Flexible N-Type Thermoelectric Composites Based on Non-Conductive Polymer with Innovative Bi<sub>2</sub>Se<sub>3</sub>-CNT Hybrid Nanostructured Filler
This research is devoted to the fabrication of polyvinyl alcohol (PVOH) based n-type thermoelectric composites with innovative hybrid bismuth selenide-multiwalled carbon nanotube (Bi<sub>2</sub>Se<sub>3</sub>-MWCNT) fillers for application in flexible thermoelectric devices....
| Main Authors: | , , , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2021-12-01
|
| Series: | Polymers |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2073-4360/13/23/4264 |
| _version_ | 1797507270407356416 |
|---|---|
| author | Juris Bitenieks Krisjanis Buks Remo Merijs-Meri Jana Andzane Tatjana Ivanova Lasma Bugovecka Vanda Voikiva Janis Zicans Donats Erts |
| author_facet | Juris Bitenieks Krisjanis Buks Remo Merijs-Meri Jana Andzane Tatjana Ivanova Lasma Bugovecka Vanda Voikiva Janis Zicans Donats Erts |
| author_sort | Juris Bitenieks |
| collection | DOAJ |
| description | This research is devoted to the fabrication of polyvinyl alcohol (PVOH) based n-type thermoelectric composites with innovative hybrid bismuth selenide-multiwalled carbon nanotube (Bi<sub>2</sub>Se<sub>3</sub>-MWCNT) fillers for application in flexible thermoelectric devices. Hybrid fillers were synthesized by direct deposition of Bi<sub>2</sub>Se<sub>3</sub> on multiwalled carbon nanotubes using a physical vapor deposition method, thus ensuring direct electrical contact between the carbon nanotubes and Bi<sub>2</sub>Se<sub>3</sub>. The Seebeck coefficient of prepared PVOH/Bi<sub>2</sub>Se<sub>3</sub>-MWCNT composites was found to be comparable with that for the Bi<sub>2</sub>Se<sub>3</sub> thin films, reaching −100 µV·K<sup>−1</sup> for the composite with 30 wt.% filler, and fluctuations of the resistance of these composites did not exceed 1% during 100 repetitive bending cycles down to 10 mm radius, indicating the good mechanical durability of these composites and proving their high potential for application in flexible thermoelectrics. In addition, other properties of the fabricated composites that are important for the use of polymer-based materials such as thermal stability, storage modulus and linear coefficient of thermal expansion were found to be improved in comparison with the neat PVOH. |
| first_indexed | 2024-03-10T04:46:10Z |
| format | Article |
| id | doaj.art-2274dc90d0a44e94a6fe22c7252db679 |
| institution | Directory Open Access Journal |
| issn | 2073-4360 |
| language | English |
| last_indexed | 2024-03-10T04:46:10Z |
| publishDate | 2021-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Polymers |
| spelling | doaj.art-2274dc90d0a44e94a6fe22c7252db6792023-11-23T02:55:22ZengMDPI AGPolymers2073-43602021-12-011323426410.3390/polym13234264Flexible N-Type Thermoelectric Composites Based on Non-Conductive Polymer with Innovative Bi<sub>2</sub>Se<sub>3</sub>-CNT Hybrid Nanostructured FillerJuris Bitenieks0Krisjanis Buks1Remo Merijs-Meri2Jana Andzane3Tatjana Ivanova4Lasma Bugovecka5Vanda Voikiva6Janis Zicans7Donats Erts8Institute of Polymer Materials, Faculty of Materials Science and Applied Chemistry, LV-1048 Riga, LatviaInstitute of Chemical Physics, University of Latvia, LV-1586 Riga, LatviaInstitute of Polymer Materials, Faculty of Materials Science and Applied Chemistry, LV-1048 Riga, LatviaInstitute of Chemical Physics, University of Latvia, LV-1586 Riga, LatviaInstitute of Polymer Materials, Faculty of Materials Science and Applied Chemistry, LV-1048 Riga, LatviaInstitute of Chemical Physics, University of Latvia, LV-1586 Riga, LatviaInstitute of Chemical Physics, University of Latvia, LV-1586 Riga, LatviaInstitute of Polymer Materials, Faculty of Materials Science and Applied Chemistry, LV-1048 Riga, LatviaInstitute of Chemical Physics, University of Latvia, LV-1586 Riga, LatviaThis research is devoted to the fabrication of polyvinyl alcohol (PVOH) based n-type thermoelectric composites with innovative hybrid bismuth selenide-multiwalled carbon nanotube (Bi<sub>2</sub>Se<sub>3</sub>-MWCNT) fillers for application in flexible thermoelectric devices. Hybrid fillers were synthesized by direct deposition of Bi<sub>2</sub>Se<sub>3</sub> on multiwalled carbon nanotubes using a physical vapor deposition method, thus ensuring direct electrical contact between the carbon nanotubes and Bi<sub>2</sub>Se<sub>3</sub>. The Seebeck coefficient of prepared PVOH/Bi<sub>2</sub>Se<sub>3</sub>-MWCNT composites was found to be comparable with that for the Bi<sub>2</sub>Se<sub>3</sub> thin films, reaching −100 µV·K<sup>−1</sup> for the composite with 30 wt.% filler, and fluctuations of the resistance of these composites did not exceed 1% during 100 repetitive bending cycles down to 10 mm radius, indicating the good mechanical durability of these composites and proving their high potential for application in flexible thermoelectrics. In addition, other properties of the fabricated composites that are important for the use of polymer-based materials such as thermal stability, storage modulus and linear coefficient of thermal expansion were found to be improved in comparison with the neat PVOH.https://www.mdpi.com/2073-4360/13/23/4264flexible thermoelectric compositeshybrid networkpolyvinyl alcohol based composite materialscarbon nanotubesbismuth selenide nanostructures |
| spellingShingle | Juris Bitenieks Krisjanis Buks Remo Merijs-Meri Jana Andzane Tatjana Ivanova Lasma Bugovecka Vanda Voikiva Janis Zicans Donats Erts Flexible N-Type Thermoelectric Composites Based on Non-Conductive Polymer with Innovative Bi<sub>2</sub>Se<sub>3</sub>-CNT Hybrid Nanostructured Filler Polymers flexible thermoelectric composites hybrid network polyvinyl alcohol based composite materials carbon nanotubes bismuth selenide nanostructures |
| title | Flexible N-Type Thermoelectric Composites Based on Non-Conductive Polymer with Innovative Bi<sub>2</sub>Se<sub>3</sub>-CNT Hybrid Nanostructured Filler |
| title_full | Flexible N-Type Thermoelectric Composites Based on Non-Conductive Polymer with Innovative Bi<sub>2</sub>Se<sub>3</sub>-CNT Hybrid Nanostructured Filler |
| title_fullStr | Flexible N-Type Thermoelectric Composites Based on Non-Conductive Polymer with Innovative Bi<sub>2</sub>Se<sub>3</sub>-CNT Hybrid Nanostructured Filler |
| title_full_unstemmed | Flexible N-Type Thermoelectric Composites Based on Non-Conductive Polymer with Innovative Bi<sub>2</sub>Se<sub>3</sub>-CNT Hybrid Nanostructured Filler |
| title_short | Flexible N-Type Thermoelectric Composites Based on Non-Conductive Polymer with Innovative Bi<sub>2</sub>Se<sub>3</sub>-CNT Hybrid Nanostructured Filler |
| title_sort | flexible n type thermoelectric composites based on non conductive polymer with innovative bi sub 2 sub se sub 3 sub cnt hybrid nanostructured filler |
| topic | flexible thermoelectric composites hybrid network polyvinyl alcohol based composite materials carbon nanotubes bismuth selenide nanostructures |
| url | https://www.mdpi.com/2073-4360/13/23/4264 |
| work_keys_str_mv | AT jurisbitenieks flexiblentypethermoelectriccompositesbasedonnonconductivepolymerwithinnovativebisub2subsesub3subcnthybridnanostructuredfiller AT krisjanisbuks flexiblentypethermoelectriccompositesbasedonnonconductivepolymerwithinnovativebisub2subsesub3subcnthybridnanostructuredfiller AT remomerijsmeri flexiblentypethermoelectriccompositesbasedonnonconductivepolymerwithinnovativebisub2subsesub3subcnthybridnanostructuredfiller AT janaandzane flexiblentypethermoelectriccompositesbasedonnonconductivepolymerwithinnovativebisub2subsesub3subcnthybridnanostructuredfiller AT tatjanaivanova flexiblentypethermoelectriccompositesbasedonnonconductivepolymerwithinnovativebisub2subsesub3subcnthybridnanostructuredfiller AT lasmabugovecka flexiblentypethermoelectriccompositesbasedonnonconductivepolymerwithinnovativebisub2subsesub3subcnthybridnanostructuredfiller AT vandavoikiva flexiblentypethermoelectriccompositesbasedonnonconductivepolymerwithinnovativebisub2subsesub3subcnthybridnanostructuredfiller AT janiszicans flexiblentypethermoelectriccompositesbasedonnonconductivepolymerwithinnovativebisub2subsesub3subcnthybridnanostructuredfiller AT donatserts flexiblentypethermoelectriccompositesbasedonnonconductivepolymerwithinnovativebisub2subsesub3subcnthybridnanostructuredfiller |