{
  "abstract": "Strain engineering has emerged as a powerful approach for tailoring the optical response of two-dimensional semiconductors. In this work, we show that monolayer MoS2 exhibits tunable excitonic emission, when nanoneedle-like oxide protrusions form across the monolayer surface during a photo-oxidation-assisted exfoliation process. These protrusions locally deform the lattice, generating spatially varying strain fields within the MoS2 layer. Photoluminescence and Raman measurements reveal a clear correlation between strained regions, exciton peak shifts, and enhanced emission, with the photoluminescence intensity increasing by approximately 3-fold, accompanied by a red shift of the in-plane (E2g1) vibrational mode, indicative of strain. Furthermore, selected monolayers and unexfoliated regions exhibit additional emergent near-infrared photoluminescence features absent in pristine MoS2. Unlike conventional strain-engineering approaches requiring external mechanical deformation, specialized substrate prepatterning, or complex heterostructures, this simple one-step process generates intrinsic nanoneedle-induced strain, providing an effective route for tailoring excitonic recombination and extending the optical response of monolayer TMDCs.",
  "abstract_shown": true,
  "affiliations": [
    "RMIT University , , , ,",
    "BITS-Pilani K. K. Birla Goa Campus , , , ,"
  ],
  "article_type": "research article",
  "arxiv": null,
  "author_total": 5,
  "authors": [
    {
      "affs": [
        0,
        1
      ],
      "name": "Rashed H. Lone",
      "orcid": "0000-0002-1452-8581"
    },
    {
      "affs": [
        1
      ],
      "name": "Shreya Gaonkar"
    },
    {
      "affs": [
        0
      ],
      "name": "Deepak Sharma",
      "orcid": "0000-0001-6631-4705"
    },
    {
      "affs": [
        0
      ],
      "name": "Shruti Nirantar",
      "orcid": "0000-0001-8504-3242"
    },
    {
      "affs": [
        1
      ],
      "name": "E. S. Kannan",
      "orcid": "0000-0002-1633-6591"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/1rx5zvb9z6kj6.bib",
  "cited_by": 0,
  "doi": "10.1021/acsomega.6c04805",
  "fulltext_url": "https://europepmc.org/articles/PMC13688502",
  "id": "1rx5zvb9z6kj6",
  "issns": [
    "2470-1343"
  ],
  "landing_url": "https://pubs.acs.org/acsodf/article/11/41/62866/5444081/Self-Assembled-Oxide-Nanoneedle-Induced-Strain-for",
  "language": "eng",
  "licence": "CC-BY-4.0",
  "licence_label": "CC BY 4.0",
  "licence_source": "article",
  "licence_url": "https://creativecommons.org/licenses/by/4.0/",
  "metadata_licence": null,
  "native_subjects": [
    [
      "openalex",
      "2505|2D Materials and Applications"
    ]
  ],
  "openalex": "W7216295768",
  "pdf_url": "https://pubs.acs.org/doi/pdf/10.1021/acsomega.6c04805",
  "pmcid": "PMC13688502",
  "pmid": "42924018",
  "published": "2026-10-02",
  "publisher": "American Chemical Society (ACS)",
  "ris": "https://research.draconitic.com/paper/1rx5zvb9z6kj6.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:18:39Z",
      "native_id": "10.1021/acsomega.6c04805",
      "source": "crossref",
      "url": "https://pubs.acs.org/acsodf/article/11/41/62866/5444081/Self-Assembled-Oxide-Nanoneedle-Induced-Strain-for"
    },
    {
      "first_seen": "2026-10-30T12:20:36Z",
      "native_id": "MED:42924018",
      "source": "europepmc",
      "url": "https://europepmc.org/article/MED/42924018"
    }
  ],
  "subjects": [
    {
      "field": "chemistry",
      "origin": "openalex:2505|2D Materials and Applications",
      "subfield": "materials-polymers"
    }
  ],
  "title": "Self-Assembled Oxide Nanoneedle-Induced Strain for Tunable Excitonic Emission in Monolayer MoS2",
  "title_text": "Self-Assembled Oxide Nanoneedle-Induced Strain for Tunable Excitonic Emission in Monolayer MoS2",
  "type": "peer-reviewed",
  "updated_at": "2026-10-30T12:20:36Z",
  "url": "https://research.draconitic.com/paper/1rx5zvb9z6kj6",
  "venue": "ACS Omega",
  "versions": []
}