Identification of a Frank–Kasper Z phase from shape amphiphile self-assembly
- South China Univ. of Technolog, Guangzhou (China); Univ. of Akron, OH (United States)
- Univ. of Akron, OH (United States)
- Argonne National Lab. (ANL), Argonne, IL (United States); Northern Illinois Univ., DeKalb, IL (United States)
- Argonne National Lab. (ANL), Argonne, IL (United States)
- South China Univ. of Technolog, Guangzhou (China)
- Univ. of Tokyo (Japan); Riken Center for Emergent Matter Science, Saitama (Japan)
Frank-Kasper phases, a family of ordered structures formed from particles with spherical motifs, are found in a host of materials, such as metal alloys, inorganic colloids and various types of soft matter. All the experimentally observed Frank-Kasper phases can be constructed from the basic units of three fundamental structures called the A15, C15 and Z phases. The Z phase, typically observed in metal alloys, is associated with a relatively large volume ratio between its constituents, and this constraint inhibits its formation in most self-assembled single-component soft-matter systems. We have assembled a series of nanosized shape amphiphiles that comprise a triphenylene core and six polyhedral oligomeric silsesquioxane cages grafted onto it through linkers to give a variety of unconventional structures, which include the Z phase. Finally, this structure was obtained through fine tuning of the linker lengths between the core and the peripheral polyhedral oligomeric silsesquioxane cages, and exhibits a relatively large volume asymmetry between its constituent polyhedral particle motifs.
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL (United States); National Science Foundation (NSF); Program for Guangdong
- Sponsoring Organization:
- USDOE Office of Science (SC); Northern Illinois University; National Science Foundation (NSF)
- Grant/Contract Number:
- AC02-06CH11357
- OSTI ID:
- 1625311
- Journal Information:
- Nature Chemistry, Journal Name: Nature Chemistry Journal Issue: 10 Vol. 11; ISSN 1755-4330
- Publisher:
- Nature Publishing GroupCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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