{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T19:01:38Z","timestamp":1788289298027,"version":"build-2803163510"},"reference-count":68,"publisher":"Wiley","issue":"51","license":[{"start":{"date-parts":[[2025,11,11]],"date-time":"2025-11-11T00:00:00Z","timestamp":1762819200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"},{"start":{"date-parts":[[2025,11,11]],"date-time":"2025-11-11T00:00:00Z","timestamp":1762819200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Small"],"published-print":{"date-parts":[[2025,12]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    The inherent flexibility of individual layers in 2D materials enables them to be rolled up into tubular structures, thereby combining the properties of 1D and 2D materials and further expanding their range of applications. Even greater opportunities arise when two or more layers of different materials are combined, forming 1D tubular van der Waals heterostructures. Herein, the synthesis, structural characterization, and electronic properties of narrow 1D van der Waals heterostructures with internal diameters as low as \u22481\u00a0nm are reported. These are achieved by template\u2010assisted growth of highly crystalline, single\u2010layer lutetium halide (LuX\n                    <jats:sub>3<\/jats:sub>\n                    , X = Cl, Br, I) nanotubes confined within the cavities of single\u2010walled carbon nanotubes. Aberration\u2010corrected electron microscopy, along with image simulation, is employed to evaluate the role that the halide plays in the formation of such narrow heterostructures. The crystal structure of the employed halides is determined by means of synchrotron radiation, and density functional theory (DFT) calculations of the resulting metal halide nanotubes reveal a rich relationship between chirality and electronic\/optical properties. The observed spatial separation of band\u2010edge states can be important for photovoltaic applications, facilitating the separation of photogenerated electron\u2010hole pairs.\n                  <\/jats:p>","DOI":"10.1002\/smll.202505767","type":"journal-article","created":{"date-parts":[[2025,11,11]],"date-time":"2025-11-11T09:49:21Z","timestamp":1762854561000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Narrow\u2010Diameter Tubular One\u2010Dimensional van der Waals Heterostructures"],"prefix":"10.1002","volume":"21","author":[{"given":"Elzbieta","family":"Pach","sequence":"first","affiliation":[{"name":"Catalan Institute of Nanoscience and Nanotechnology (ICN2) CSIC and The Barcelona Institute of Science and Technology  Campus UAB Bellaterra Barcelona 08193 Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Magdalena","family":"Kierkowicz","sequence":"additional","affiliation":[{"name":"Institut de Ci\u00e8ncia de Materials de Barcelona ICMAB\u2010CSIC  Campus UAB Bellaterra 08193 Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mert","family":"Kurttepeli","sequence":"additional","affiliation":[{"name":"Electron Microscopy for Materials Research (EMAT) University of Antwerp  Groenenborgerlaan 171 Antwerp 2020 Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carlos","family":"Frontera","sequence":"additional","affiliation":[{"name":"Institut de Ci\u00e8ncia de Materials de Barcelona ICMAB\u2010CSIC  Campus UAB Bellaterra 08193 Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0009-8176-366X","authenticated-orcid":false,"given":"Costanza","family":"Borghesi","sequence":"additional","affiliation":[{"name":"Department of Civil and Environmental Engineering (DICA) University of Perugia  Via G. Duranti 93 Perugia 06125 Italy"},{"name":"Centro S3 CNR\u2010Istituto Nanoscienze  Via G. Campi 213\/a Modena 41125 Italy"},{"name":"CIRIAF \u2212 Interuniversity Research Centre University of Perugia  Via G. Duranti 93 Perugia 06125 Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4892-7908","authenticated-orcid":false,"given":"Giacomo","family":"Giorgi","sequence":"additional","affiliation":[{"name":"Department of Civil and Environmental Engineering (DICA) University of Perugia  Via G. Duranti 93 Perugia 06125 Italy"},{"name":"Centro S3 CNR\u2010Istituto Nanoscienze  Via G. Campi 213\/a Modena 41125 Italy"},{"name":"CIRIAF \u2212 Interuniversity Research Centre University of Perugia  Via G. Duranti 93 Perugia 06125 Italy"},{"name":"CNR\u2010SCITEC  Via Elce di Sotto, 8 Perugia I\u201006123 Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4086-4191","authenticated-orcid":false,"given":"Riccardo","family":"Rurali","sequence":"additional","affiliation":[{"name":"Institut de Ci\u00e8ncia de Materials de Barcelona ICMAB\u2010CSIC  Campus UAB Bellaterra 08193 Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4249-8017","authenticated-orcid":false,"given":"Sara","family":"Bals","sequence":"additional","affiliation":[{"name":"Electron Microscopy for Materials Research (EMAT) University of Antwerp  Groenenborgerlaan 171 Antwerp 2020 Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gustaaf","family":"Van Tendeloo","sequence":"additional","affiliation":[{"name":"Electron Microscopy for Materials Research (EMAT) University of Antwerp  Groenenborgerlaan 171 Antwerp 2020 Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7116-2152","authenticated-orcid":false,"given":"Gerard","family":"Tob\u00edas\u2010Rossell","sequence":"additional","affiliation":[{"name":"Institut de Ci\u00e8ncia de Materials de Barcelona ICMAB\u2010CSIC  Campus UAB Bellaterra 08193 Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bel\u00e9n","family":"Ballesteros","sequence":"additional","affiliation":[{"name":"Catalan Institute of Nanoscience and Nanotechnology (ICN2) CSIC and The Barcelona Institute of Science and Technology  Campus UAB Bellaterra Barcelona 08193 Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2025,11,11]]},"reference":[{"key":"e_1_2_8_1_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.chemrev.4c00631"},{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1021\/acsnano.4c14733"},{"key":"e_1_2_8_3_1","first-page":"41","volume":"50","author":"Zulfiqar M. 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