Fluorescent carbon nanoparticles from Citrus sinensis as efficient sorbents for pollutant dyes.
Identifieur interne : 000053 ( PubMed/Checkpoint ); précédent : 000052; suivant : 000054Fluorescent carbon nanoparticles from Citrus sinensis as efficient sorbents for pollutant dyes.
Auteurs : Oluwaseun Adedokun [Inde] ; Anurag Roy [Inde] ; Ayodeji O. Awodugba [Nigeria] ; P Sujatha Devi [Inde]Source :
- Luminescence : the journal of biological and chemical luminescence [ 1522-7243 ] ; 2016.
Abstract
Here, we report a simple, green and economic process for the synthesis of highly fluorescent carbon nanoparticles (CPs) through low-temperature carbonization of a fruit waste, Citrus sinensis peel. This approach allows the large-scale production of aqueous CPs dispersions without any additives and post-treatment processes. The as-prepared CPs were of small particle size, exhibited bright blue fluorescence under UV irradiation (λmax = 365 nm) with excellent colloidal stability in water. The chemical composition, structure and morphology of the as-prepared CPs were analyzed using various spectroscopic techniques such as X-ray diffraction, transmission electron microscopy and raman spectroscopy. The formed CPs were turbostratic in nature, with a large number of functional groups on the surface. We explored the adsorption characteristics of the formed CPs for wastewater treatment. Because of the negative surface of the CPs, as evident from the zeta value, it is possible to use them for selective adsorption of the cationic dye methylene blue from a mixture of dyes. The equilibrium adsorption isotherm revealed that the Langmuir model better describes the adsorption process than the Freundlich model. As-prepared CPs rapidly adsorbed ~84% of the methylene blue within 1 min and can be regenerated and used repeatedly. Copyright © 2016 John Wiley & Sons, Ltd.
DOI: 10.1002/bio.3149
PubMed: 27321808
Affiliations:
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Awodugba</name><affiliation wicri:level="1"><nlm:affiliation>Department of Pure and Applied Physics, Ladoke Akintola University of Technology, P.M.B, 4000, Ogbomoso, Nigeria.</nlm:affiliation><country xml:lang="fr">Nigeria</country><wicri:regionArea>Department of Pure and Applied Physics, Ladoke Akintola University of Technology, P.M.B, 4000, Ogbomoso</wicri:regionArea><wicri:noRegion>Ogbomoso</wicri:noRegion></affiliation></author><author><name sortKey="Devi, P Sujatha" sort="Devi, P Sujatha" uniqKey="Devi P" first="P Sujatha" last="Devi">P Sujatha Devi</name><affiliation wicri:level="1"><nlm:affiliation>Sensor and Actuator Division, CSIR-Central Glass and Ceramic Research Institute, 196, Raja SC Mullick Road, Jadavpur, Kolkata, 700 032, India.</nlm:affiliation><country xml:lang="fr">Inde</country><wicri:regionArea>Sensor and Actuator Division, CSIR-Central Glass and Ceramic Research Institute, 196, Raja SC Mullick Road, Jadavpur, Kolkata, 700 032</wicri:regionArea><wicri:noRegion>700 032</wicri:noRegion></affiliation></author></analytic><series><title level="j">Luminescence : the journal of biological and chemical luminescence</title><idno type="eISSN">1522-7243</idno><imprint><date when="2016" type="published">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Here, we report a simple, green and economic process for the synthesis of highly fluorescent carbon nanoparticles (CPs) through low-temperature carbonization of a fruit waste, Citrus sinensis peel. This approach allows the large-scale production of aqueous CPs dispersions without any additives and post-treatment processes. The as-prepared CPs were of small particle size, exhibited bright blue fluorescence under UV irradiation (λmax = 365 nm) with excellent colloidal stability in water. The chemical composition, structure and morphology of the as-prepared CPs were analyzed using various spectroscopic techniques such as X-ray diffraction, transmission electron microscopy and raman spectroscopy. The formed CPs were turbostratic in nature, with a large number of functional groups on the surface. We explored the adsorption characteristics of the formed CPs for wastewater treatment. Because of the negative surface of the CPs, as evident from the zeta value, it is possible to use them for selective adsorption of the cationic dye methylene blue from a mixture of dyes. The equilibrium adsorption isotherm revealed that the Langmuir model better describes the adsorption process than the Freundlich model. As-prepared CPs rapidly adsorbed ~84% of the methylene blue within 1 min and can be regenerated and used repeatedly. Copyright © 2016 John Wiley & Sons, Ltd.</div></front></TEI><pubmed><MedlineCitation Status="Publisher" Owner="NLM"><PMID Version="1">27321808</PMID><DateCreated><Year>2016</Year><Month>6</Month><Day>20</Day></DateCreated><DateRevised><Year>2016</Year><Month>6</Month><Day>20</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1522-7243</ISSN><JournalIssue CitedMedium="Internet"><PubDate><Year>2016</Year><Month>Jun</Month><Day>20</Day></PubDate></JournalIssue><Title>Luminescence : the journal of biological and chemical luminescence</Title><ISOAbbreviation>Luminescence</ISOAbbreviation></Journal><ArticleTitle>Fluorescent carbon nanoparticles from Citrus sinensis as efficient sorbents for pollutant dyes.</ArticleTitle><ELocationID EIdType="doi" ValidYN="Y">10.1002/bio.3149</ELocationID><Abstract><AbstractText NlmCategory="UNASSIGNED">Here, we report a simple, green and economic process for the synthesis of highly fluorescent carbon nanoparticles (CPs) through low-temperature carbonization of a fruit waste, Citrus sinensis peel. This approach allows the large-scale production of aqueous CPs dispersions without any additives and post-treatment processes. The as-prepared CPs were of small particle size, exhibited bright blue fluorescence under UV irradiation (λmax = 365 nm) with excellent colloidal stability in water. The chemical composition, structure and morphology of the as-prepared CPs were analyzed using various spectroscopic techniques such as X-ray diffraction, transmission electron microscopy and raman spectroscopy. The formed CPs were turbostratic in nature, with a large number of functional groups on the surface. We explored the adsorption characteristics of the formed CPs for wastewater treatment. Because of the negative surface of the CPs, as evident from the zeta value, it is possible to use them for selective adsorption of the cationic dye methylene blue from a mixture of dyes. The equilibrium adsorption isotherm revealed that the Langmuir model better describes the adsorption process than the Freundlich model. As-prepared CPs rapidly adsorbed ~84% of the methylene blue within 1 min and can be regenerated and used repeatedly. Copyright © 2016 John Wiley & Sons, Ltd.</AbstractText><CopyrightInformation>Copyright © 2016 John Wiley & Sons, Ltd.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Adedokun</LastName><ForeName>Oluwaseun</ForeName><Initials>O</Initials><AffiliationInfo><Affiliation>Sensor and Actuator Division, CSIR-Central Glass and Ceramic Research Institute, 196, Raja SC Mullick Road, Jadavpur, Kolkata, 700 032, India.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Department of Pure and Applied Physics, Ladoke Akintola University of Technology, P.M.B, 4000, Ogbomoso, Nigeria.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Roy</LastName><ForeName>Anurag</ForeName><Initials>A</Initials><AffiliationInfo><Affiliation>Sensor and Actuator Division, CSIR-Central Glass and Ceramic Research Institute, 196, Raja SC Mullick Road, Jadavpur, Kolkata, 700 032, India.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Awodugba</LastName><ForeName>Ayodeji O</ForeName><Initials>AO</Initials><AffiliationInfo><Affiliation>Department of Pure and Applied Physics, Ladoke Akintola University of Technology, P.M.B, 4000, Ogbomoso, Nigeria.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Devi</LastName><ForeName>P Sujatha</ForeName><Initials>PS</Initials><AffiliationInfo><Affiliation>Sensor and Actuator Division, CSIR-Central Glass and Ceramic Research Institute, 196, Raja SC Mullick Road, Jadavpur, Kolkata, 700 032, India.</Affiliation></AffiliationInfo></Author></AuthorList><Language>ENG</Language><PublicationTypeList><PublicationType UI="">JOURNAL ARTICLE</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2016</Year><Month>Jun</Month><Day>20</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Luminescence</MedlineTA><NlmUniqueID>100889025</NlmUniqueID><ISSNLinking>1522-7235</ISSNLinking></MedlineJournalInfo><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Citrus sinensis</Keyword><Keyword MajorTopicYN="N">adsorption efficiency</Keyword><Keyword MajorTopicYN="N">cationic dye</Keyword><Keyword MajorTopicYN="N">selective adsorption</Keyword><Keyword MajorTopicYN="N">turbostratic carbon</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2016</Year><Month>1</Month><Day>17</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2016</Year><Month>3</Month><Day>25</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2016</Year><Month>3</Month><Day>26</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2016</Year><Month>6</Month><Day>21</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2016</Year><Month>6</Month><Day>21</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2016</Year><Month>6</Month><Day>21</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>aheadofprint</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">27321808</ArticleId><ArticleId IdType="doi">10.1002/bio.3149</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Inde</li><li>Nigeria</li></country></list><tree><country name="Inde"><noRegion><name sortKey="Adedokun, Oluwaseun" sort="Adedokun, Oluwaseun" uniqKey="Adedokun O" first="Oluwaseun" last="Adedokun">Oluwaseun Adedokun</name></noRegion><name sortKey="Devi, P Sujatha" sort="Devi, P Sujatha" uniqKey="Devi P" first="P Sujatha" last="Devi">P Sujatha Devi</name><name sortKey="Roy, Anurag" sort="Roy, Anurag" uniqKey="Roy A" first="Anurag" last="Roy">Anurag Roy</name></country><country name="Nigeria"><noRegion><name sortKey="Awodugba, Ayodeji O" sort="Awodugba, Ayodeji O" uniqKey="Awodugba A" first="Ayodeji O" last="Awodugba">Ayodeji O. 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