Thermoelectric properties of phosphorene at the nanoscale. Issue 20 (23rd September 2016)
- Record Type:
- Journal Article
- Title:
- Thermoelectric properties of phosphorene at the nanoscale. Issue 20 (23rd September 2016)
- Main Title:
- Thermoelectric properties of phosphorene at the nanoscale
- Authors:
- Zhou, Hangbo
Cai, Yongqing
Zhang, Gang
Zhang, Yong-Wei - Abstract:
- Abstract: Abstract : Phosphorene is a new-emerging two-dimensional material with many fascinating electronic and thermal properties. Using nonequilibrium Green's function technique, we investigate the thermoelectric transport properties of phosphorene in the ballistic transport regime. We find that while the electronic conductance and thermal conductance of phosphorene are highly anisotropic, the Seebeck coefficient is isotropic. The maximum predicted thermopower reaches 2500 μV/K. We also find that the Wiedemann–Franz law is valid only when the chemical potential is inside valence band or conduction band. When the chemical potential is near the valence band maximum or conduction band minimum; however, the Wiedemann–Franz law becomes invalid, and interestingly, the figure of merit ZT reaches its maximum value. We also find that figure of merit ZT increases with the increase of temperature, and ZT in the armchair direction is much higher than that in the zigzag direction. By analyzing the various effects on ZT, we discuss the possible routines to enhance figure of merit ZT .
- Is Part Of:
- Journal of materials research. Volume 31:Issue 20(2016)
- Journal:
- Journal of materials research
- Issue:
- Volume 31:Issue 20(2016)
- Issue Display:
- Volume 31, Issue 20 (2016)
- Year:
- 2016
- Volume:
- 31
- Issue:
- 20
- Issue Sort Value:
- 2016-0031-0020-0000
- Page Start:
- 3179
- Page End:
- 3186
- Publication Date:
- 2016-09-23
- Subjects:
- Thermoelectricity, -- nanoscale, -- thermal conductivity
Materials -- Research -- Periodicals
620.1105 - Journal URLs:
- https://www.springer.com/journal/43578 ↗
http://journals.cambridge.org/action/displayJournal?jid=JMR ↗
http://link.springer.com/ ↗
http://www.mrs.org/ ↗ - DOI:
- 10.1557/jmr.2016.333 ↗
- Languages:
- English
- ISSNs:
- 0884-2914
- Deposit Type:
- Legaldeposit
- View Content:
- Available online (eLD content is only available in our Reading Rooms) ↗
- Physical Locations:
- British Library DSC - BLDSS-3PM
British Library HMNTS - ELD Digital store - Ingest File:
- 2004.xml