Preparation of Carbon Dots from PET Waste by One-step Hydrothermal Method and its Application in Light Blocking Films and LEDs
An environmentally friendly PET-based Carbon Dots (PET-CDs) with excellent fluorescence properties were prepared with waste PET bottle, pyromellitic acid and ammonia water as raw materials by one-step hydrothermal method. The preparation mechanism of PET-CDs was as follows: PET first underwent ammon...
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| Veröffentlicht in: | Journal of fluorescence 2023-07, Vol.33 (4), p.1305-1315 |
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| creator | Wang, Rui Li, Shumiao Huang, Hanjiang Liu, Botong Gao, Lu Qu, Meiru Wei, Yanying Wei, Jianfei |
| description | An environmentally friendly PET-based Carbon Dots (PET-CDs) with excellent fluorescence properties were prepared with waste PET bottle, pyromellitic acid and ammonia water as raw materials by one-step hydrothermal method. The preparation mechanism of PET-CDs was as follows: PET first underwent ammonolysis reaction to produce terephthalic acid diamide and ethylene glycol, and then dehydrated and carbonized with pyromellitic acid to form PET-CDs. The as-prepared PET-CDs exhibit excitation-independent emission properties in the range from 340 to 440 nm, and the fluorescence quantum yield is as high as 87.36%. In terms of structure, PET-CDs is a spherical structure with an average particle size of 2.0 nm, and its surface contains carboxyl and amino groups. The PET-CDs were dispersed in a PVA matrix to obtain an light blocking films(LBFs) for 250–450 nm light with excellent properties, and its transparency for 450–700 nm light is good. In addition, PET-CDs was used in the fields of LED, and it was found that the color coordinate for the LED assembled with PET-CDs and 395 nm LED chips is (0.55, 0.44) and the correlated color temperature is 2018 K. |
| doi_str_mv | 10.1007/s10895-022-03132-9 |
| format | Article |
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The preparation mechanism of PET-CDs was as follows: PET first underwent ammonolysis reaction to produce terephthalic acid diamide and ethylene glycol, and then dehydrated and carbonized with pyromellitic acid to form PET-CDs. The as-prepared PET-CDs exhibit excitation-independent emission properties in the range from 340 to 440 nm, and the fluorescence quantum yield is as high as 87.36%. In terms of structure, PET-CDs is a spherical structure with an average particle size of 2.0 nm, and its surface contains carboxyl and amino groups. The PET-CDs were dispersed in a PVA matrix to obtain an light blocking films(LBFs) for 250–450 nm light with excellent properties, and its transparency for 450–700 nm light is good. In addition, PET-CDs was used in the fields of LED, and it was found that the color coordinate for the LED assembled with PET-CDs and 395 nm LED chips is (0.55, 0.44) and the correlated color temperature is 2018 K.</description><identifier>ISSN: 1053-0509</identifier><identifier>EISSN: 1573-4994</identifier><identifier>DOI: 10.1007/s10895-022-03132-9</identifier><identifier>PMID: 36637778</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Ammonia ; Ammonolysis ; Analytical Chemistry ; Biochemistry ; Biological and Medical Physics ; Biomedical and Life Sciences ; Biomedicine ; Biophysics ; Biotechnology ; Carbon dots ; Color temperature ; Dehydration ; Ethylene glycol ; Fluorescence ; Polyethylene terephthalate ; Raw materials ; Terephthalic acid</subject><ispartof>Journal of fluorescence, 2023-07, Vol.33 (4), p.1305-1315</ispartof><rights>The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</rights><rights>2023. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c375t-eda0ce3c83061fc72766f9857fe4c9a77571dfe16f0b9c3cbe1ce51b89d8760a3</citedby><cites>FETCH-LOGICAL-c375t-eda0ce3c83061fc72766f9857fe4c9a77571dfe16f0b9c3cbe1ce51b89d8760a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10895-022-03132-9$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10895-022-03132-9$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27922,27923,41486,42555,51317</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/36637778$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Wang, Rui</creatorcontrib><creatorcontrib>Li, Shumiao</creatorcontrib><creatorcontrib>Huang, Hanjiang</creatorcontrib><creatorcontrib>Liu, Botong</creatorcontrib><creatorcontrib>Gao, Lu</creatorcontrib><creatorcontrib>Qu, Meiru</creatorcontrib><creatorcontrib>Wei, Yanying</creatorcontrib><creatorcontrib>Wei, Jianfei</creatorcontrib><title>Preparation of Carbon Dots from PET Waste by One-step Hydrothermal Method and its Application in Light Blocking Films and LEDs</title><title>Journal of fluorescence</title><addtitle>J Fluoresc</addtitle><addtitle>J Fluoresc</addtitle><description>An environmentally friendly PET-based Carbon Dots (PET-CDs) with excellent fluorescence properties were prepared with waste PET bottle, pyromellitic acid and ammonia water as raw materials by one-step hydrothermal method. The preparation mechanism of PET-CDs was as follows: PET first underwent ammonolysis reaction to produce terephthalic acid diamide and ethylene glycol, and then dehydrated and carbonized with pyromellitic acid to form PET-CDs. The as-prepared PET-CDs exhibit excitation-independent emission properties in the range from 340 to 440 nm, and the fluorescence quantum yield is as high as 87.36%. In terms of structure, PET-CDs is a spherical structure with an average particle size of 2.0 nm, and its surface contains carboxyl and amino groups. The PET-CDs were dispersed in a PVA matrix to obtain an light blocking films(LBFs) for 250–450 nm light with excellent properties, and its transparency for 450–700 nm light is good. In addition, PET-CDs was used in the fields of LED, and it was found that the color coordinate for the LED assembled with PET-CDs and 395 nm LED chips is (0.55, 0.44) and the correlated color temperature is 2018 K.</description><subject>Ammonia</subject><subject>Ammonolysis</subject><subject>Analytical Chemistry</subject><subject>Biochemistry</subject><subject>Biological and Medical Physics</subject><subject>Biomedical and Life Sciences</subject><subject>Biomedicine</subject><subject>Biophysics</subject><subject>Biotechnology</subject><subject>Carbon dots</subject><subject>Color temperature</subject><subject>Dehydration</subject><subject>Ethylene glycol</subject><subject>Fluorescence</subject><subject>Polyethylene terephthalate</subject><subject>Raw materials</subject><subject>Terephthalic acid</subject><issn>1053-0509</issn><issn>1573-4994</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNp9kUFvFCEYhomxsbX1D3gwJF68oB_DMMCxbrfWZJv2UOORMAzsUmeGEWYPe_G3SztVEw898SY87wPJi9BbCh8pgPiUKUjFCVQVAUZZRdQLdEK5YKRWqn5ZMnBGgIM6Rq9zvgcAJWv5Ch2zpmFCCHmCft0mN5lk5hBHHD1emdSWdBHnjH2KA75d3-HvJs8Otwd8MzpS4oSvDl2K886lwfT42s272GEzdjiU2vk09cEuxjDiTdjuZvy5j_ZHGLf4MvRDfmQ364t8ho686bN783Seom-X67vVFdncfPm6Ot8QywSfiesMWMesZNBQb0UlmsYryYV3tVVGCC5o5x1tPLTKMts6ah2nrVSdFA0Ydoo-LN4pxZ97l2c9hGxd35vRxX3WRciLpZZ1Qd__h97HfRrL73Qla2hqAVwVqloom2LOyXk9pTCYdNAU9MM6ellHl3X04zr6ofTuSb1vB9f9rfyZowBsAXK5Grcu_Xv7Ge1vK42aJg</recordid><startdate>20230701</startdate><enddate>20230701</enddate><creator>Wang, Rui</creator><creator>Li, Shumiao</creator><creator>Huang, Hanjiang</creator><creator>Liu, Botong</creator><creator>Gao, Lu</creator><creator>Qu, Meiru</creator><creator>Wei, Yanying</creator><creator>Wei, Jianfei</creator><general>Springer US</general><general>Springer Nature B.V</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20230701</creationdate><title>Preparation of Carbon Dots from PET Waste by One-step Hydrothermal Method and its Application in Light Blocking Films and LEDs</title><author>Wang, Rui ; Li, Shumiao ; Huang, Hanjiang ; Liu, Botong ; Gao, Lu ; Qu, Meiru ; Wei, Yanying ; Wei, Jianfei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c375t-eda0ce3c83061fc72766f9857fe4c9a77571dfe16f0b9c3cbe1ce51b89d8760a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Ammonia</topic><topic>Ammonolysis</topic><topic>Analytical Chemistry</topic><topic>Biochemistry</topic><topic>Biological and Medical Physics</topic><topic>Biomedical and Life Sciences</topic><topic>Biomedicine</topic><topic>Biophysics</topic><topic>Biotechnology</topic><topic>Carbon dots</topic><topic>Color temperature</topic><topic>Dehydration</topic><topic>Ethylene glycol</topic><topic>Fluorescence</topic><topic>Polyethylene terephthalate</topic><topic>Raw materials</topic><topic>Terephthalic acid</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Rui</creatorcontrib><creatorcontrib>Li, Shumiao</creatorcontrib><creatorcontrib>Huang, Hanjiang</creatorcontrib><creatorcontrib>Liu, Botong</creatorcontrib><creatorcontrib>Gao, Lu</creatorcontrib><creatorcontrib>Qu, Meiru</creatorcontrib><creatorcontrib>Wei, Yanying</creatorcontrib><creatorcontrib>Wei, Jianfei</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of fluorescence</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, Rui</au><au>Li, Shumiao</au><au>Huang, Hanjiang</au><au>Liu, Botong</au><au>Gao, Lu</au><au>Qu, Meiru</au><au>Wei, Yanying</au><au>Wei, Jianfei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Preparation of Carbon Dots from PET Waste by One-step Hydrothermal Method and its Application in Light Blocking Films and LEDs</atitle><jtitle>Journal of fluorescence</jtitle><stitle>J Fluoresc</stitle><addtitle>J Fluoresc</addtitle><date>2023-07-01</date><risdate>2023</risdate><volume>33</volume><issue>4</issue><spage>1305</spage><epage>1315</epage><pages>1305-1315</pages><issn>1053-0509</issn><eissn>1573-4994</eissn><abstract>An environmentally friendly PET-based Carbon Dots (PET-CDs) with excellent fluorescence properties were prepared with waste PET bottle, pyromellitic acid and ammonia water as raw materials by one-step hydrothermal method. The preparation mechanism of PET-CDs was as follows: PET first underwent ammonolysis reaction to produce terephthalic acid diamide and ethylene glycol, and then dehydrated and carbonized with pyromellitic acid to form PET-CDs. The as-prepared PET-CDs exhibit excitation-independent emission properties in the range from 340 to 440 nm, and the fluorescence quantum yield is as high as 87.36%. In terms of structure, PET-CDs is a spherical structure with an average particle size of 2.0 nm, and its surface contains carboxyl and amino groups. The PET-CDs were dispersed in a PVA matrix to obtain an light blocking films(LBFs) for 250–450 nm light with excellent properties, and its transparency for 450–700 nm light is good. In addition, PET-CDs was used in the fields of LED, and it was found that the color coordinate for the LED assembled with PET-CDs and 395 nm LED chips is (0.55, 0.44) and the correlated color temperature is 2018 K.</abstract><cop>New York</cop><pub>Springer US</pub><pmid>36637778</pmid><doi>10.1007/s10895-022-03132-9</doi><tpages>11</tpages></addata></record> |
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| subjects | Ammonia Ammonolysis Analytical Chemistry Biochemistry Biological and Medical Physics Biomedical and Life Sciences Biomedicine Biophysics Biotechnology Carbon dots Color temperature Dehydration Ethylene glycol Fluorescence Polyethylene terephthalate Raw materials Terephthalic acid |
| title | Preparation of Carbon Dots from PET Waste by One-step Hydrothermal Method and its Application in Light Blocking Films and LEDs |
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