Evidence map›Paper›PMID 36351911›Full record

ArticleNature communications2022

Symmetry-breaking in patch formation on triangular gold nanoparticles by asymmetric polymer grafting.

Ahyoung Kim, Thi Vo, Hyosung An, Progna Banerjee, Lehan Yao, Shan Zhou, Chansong Kim, Delia J Milliron, Sharon C Glotzer, Qian Chen

Abstract read
In one paragraph

Article in Nature communications, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

10 citing papers in PubMed.

  1. Article
  2. Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors.

Ahyoung Kim *Department of Materials Science and Engineering, University of Illinois, Urbana, IL, 61801, USA.ORCID http://orcid.org/0000-0002-7366-038X
Thi Vo *Department of Chemical Engineering, University of Michigan, Ann Arbor, MI, 48109, USA.
Hyosung AnDepartment of Materials Science and Engineering, University of Illinois, Urbana, IL, 61801, USA.
Progna BanerjeeCenter for Nanoscale Materials, Nanoscience and Technology Division, Argonne National Laboratory, Lemont, IL, 60439, USA.ORCID http://orcid.org/0000-0003-3257-7317
Lehan YaoDepartment of Materials Science and Engineering, University of Illinois, Urbana, IL, 61801, USA.ORCID http://orcid.org/0000-0003-1945-833X
Shan ZhouDepartment of Materials Science and Engineering, University of Illinois, Urbana, IL, 61801, USA.ORCID http://orcid.org/0000-0002-6476-3280
Chansong KimDepartment of Materials Science and Engineering, University of Illinois, Urbana, IL, 61801, USA.ORCID http://orcid.org/0000-0002-8662-5938
Delia J MillironCenter for Nanoscale Materials, Nanoscience and Technology Division, Argonne National Laboratory, Lemont, IL, 60439, USA.ORCID http://orcid.org/0000-0002-8737-451X
Sharon C GlotzerDepartment of Chemical Engineering, University of Michigan, Ann Arbor, MI, 48109, USA. sglotzer@umich.edu.ORCID http://orcid.org/0000-0002-7197-0085
Qian ChenDepartment of Materials Science and Engineering, University of Illinois, Urbana, IL, 61801, USA. qchen20@illinois.edu.ORCID http://orcid.org/0000-0002-1968-441X

Funding

National Science Foundation (NSF) ACI-1053575National Science Foundation (NSF) DMR 140129United States Department of Defense | United States Navy | Office of Naval Research (ONR) N00014-18-1-2497U.S. Department of Energy (DOE) DE-AC02-06CH11357U.S. Department of Energy (DOE) DE-SC0020723
6 · The paper itself

Abstract

Synthesizing patchy particles with predictive control over patch size, shape, placement and number has been highly sought-after for nanoparticle assembly research, but is fraught with challenges. Here we show that polymers can be designed to selectively adsorb onto nanoparticle surfaces already partially coated by other chains to drive the formation of patchy nanoparticles with broken symmetry. In our model system of triangular gold nanoparticles and polystyrene-b-polyacrylic acid patch, single- and double-patch nanoparticles are produced at high yield. These asymmetric single-patch nanoparticles are shown to assemble into self-limited patch‒patch connected bowties exhibiting intriguing plasmonic properties. To unveil the mechanism of symmetry-breaking patch formation, we develop a theory that accurately predicts our experimental observations at all scales-from patch patterning on nanoparticles, to the size/shape of the patches, to the particle assemblies driven by patch‒patch interactions. Both the experimental strategy and theoretical prediction extend to nanoparticles of other shapes such as octahedra and bipyramids. Our work provides an approach to leverage polymer interactions with nanoscale curved surfaces for asymmetric grafting in nanomaterials engineering.

Identifiers

PMID36351911
PMCPMC9646788

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.