Enhanced thermoelectric properties of Cu2−δSe nanopowder dispersed Bi2Ba2Co2Oy ceramics
The Bi 2 Ba 2 Co 2 O y ceramics dispersed with x wt% Cu 2−δ Se ( x = 0.00, 0.25, 0.50, 0.75, 1.00, 1.25 and 1.50) nanopowders were synthesized by the solid-state reaction method and the effects of Cu 2−δ Se dispersion on the thermoelectric properties were investigated. The thinner and better align...
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| Veröffentlicht in: | Applied physics. A, Materials science & processing Materials science & processing, 2018-10, Vol.124 (10), p.1-6, Article 669 |
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| container_title | Applied physics. A, Materials science & processing |
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| creator | Cao, Ruijuan Li, Erying Hu, Qiujun Zhu, Zheng Zhang, Yan Li, Xinjian Hu, Xing Song, Hongzhang |
| description | The Bi
2
Ba
2
Co
2
O
y
ceramics dispersed with
x
wt% Cu
2−δ
Se (
x
= 0.00, 0.25, 0.50, 0.75, 1.00, 1.25 and 1.50) nanopowders were synthesized by the solid-state reaction method and the effects of Cu
2−δ
Se dispersion on the thermoelectric properties were investigated. The thinner and better aligned lamellar structures were observed in the Cu
2−δ
Se dispersed Bi
2
Ba
2
Co
2
O
y
samples, which resulted in the significant reducing of thermal conductivities due to the enhanced phonon scattering by the lamellar structures. At the same time, the electrical resistivity was reduced evidently by an appropriate amount of Cu
2−δ
Se dispersion owing to its low electrical resistivity. As a result, all the Cu
2−δ
Se dispersed samples exhibited higher figure of merit (
ZT
), indicating that Cu
2−δ
Se dispersion is an effective method to raise the thermoelectric properties of Bi
2
Ba
2
Co
2
O
y
ceramic. The maximum
ZT
value 0.21 was achieved at 873 K when the Cu
2−δ
Se amount is 0.5 wt%, which is increased about 35% compared with the undispersed sample. |
| doi_str_mv | 10.1007/s00339-018-2095-2 |
| format | Article |
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2
Ba
2
Co
2
O
y
ceramics dispersed with
x
wt% Cu
2−δ
Se (
x
= 0.00, 0.25, 0.50, 0.75, 1.00, 1.25 and 1.50) nanopowders were synthesized by the solid-state reaction method and the effects of Cu
2−δ
Se dispersion on the thermoelectric properties were investigated. The thinner and better aligned lamellar structures were observed in the Cu
2−δ
Se dispersed Bi
2
Ba
2
Co
2
O
y
samples, which resulted in the significant reducing of thermal conductivities due to the enhanced phonon scattering by the lamellar structures. At the same time, the electrical resistivity was reduced evidently by an appropriate amount of Cu
2−δ
Se dispersion owing to its low electrical resistivity. As a result, all the Cu
2−δ
Se dispersed samples exhibited higher figure of merit (
ZT
), indicating that Cu
2−δ
Se dispersion is an effective method to raise the thermoelectric properties of Bi
2
Ba
2
Co
2
O
y
ceramic. The maximum
ZT
value 0.21 was achieved at 873 K when the Cu
2−δ
Se amount is 0.5 wt%, which is increased about 35% compared with the undispersed sample.</description><identifier>ISSN: 0947-8396</identifier><identifier>EISSN: 1432-0630</identifier><identifier>DOI: 10.1007/s00339-018-2095-2</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Applied physics ; Ceramics ; Characterization and Evaluation of Materials ; Chemical synthesis ; Condensed Matter Physics ; Dispersion ; Electrical resistivity ; Figure of merit ; Lamellar structure ; Machines ; Manufacturing ; Materials science ; Nanotechnology ; Optical and Electronic Materials ; Physics ; Physics and Astronomy ; Processes ; Properties (attributes) ; Surfaces and Interfaces ; Thermoelectricity ; Thin Films</subject><ispartof>Applied physics. A, Materials science & processing, 2018-10, Vol.124 (10), p.1-6, Article 669</ispartof><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2018</rights><rights>Copyright Springer Science & Business Media 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2312-9676d34b3de62656c04f9852d41bf99752687754fe44737a0ec65b3d97970a9f3</citedby><cites>FETCH-LOGICAL-c2312-9676d34b3de62656c04f9852d41bf99752687754fe44737a0ec65b3d97970a9f3</cites><orcidid>0000-0001-9665-9747</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00339-018-2095-2$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00339-018-2095-2$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Cao, Ruijuan</creatorcontrib><creatorcontrib>Li, Erying</creatorcontrib><creatorcontrib>Hu, Qiujun</creatorcontrib><creatorcontrib>Zhu, Zheng</creatorcontrib><creatorcontrib>Zhang, Yan</creatorcontrib><creatorcontrib>Li, Xinjian</creatorcontrib><creatorcontrib>Hu, Xing</creatorcontrib><creatorcontrib>Song, Hongzhang</creatorcontrib><title>Enhanced thermoelectric properties of Cu2−δSe nanopowder dispersed Bi2Ba2Co2Oy ceramics</title><title>Applied physics. A, Materials science & processing</title><addtitle>Appl. Phys. A</addtitle><description>The Bi
2
Ba
2
Co
2
O
y
ceramics dispersed with
x
wt% Cu
2−δ
Se (
x
= 0.00, 0.25, 0.50, 0.75, 1.00, 1.25 and 1.50) nanopowders were synthesized by the solid-state reaction method and the effects of Cu
2−δ
Se dispersion on the thermoelectric properties were investigated. The thinner and better aligned lamellar structures were observed in the Cu
2−δ
Se dispersed Bi
2
Ba
2
Co
2
O
y
samples, which resulted in the significant reducing of thermal conductivities due to the enhanced phonon scattering by the lamellar structures. At the same time, the electrical resistivity was reduced evidently by an appropriate amount of Cu
2−δ
Se dispersion owing to its low electrical resistivity. As a result, all the Cu
2−δ
Se dispersed samples exhibited higher figure of merit (
ZT
), indicating that Cu
2−δ
Se dispersion is an effective method to raise the thermoelectric properties of Bi
2
Ba
2
Co
2
O
y
ceramic. The maximum
ZT
value 0.21 was achieved at 873 K when the Cu
2−δ
Se amount is 0.5 wt%, which is increased about 35% compared with the undispersed sample.</description><subject>Applied physics</subject><subject>Ceramics</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemical synthesis</subject><subject>Condensed Matter Physics</subject><subject>Dispersion</subject><subject>Electrical resistivity</subject><subject>Figure of merit</subject><subject>Lamellar structure</subject><subject>Machines</subject><subject>Manufacturing</subject><subject>Materials science</subject><subject>Nanotechnology</subject><subject>Optical and Electronic Materials</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Processes</subject><subject>Properties (attributes)</subject><subject>Surfaces and Interfaces</subject><subject>Thermoelectricity</subject><subject>Thin Films</subject><issn>0947-8396</issn><issn>1432-0630</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp1kE1OwzAQRi0EEqVwAHaRWBvssWPHSxqVH6lSF8CGjeU6Dk3VxsFOhXoD1pyFc3AIToKrILFiNrN53zejh9A5JZeUEHkVCWFMYUILDETlGA7QiHIGmAhGDtGIKC5xwZQ4RicxrkgaDjBCz9N2aVrrqqxfurDxbu1sHxqbdcF3LvSNi5mvs3IL3-8fX58PLmtN6zv_VrmQVU1MTEzhSQMTA6WH-S6zLphNY-MpOqrNOrqz3z1GTzfTx_IOz-a39-X1DFtgFLASUlSML1jlBIhcWMJrVeRQcbqolZI5iELKnNeOc8mkIc6KPNFKKkmMqtkYXQy96eXXrYu9XvltaNNJDclNIZMBnig6UDb4GIOrdReajQk7TYneK9SDQp0U6r1CDSkDQyYmtn1x4a_5_9APtOhz7A</recordid><startdate>20181001</startdate><enddate>20181001</enddate><creator>Cao, Ruijuan</creator><creator>Li, Erying</creator><creator>Hu, Qiujun</creator><creator>Zhu, Zheng</creator><creator>Zhang, Yan</creator><creator>Li, Xinjian</creator><creator>Hu, Xing</creator><creator>Song, Hongzhang</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0001-9665-9747</orcidid></search><sort><creationdate>20181001</creationdate><title>Enhanced thermoelectric properties of Cu2−δSe nanopowder dispersed Bi2Ba2Co2Oy ceramics</title><author>Cao, Ruijuan ; Li, Erying ; Hu, Qiujun ; Zhu, Zheng ; Zhang, Yan ; Li, Xinjian ; Hu, Xing ; Song, Hongzhang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2312-9676d34b3de62656c04f9852d41bf99752687754fe44737a0ec65b3d97970a9f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Applied physics</topic><topic>Ceramics</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemical synthesis</topic><topic>Condensed Matter Physics</topic><topic>Dispersion</topic><topic>Electrical resistivity</topic><topic>Figure of merit</topic><topic>Lamellar structure</topic><topic>Machines</topic><topic>Manufacturing</topic><topic>Materials science</topic><topic>Nanotechnology</topic><topic>Optical and Electronic Materials</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Processes</topic><topic>Properties (attributes)</topic><topic>Surfaces and Interfaces</topic><topic>Thermoelectricity</topic><topic>Thin Films</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cao, Ruijuan</creatorcontrib><creatorcontrib>Li, Erying</creatorcontrib><creatorcontrib>Hu, Qiujun</creatorcontrib><creatorcontrib>Zhu, Zheng</creatorcontrib><creatorcontrib>Zhang, Yan</creatorcontrib><creatorcontrib>Li, Xinjian</creatorcontrib><creatorcontrib>Hu, Xing</creatorcontrib><creatorcontrib>Song, Hongzhang</creatorcontrib><collection>CrossRef</collection><jtitle>Applied physics. A, Materials science & processing</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cao, Ruijuan</au><au>Li, Erying</au><au>Hu, Qiujun</au><au>Zhu, Zheng</au><au>Zhang, Yan</au><au>Li, Xinjian</au><au>Hu, Xing</au><au>Song, Hongzhang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Enhanced thermoelectric properties of Cu2−δSe nanopowder dispersed Bi2Ba2Co2Oy ceramics</atitle><jtitle>Applied physics. A, Materials science & processing</jtitle><stitle>Appl. Phys. A</stitle><date>2018-10-01</date><risdate>2018</risdate><volume>124</volume><issue>10</issue><spage>1</spage><epage>6</epage><pages>1-6</pages><artnum>669</artnum><issn>0947-8396</issn><eissn>1432-0630</eissn><abstract>The Bi
2
Ba
2
Co
2
O
y
ceramics dispersed with
x
wt% Cu
2−δ
Se (
x
= 0.00, 0.25, 0.50, 0.75, 1.00, 1.25 and 1.50) nanopowders were synthesized by the solid-state reaction method and the effects of Cu
2−δ
Se dispersion on the thermoelectric properties were investigated. The thinner and better aligned lamellar structures were observed in the Cu
2−δ
Se dispersed Bi
2
Ba
2
Co
2
O
y
samples, which resulted in the significant reducing of thermal conductivities due to the enhanced phonon scattering by the lamellar structures. At the same time, the electrical resistivity was reduced evidently by an appropriate amount of Cu
2−δ
Se dispersion owing to its low electrical resistivity. As a result, all the Cu
2−δ
Se dispersed samples exhibited higher figure of merit (
ZT
), indicating that Cu
2−δ
Se dispersion is an effective method to raise the thermoelectric properties of Bi
2
Ba
2
Co
2
O
y
ceramic. The maximum
ZT
value 0.21 was achieved at 873 K when the Cu
2−δ
Se amount is 0.5 wt%, which is increased about 35% compared with the undispersed sample.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s00339-018-2095-2</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0001-9665-9747</orcidid></addata></record> |
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| subjects | Applied physics Ceramics Characterization and Evaluation of Materials Chemical synthesis Condensed Matter Physics Dispersion Electrical resistivity Figure of merit Lamellar structure Machines Manufacturing Materials science Nanotechnology Optical and Electronic Materials Physics Physics and Astronomy Processes Properties (attributes) Surfaces and Interfaces Thermoelectricity Thin Films |
| title | Enhanced thermoelectric properties of Cu2−δSe nanopowder dispersed Bi2Ba2Co2Oy ceramics |
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