier.pmid33883731
dc.identifier.doi10.1038/s41586-021-03429-y
dc.identifier.urihttp://hdl.handle.net/10754/664880
dc.description.abstractSingle-molecule imaging is challenging but highly beneficial for investigating intermolecular interactions at the molecular level<sup>1-6</sup>. Van der Waals interactions at the sub-nanometre scale strongly influence various molecular behaviours under confinement conditions<sup>7-11</sup>. Inspired by the traditional compass<sup>12</sup>, here we use a para-xylene molecule as a rotating pointer to detect the host-guest van der Waals interactions in the straight channel of the MFI-type zeolite framework. We use integrated differential phase contrast scanning transmission electron microscopy<sup>13-15</sup> to achieve real-space imaging of a single para-xylene molecule in each channel. A good correlation between the orientation of the single-molecule pointer and the atomic structure of the channel is established by combining the results of calculations and imaging studies. The orientations of para-xylene help us to identify changes in the van der Waals interactions, which are related to the channel geometry in both spatial and temporal dimensions. This work not only provides a visible and sensitive means to investigate host-guest van der Waals interactions in porous materials at the molecular level, but also encourages the further study of other single-molecule behaviours using electron microscopy techniques.
dc.description.sponsorshipWe thank Q. Zhang and W. Gao for discussions. This work was supported by the National Key Research and Development Program of China (2018YFB0604801), the National Natural Science Foundation of China (21771029, 202013981 and 22005170) and the National Key R&D Program of China (2017YFB0602204). Y.H. thanks the Center Applied Research Fund (FCC/1/1974-16-01) from King Abdullah University of Science and Technology. We thank the Tsinghua National Laboratory for Information Science and Technology for assistance with the energy simulation.
dc.publisherSpringer Science and Business Media LLC
dc.relation.urlhttp://www.nature.com/articles/s41586-021-03429-y
dc.rightsArchived with thanks to Nature
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.titleA single-molecule van der Waals compass
dc.typeArticle
dc.contributor.departmentAdvanced Membranes and Porous Materials Research Center
dc.contributor.departmentBiological and Environmental Science and Engineering (BESE) Division
dc.contributor.departmentChemical Science Program
dc.contributor.departmentKAUST Catalysis Center (KCC)
dc.contributor.departmentNanostructured Functional Materials (NFM) laboratory
dc.contributor.departmentPhysical Science and Engineering (PSE) Division
dc.contributor.departmentWater Desalination and Reuse Research Center (WDRC)
dc.identifier.journalNature
dc.rights.embargodate2021-10-21
dc.eprint.versionPost-print
dc.contributor.institutionSchool of Chemistry, Dalian University of Technology, Dalian, China.
dc.contributor.institutionMulti-scale Porous Materials Center, Institute of Advanced Interdisciplinary Studies, School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, China.
dc.identifier.volume592
dc.identifier.issue7855
dc.identifier.pages541-544
kaust.personLiu, Xin
kaust.personHan, Yu
kaust.grant.numberFCC/1/1974-16-01
dc.date.accepted2021-03-08
refterms.dateFOA2020-08-27T12:47:26Z
dc.date.published-online2021-04-21
dc.date.published-print2021-04-22


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