{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,7]],"date-time":"2025-11-07T19:12:24Z","timestamp":1762542744780,"version":"build-2065373602"},"reference-count":27,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2017,10,19]],"date-time":"2017-10-19T00:00:00Z","timestamp":1508371200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Natural Science Foundation of Zhejiang Province, China Projects","award":["LY16E020008"],"award-info":[{"award-number":["LY16E020008"]}]},{"name":"Chinese NSF Projects","award":["61106100"],"award-info":[{"award-number":["61106100"]}]},{"DOI":"10.13039\/100000006","name":"ONR","doi-asserted-by":"publisher","award":["N000141310575"],"award-info":[{"award-number":["N000141310575"]}],"id":[{"id":"10.13039\/100000006","id-type":"DOI","asserted-by":"publisher"}]},{"name":"CRDF of the University of Pittsburgh"},{"name":"open access author fees fund of the University of Pittsburgh"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Nanomaterials"],"abstract":"<jats:p>Fluorescent organic dyes photobleach under intense light. Graphene has been shown to improve the photo-stability of organic dyes. In this paper, we investigated the Raman spectroscopy and photo-bleaching kinetics of dyes in the absence\/presence of chemical vapor deposition (CVD)-grown graphene. We show that graphene enhances the Raman signal of a wide range of dyes. The photo-bleaching of the dyes was reduced when the dyes were in contact with graphene. In contrast, monolayer hexagonal boron nitride (h-BN) was much less effective in reducing the photo-bleaching rate of the dyes. We attribute the suppression of photo-bleaching to the energy or electron transfer from dye to graphene. The results highlight the potential of CVD graphene as a substrate for protecting and enhancing Raman response of organic dyes.<\/jats:p>","DOI":"10.3390\/nano7100337","type":"journal-article","created":{"date-parts":[[2017,10,19]],"date-time":"2017-10-19T11:07:29Z","timestamp":1508411249000},"page":"337","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Raman Enhancement and Photo-Bleaching of Organic Dyes in the Presence of Chemical Vapor Deposition-Grown Graphene"],"prefix":"10.3390","volume":"7","author":[{"given":"Jiaxin","family":"Weng","sequence":"first","affiliation":[{"name":"College of Materials & Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China"}]},{"given":"Shichao","family":"Zhao","sequence":"additional","affiliation":[{"name":"College of Materials & Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China"},{"name":"Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania, PA 15260, USA"}]},{"given":"Zhiting","family":"Li","sequence":"additional","affiliation":[{"name":"Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania, PA 15260, USA"}]},{"given":"Karen","family":"Ricardo","sequence":"additional","affiliation":[{"name":"Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania, PA 15260, USA"}]},{"given":"Feng","family":"Zhou","sequence":"additional","affiliation":[{"name":"Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania, PA 15260, USA"}]},{"given":"Hyojeong","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania, PA 15260, USA"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3628-5688","authenticated-orcid":false,"given":"Haitao","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania, PA 15260, USA"}]}],"member":"1968","published-online":{"date-parts":[[2017,10,19]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"6426","DOI":"10.1021\/acs.chemmater.6b02925","article-title":"Graphene-based enhanced Raman scattering toward analytical applications","volume":"28","author":"Zhang","year":"2016","journal-title":"Chem. 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