Photoluminescence-Tunable Carbon Nanodots: Surface-State Energy-Gap Tuning
The photoluminescence of carbon nanodots (C‐dots) can be tuned by changing their surface chemistry or size because the photoluminescence is a function of the surface‐state electronic transitions. Increasing the degree of surface oxidation leads to a narrowing of the energy gap of the surface; meanwh...
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| Veröffentlicht in: | Advanced materials (Weinheim) 2015-03, Vol.27 (10), p.1663-1667 |
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| creator | Bao, Lei Liu, Cui Zhang, Zhi-Ling Pang, Dai-Wen |
| description | The photoluminescence of carbon nanodots (C‐dots) can be tuned by changing their surface chemistry or size because the photoluminescence is a function of the surface‐state electronic transitions. Increasing the degree of surface oxidation leads to a narrowing of the energy gap of the surface; meanwhile, larger C‐dots with an extensive π‐electron system, which can couple with surface electronic states, can also lead to a narrowing of the energy gap of the surface states. |
| doi_str_mv | 10.1002/adma.201405070 |
| format | Article |
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KGaA, Weinheim</rights><rights>2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.</rights><rights>Copyright © 2015 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c5140-a62e9e804e3879d571800c0062e6060ccb44c153b29142fe689a7d2f946fbab03</citedby><cites>FETCH-LOGICAL-c5140-a62e9e804e3879d571800c0062e6060ccb44c153b29142fe689a7d2f946fbab03</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fadma.201405070$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fadma.201405070$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/25589141$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Bao, Lei</creatorcontrib><creatorcontrib>Liu, Cui</creatorcontrib><creatorcontrib>Zhang, Zhi-Ling</creatorcontrib><creatorcontrib>Pang, Dai-Wen</creatorcontrib><title>Photoluminescence-Tunable Carbon Nanodots: Surface-State Energy-Gap Tuning</title><title>Advanced materials (Weinheim)</title><addtitle>Adv. Mater</addtitle><description>The photoluminescence of carbon nanodots (C‐dots) can be tuned by changing their surface chemistry or size because the photoluminescence is a function of the surface‐state electronic transitions. Increasing the degree of surface oxidation leads to a narrowing of the energy gap of the surface; meanwhile, larger C‐dots with an extensive π‐electron system, which can couple with surface electronic states, can also lead to a narrowing of the energy gap of the surface states.</description><subject>Animals</subject><subject>bio-imaging</subject><subject>Carbon</subject><subject>Carbon - chemistry</subject><subject>Catheter Ablation</subject><subject>Cercopithecus aethiops</subject><subject>Electron states</subject><subject>Electron transitions</subject><subject>Electronics</subject><subject>Energy gap</subject><subject>fluorescence</subject><subject>Joining</subject><subject>Luminescence</subject><subject>Materials science</subject><subject>mechanisms</subject><subject>Microscopy, Electron, Transmission</subject><subject>nanoparticles</subject><subject>Nanoparticles - chemistry</subject><subject>Nanostructure</subject><subject>Nitric Acid - chemistry</subject><subject>Oxidation</subject><subject>Oxidation-Reduction</subject><subject>Photoluminescence</subject><subject>Quantum Dots - chemistry</subject><subject>Spectrum Analysis</subject><subject>Surface chemistry</subject><subject>Surface Properties</subject><subject>Tuning</subject><subject>Vero Cells</subject><subject>X-Ray Diffraction</subject><issn>0935-9648</issn><issn>1521-4095</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkc1P20AQxVdVEYSPa4-VpV64OMx-e3uLUghFgYJC1eNqba-pqb2b7tpq8993USCquLSnkUa_9_RmHkLvMEwxADkzdW-mBDADDhLeoAnmBOcMFH-LJqAoz5VgxQE6jPERAJQAsY8OCOeFwgxP0NXtdz_4buxbZ2NlXWXz-9GZsrPZ3ITSu-zGOF_7IX7MVmNoTAJWgxlsdu5seNjkC7POkqJ1D8dorzFdtCfP8wh9vTi_n1_myy-Lz_PZMq94ipkbQayyBTBLC6lqLnEBUAGkdQoHVVUyVmFOS5ISksaKQhlZk0Yx0ZSmBHqETre-6-B_jjYOum9T9K4zzvoxaiykVBRwgf8DFYSRglGa0A-v0Ec_BpcO0URizhVL_07UdEtVwccYbKPXoe1N2GgM-qkQ_VSI3hWSBO-fbceyt_UOf2kgAWoL_Go7u_mHnZ59up79bZ5vtW0c7O-d1oQfWkgquf52s9BLfnexWshbfUn_AIyxo6U</recordid><startdate>20150301</startdate><enddate>20150301</enddate><creator>Bao, Lei</creator><creator>Liu, Cui</creator><creator>Zhang, Zhi-Ling</creator><creator>Pang, Dai-Wen</creator><general>Blackwell Publishing Ltd</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>7X8</scope></search><sort><creationdate>20150301</creationdate><title>Photoluminescence-Tunable Carbon Nanodots: Surface-State Energy-Gap Tuning</title><author>Bao, Lei ; 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| source | MEDLINE; Wiley Online Library Journals Frontfile Complete |
| subjects | Animals bio-imaging Carbon Carbon - chemistry Catheter Ablation Cercopithecus aethiops Electron states Electron transitions Electronics Energy gap fluorescence Joining Luminescence Materials science mechanisms Microscopy, Electron, Transmission nanoparticles Nanoparticles - chemistry Nanostructure Nitric Acid - chemistry Oxidation Oxidation-Reduction Photoluminescence Quantum Dots - chemistry Spectrum Analysis Surface chemistry Surface Properties Tuning Vero Cells X-Ray Diffraction |
| title | Photoluminescence-Tunable Carbon Nanodots: Surface-State Energy-Gap Tuning |
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