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Fluorescent carbon quantum dots, capacitance and catalysis active porous carbon microspheres from beer
Fluorescent nitrogen containing carbon quantum dots (NCQDs) and porous carbon microspheres (PCMs) were simultaneously synthesized by a facile hydrothermal method using beer as precursor. The afforded NCQDs in supernatant exhibited strong blue fluorescence in aqueous solution and dry state under UV l...
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| Published in: | RSC advances 2015-01, Vol.5 (60), p.48665-48674 |
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| Main Authors: | , , , , , , , , |
| Format: | Article |
| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-c264t-bc6b333afb38e6a1c73944d55aa1d0b8534db02b53d459ce67861d61acf273e23 |
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| cites | cdi_FETCH-LOGICAL-c264t-bc6b333afb38e6a1c73944d55aa1d0b8534db02b53d459ce67861d61acf273e23 |
| container_end_page | 48674 |
| container_issue | 60 |
| container_start_page | 48665 |
| container_title | RSC advances |
| container_volume | 5 |
| creator | Gao, Zhiyong Wang, Xiaorui Chang, Jiuli Wu, Dapeng Wang, Lan Liu, Xiao Xu, Fang Guo, Yuming Jiang, Kai |
| description | Fluorescent nitrogen containing carbon quantum dots (NCQDs) and porous carbon microspheres (PCMs) were simultaneously synthesized by a facile hydrothermal method using beer as precursor. The afforded NCQDs in supernatant exhibited strong blue fluorescence in aqueous solution and dry state under UV light excitation, showing the huge potential as fluorescent dye. The PCMs in sediment showed great potential in supercapacitor electrode and catalyst for certain reaction. After ZnCl
2
activation at 900 °C, the obtained highly porous a-PCM
900
(denoted according to activation temperature) offered a high specific capacitance of 273.2 F g
−1
at 1 A g
−1
, excellent rate capability and cycling stability when employed as supercapacitor electrode. Moreover, a-PCM
900
could also serve as efficient non-noble metal catalyst for reduction conversion of 4-nitrophenol to 4-aminophenol by NaBH
4
with high activity and well reusability. |
| doi_str_mv | 10.1039/C5RA05365J |
| format | article |
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2
activation at 900 °C, the obtained highly porous a-PCM
900
(denoted according to activation temperature) offered a high specific capacitance of 273.2 F g
−1
at 1 A g
−1
, excellent rate capability and cycling stability when employed as supercapacitor electrode. Moreover, a-PCM
900
could also serve as efficient non-noble metal catalyst for reduction conversion of 4-nitrophenol to 4-aminophenol by NaBH
4
with high activity and well reusability.</description><identifier>ISSN: 2046-2069</identifier><identifier>EISSN: 2046-2069</identifier><identifier>DOI: 10.1039/C5RA05365J</identifier><language>eng</language><subject>Activation ; Capacitance ; Carbon ; Catalysts ; Electrodes ; Fluorescence ; Microspheres ; Quantum dots</subject><ispartof>RSC advances, 2015-01, Vol.5 (60), p.48665-48674</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c264t-bc6b333afb38e6a1c73944d55aa1d0b8534db02b53d459ce67861d61acf273e23</citedby><cites>FETCH-LOGICAL-c264t-bc6b333afb38e6a1c73944d55aa1d0b8534db02b53d459ce67861d61acf273e23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27900,27901</link.rule.ids></links><search><creatorcontrib>Gao, Zhiyong</creatorcontrib><creatorcontrib>Wang, Xiaorui</creatorcontrib><creatorcontrib>Chang, Jiuli</creatorcontrib><creatorcontrib>Wu, Dapeng</creatorcontrib><creatorcontrib>Wang, Lan</creatorcontrib><creatorcontrib>Liu, Xiao</creatorcontrib><creatorcontrib>Xu, Fang</creatorcontrib><creatorcontrib>Guo, Yuming</creatorcontrib><creatorcontrib>Jiang, Kai</creatorcontrib><title>Fluorescent carbon quantum dots, capacitance and catalysis active porous carbon microspheres from beer</title><title>RSC advances</title><description>Fluorescent nitrogen containing carbon quantum dots (NCQDs) and porous carbon microspheres (PCMs) were simultaneously synthesized by a facile hydrothermal method using beer as precursor. The afforded NCQDs in supernatant exhibited strong blue fluorescence in aqueous solution and dry state under UV light excitation, showing the huge potential as fluorescent dye. The PCMs in sediment showed great potential in supercapacitor electrode and catalyst for certain reaction. After ZnCl
2
activation at 900 °C, the obtained highly porous a-PCM
900
(denoted according to activation temperature) offered a high specific capacitance of 273.2 F g
−1
at 1 A g
−1
, excellent rate capability and cycling stability when employed as supercapacitor electrode. Moreover, a-PCM
900
could also serve as efficient non-noble metal catalyst for reduction conversion of 4-nitrophenol to 4-aminophenol by NaBH
4
with high activity and well reusability.</description><subject>Activation</subject><subject>Capacitance</subject><subject>Carbon</subject><subject>Catalysts</subject><subject>Electrodes</subject><subject>Fluorescence</subject><subject>Microspheres</subject><subject>Quantum dots</subject><issn>2046-2069</issn><issn>2046-2069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNpNUE1LxDAQDaLgsu7FX5CjiNV8NNn2uCyuHywIoucySadYaZtukgr7782yis5l5g1vHm8eIZec3XImy7u1el0xJbV6PiEzwXKdCabL03_zOVmE8MlSacWF5jPSbLrJeQwWh0gteOMGuptgiFNPaxfDTVqOYNsIg0UKQ51whG4f2kDBxvYL6ei8m8Lvcd9a78L4gUmUNt711CD6C3LWQBdw8dPn5H1z_7Z-zLYvD0_r1TazQucxM1YbKSU0RhaogdulLPO8VgqA18wUSua1YcIoWeeqtKiXhea15mAbsZQo5JxcHXVH73YThlj1bfqt62DAZLLihUoBCc1Yol4fqQe_wWNTjb7twe8rzqpDntVfnvIbgeJpNw</recordid><startdate>20150101</startdate><enddate>20150101</enddate><creator>Gao, Zhiyong</creator><creator>Wang, Xiaorui</creator><creator>Chang, Jiuli</creator><creator>Wu, Dapeng</creator><creator>Wang, Lan</creator><creator>Liu, Xiao</creator><creator>Xu, Fang</creator><creator>Guo, Yuming</creator><creator>Jiang, Kai</creator><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20150101</creationdate><title>Fluorescent carbon quantum dots, capacitance and catalysis active porous carbon microspheres from beer</title><author>Gao, Zhiyong ; Wang, Xiaorui ; Chang, Jiuli ; Wu, Dapeng ; Wang, Lan ; Liu, Xiao ; Xu, Fang ; Guo, Yuming ; Jiang, Kai</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c264t-bc6b333afb38e6a1c73944d55aa1d0b8534db02b53d459ce67861d61acf273e23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Activation</topic><topic>Capacitance</topic><topic>Carbon</topic><topic>Catalysts</topic><topic>Electrodes</topic><topic>Fluorescence</topic><topic>Microspheres</topic><topic>Quantum dots</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gao, Zhiyong</creatorcontrib><creatorcontrib>Wang, Xiaorui</creatorcontrib><creatorcontrib>Chang, Jiuli</creatorcontrib><creatorcontrib>Wu, Dapeng</creatorcontrib><creatorcontrib>Wang, Lan</creatorcontrib><creatorcontrib>Liu, Xiao</creatorcontrib><creatorcontrib>Xu, Fang</creatorcontrib><creatorcontrib>Guo, Yuming</creatorcontrib><creatorcontrib>Jiang, Kai</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>RSC advances</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gao, Zhiyong</au><au>Wang, Xiaorui</au><au>Chang, Jiuli</au><au>Wu, Dapeng</au><au>Wang, Lan</au><au>Liu, Xiao</au><au>Xu, Fang</au><au>Guo, Yuming</au><au>Jiang, Kai</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Fluorescent carbon quantum dots, capacitance and catalysis active porous carbon microspheres from beer</atitle><jtitle>RSC advances</jtitle><date>2015-01-01</date><risdate>2015</risdate><volume>5</volume><issue>60</issue><spage>48665</spage><epage>48674</epage><pages>48665-48674</pages><issn>2046-2069</issn><eissn>2046-2069</eissn><abstract>Fluorescent nitrogen containing carbon quantum dots (NCQDs) and porous carbon microspheres (PCMs) were simultaneously synthesized by a facile hydrothermal method using beer as precursor. The afforded NCQDs in supernatant exhibited strong blue fluorescence in aqueous solution and dry state under UV light excitation, showing the huge potential as fluorescent dye. The PCMs in sediment showed great potential in supercapacitor electrode and catalyst for certain reaction. After ZnCl
2
activation at 900 °C, the obtained highly porous a-PCM
900
(denoted according to activation temperature) offered a high specific capacitance of 273.2 F g
−1
at 1 A g
−1
, excellent rate capability and cycling stability when employed as supercapacitor electrode. Moreover, a-PCM
900
could also serve as efficient non-noble metal catalyst for reduction conversion of 4-nitrophenol to 4-aminophenol by NaBH
4
with high activity and well reusability.</abstract><doi>10.1039/C5RA05365J</doi><tpages>10</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 2046-2069 |
| ispartof | RSC advances, 2015-01, Vol.5 (60), p.48665-48674 |
| issn | 2046-2069 2046-2069 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1855362600 |
| source | Royal Society of Chemistry |
| subjects | Activation Capacitance Carbon Catalysts Electrodes Fluorescence Microspheres Quantum dots |
| title | Fluorescent carbon quantum dots, capacitance and catalysis active porous carbon microspheres from beer |
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