Photoresponsive Structured Liquids Enabled by Molecular Recognition at Liquid–Liquid Interfaces

Sun, Huilou; Li, Lianshun; Russell, Thomas P.; Shi, Shaowei

doi:10.1021/jacs.0c02555

Title: Photoresponsive Structured Liquids Enabled by Molecular Recognition at Liquid–Liquid Interfaces

Abstract

Using host-guest molecular recognition at the oil-water interface, a new type of photoresponsive nanoparticle surfactant (NPS) was designed and prepared to structure liquids. With the help of a polymeric surfactant, the interfacial host-guest interactions can be significantly enhanced, leading to the rapid formation and assembly of a NP monolayer and offering sufficient binding energy to hold the NPs in a jammed state. The assembly of the NPSs can be reversibly manipulated via a photoswitchable jamming-to-unjamming transition, endowing the interface as well as the macroscopic assemblies with responsiveness to the external trigger (photons). Finally, this study for the first time opens a pathway for the construction of multiresponsive, structured all-liquid systems by introducing host-guest chemistry, showing promising potential applications in encapsulation, delivery systems, and unique microfluidic devices.

Authors:

Sun, Huilou ^[1]; Li, Lianshun ^[1];

^[2];

^[1]

Beijing Univ. of Chemical Technology (China)
Beijing Univ. of Chemical Technology (China); Univ. of Massachusetts, Amherst, MA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)

Publication Date:: Thu Apr 23 00:00:00 EDT 2020

Research Org.:: Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division; Beijing National Science Foundation; National Natural Science Foundation (NNSFC)

OSTI Identifier:: 1634084

Grant/Contract Number:: AC02-05CH11231; 2194083; 51903011

Resource Type:: Accepted Manuscript

Journal Name:: Journal of the American Chemical Society

Additional Journal Information:: Journal Volume: 142; Journal Issue: 19; Journal ID: ISSN 0002-7863

Publisher:: American Chemical Society (ACS)

Country of Publication:: United States

Language:: English

Subject:: 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; surface tension; interfaces; noncovalent interactions; liquids; ligands

Citation Formats


                    Sun, Huilou, Li, Lianshun, Russell, Thomas P., and Shi, Shaowei. Photoresponsive Structured Liquids Enabled by Molecular Recognition at Liquid–Liquid Interfaces.  United States: N. p., 2020. 
Web.  doi:10.1021/jacs.0c02555.

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                    Sun, Huilou, Li, Lianshun, Russell, Thomas P., & Shi, Shaowei. Photoresponsive Structured Liquids Enabled by Molecular Recognition at Liquid–Liquid Interfaces.  United States.  https://doi.org/10.1021/jacs.0c02555

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                    Sun, Huilou, Li, Lianshun, Russell, Thomas P., and Shi, Shaowei. Thu .  
"Photoresponsive Structured Liquids Enabled by Molecular Recognition at Liquid–Liquid Interfaces".  United States.  https://doi.org/10.1021/jacs.0c02555.  https://www.osti.gov/servlets/purl/1634084.

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@article{osti_1634084,

  title        = {Photoresponsive Structured Liquids Enabled by Molecular Recognition at Liquid–Liquid Interfaces},

  author       = {Sun, Huilou and Li, Lianshun and Russell, Thomas P. and Shi, Shaowei},

  abstractNote = {Using host-guest molecular recognition at the oil-water interface, a new type of photoresponsive nanoparticle surfactant (NPS) was designed and prepared to structure liquids. With the help of a polymeric surfactant, the interfacial host-guest interactions can be significantly enhanced, leading to the rapid formation and assembly of a NP monolayer and offering sufficient binding energy to hold the NPs in a jammed state. The assembly of the NPSs can be reversibly manipulated via a photoswitchable jamming-to-unjamming transition, endowing the interface as well as the macroscopic assemblies with responsiveness to the external trigger (photons). Finally, this study for the first time opens a pathway for the construction of multiresponsive, structured all-liquid systems by introducing host-guest chemistry, showing promising potential applications in encapsulation, delivery systems, and unique microfluidic devices.},

  doi          = {10.1021/jacs.0c02555},

  journal      = {Journal of the American Chemical Society},

  number       = 19,

  volume       = 142,

  place        = {United States},

  year         = {Thu Apr 23 00:00:00 EDT 2020},

  month        = {Thu Apr 23 00:00:00 EDT 2020}

}

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Title: Photoresponsive Structured Liquids Enabled by Molecular Recognition at Liquid–Liquid Interfaces

Abstract

Citation Formats

Nanoparticle Assembly at Liquid-Liquid Interfaces: From the Nanoscale to Mesoscale journal, July 2018

Self-assembly of nanoparticles at interfaces journal, January 2007

The water/oil interface: the emerging horizon for self-assembly of nanoparticles journal, January 2005

The Liquid–Liquid Interface as a Medium To Generate Nanocrystalline Films of Inorganic Materials journal, April 2008

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Nanoparticle Assembly at Fluid Interfaces: Structure and Dynamics journal, January 2005

Spontaneous Assembly of a Monolayer of Charged Gold Nanocrystals at the Water/Oil Interface journal, January 2004

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Magnetic Colloidosomes Derived from Nanoparticle Interfacial Self-Assembly journal, May 2005

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