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One way of making such structures is encapsulating them inside single\u2010walled carbon nanotubes. Despite the versatility of Raman spectroscopy to resolve strong spectral signals of these systems, discerning the response of long nanoribbons from that of any residual precursor remaining outside after synthesis has been so far elusive. Here, the terrylene dye is used as precursor to make long and ultra\u2010narrow armchair\u2010edged GNR inside nanotubes. The alignment and characteristic length of terrylene encapsulated parallel to the tube's axis facilitates the ribbon formation via polymerization, with high stability up to 750\u00a0\u00b0C when the hybrid system is kept in high vacuum. A high temperature annealing is used to remove the terrylene external molecules and a subtraction model based on the determination of a scaling factor related to the G\u2010band response of the system is developed. This not only represents a critical step forward toward the analysis of the nanoribbon\u2010nanotube system, but it is a study that enables unraveling the Raman signatures of the individual CH\u2010modes (the signature of edge passivation) for GNR for the first time with unprecedented\u00a0detail.<\/jats:p>","DOI":"10.1002\/smtd.202200110","type":"journal-article","created":{"date-parts":[[2022,6,23]],"date-time":"2022-06-23T03:10:22Z","timestamp":1655953822000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Unravelling the Complete Raman Response of Graphene Nanoribbons Discerning the Signature of Edge Passivation"],"prefix":"10.1002","volume":"6","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4732-1226","authenticated-orcid":false,"given":"Valeria","family":"Milotti","sequence":"first","affiliation":[{"name":"Faculty of Physics University of Vienna 1090 Vienna Austria"}]},{"given":"Claudia","family":"Berkmann","sequence":"additional","affiliation":[{"name":"Faculty of Physics University of Vienna 1090 Vienna Austria"}]},{"given":"Jorge","family":"Laranjeira","sequence":"additional","affiliation":[{"name":"CICECO \u2010 Aveiro Institute of Materials Department of Physics University of Aveiro 3810\u2010193 Aveiro Portugal"}]},{"given":"Weili","family":"Cui","sequence":"additional","affiliation":[{"name":"Faculty of Physics University of Vienna 1090 Vienna Austria"}]},{"given":"Kecheng","family":"Cao","sequence":"additional","affiliation":[{"name":"School of Physical Science and Technology ShanghaiTech University Shanghai 201210 China"}]},{"given":"Yifan","family":"Zhang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Optoelectronic Materials and Technologies Nanotechnology Research Center Guangzhou Key Laboratory of Flexible Electronic Materials and Wearable Devices School of Materials Science and Engineering Sun Yat\u2010sen University Guangzhou 510275 China"},{"name":"School of Engineering Huzhou University Huzhou Zhejiang 313000 P. 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