{
  "abstract": "Creating synthetic systems that autonomously form complex patterns remains a frontier challenge in chemistry and materials science. Here, we present a redox-responsive supramolecular system in which coupled changes in chemical state, assembly, and transport generate spatiotemporal patterns through density-driven chemoconvection. Charge-transfer complexes of pyranine and viologen derivatives undergo reversible redox-controlled assembly–disassembly cycles, producing composition-dependent buoyancy that drive convective flows and feeds back into the evolving assembly distribution. Molecular amphiphilicity and supramolecular assembly morphology tune the resulting pattern type, dot-, stripe-, and flower-like structures without external fields. Finite-element simulations reproduce the observed chemoconvective dynamics, while linear stability analysis predicts the onset conditions and its characteristic wavelength. A weakly nonlinear analysis further identifies reduced translational diffusivity of elongated assemblies as a mechanism that weakens hexagonal mode selection and favors anisotropic near-onset states. These results provide a molecular-to-macroscopic framework for coupling supramolecular organization with chemically driven hydrodynamic pattern formation.",
  "abstract_shown": true,
  "affiliations": [
    "Johannes Gutenberg University Mainz",
    "Institute for Condensed Matter Physics, Technische Universität Darmstadt, Hochschulstraße 8, Darmstadt, Germany, 64289"
  ],
  "article_type": null,
  "arxiv": null,
  "author_total": 7,
  "authors": [
    {
      "affs": [
        0
      ],
      "name": "Surbhi Sharma"
    },
    {
      "affs": [
        1
      ],
      "name": "Aritra K. Mukhopadhyay"
    },
    {
      "affs": [
        0
      ],
      "name": "Mohit Kumar"
    },
    {
      "affs": [
        0
      ],
      "name": "Jessica Erlenbusch"
    },
    {
      "affs": [
        0
      ],
      "name": "Ankit Sakhuja"
    },
    {
      "affs": [
        1
      ],
      "name": "Benno Liebchen"
    },
    {
      "affs": [
        0
      ],
      "name": "Shikha Dhiman",
      "orcid": "0000-0001-9180-5071"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/bw5145jc6xgs1.bib",
  "cited_by": 0,
  "doi": "10.26434/chemrxiv-2024-r3l1b/v2",
  "fulltext_url": null,
  "id": "bw5145jc6xgs1",
  "issns": [],
  "landing_url": "https://chemrxiv.org/doi/full/10.26434/chemrxiv-2024-r3l1b/v2",
  "language": null,
  "licence": "CC-BY",
  "licence_label": "CC BY",
  "licence_source": "journal",
  "licence_url": "https://creativecommons.org/licenses/by/4.0/",
  "metadata_licence": null,
  "native_subjects": [
    [
      "openalex",
      "2502|Supramolecular Self-Assembly in Materials"
    ]
  ],
  "openalex": "W7212072817",
  "pdf_url": "https://chemrxiv.org/doi/pdf/10.26434/chemrxiv-2024-r3l1b/v2",
  "pmcid": null,
  "pmid": null,
  "published": "2026-09-08",
  "publisher": "American Chemical Society (ACS)",
  "ris": "https://research.draconitic.com/paper/bw5145jc6xgs1.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:17:19Z",
      "native_id": "10.26434/chemrxiv-2024-r3l1b",
      "source": "chemrxiv",
      "url": "https://chemrxiv.org/doi/full/10.26434/chemrxiv-2024-r3l1b/v2"
    }
  ],
  "subjects": [
    {
      "field": "chemistry",
      "origin": "openalex:2502|Supramolecular Self-Assembly in Materials",
      "subfield": "materials-polymers"
    }
  ],
  "title": "Chemically Fueled Spatiotemporal Patterns from Charge-transfer Supramolecular Assembly",
  "title_text": "Chemically Fueled Spatiotemporal Patterns from Charge-transfer Supramolecular Assembly",
  "type": "preprint",
  "updated_at": "2026-10-30T12:17:19Z",
  "url": "https://research.draconitic.com/paper/bw5145jc6xgs1",
  "venue": "ChemRxiv",
  "versions": []
}