Thermoelectric properties and thermoelectric devices of free-standing GaN and epitaxial GaN layer

2007 ◽  
Vol 515 (10) ◽  
pp. 4501-4504 ◽  
Author(s):  
N. Kaiwa ◽  
M. Hoshino ◽  
T. Yaginuma ◽  
R. Izaki ◽  
S. Yamaguchi ◽  
...  
Keyword(s):  
Thermoelectric Properties ◽  
Thermoelectric Devices ◽  
Free Standing

scholarly journals Thermoelectric Properties of Thin Films from Sorted Single-Walled Carbon Nanotubes

Materials ◽  
2020 ◽  
Vol 13 (17) ◽  
pp. 3808 ◽  
Author(s):  
Blazej Podlesny ◽  
Bogumila Kumanek ◽  
Angana Borah ◽  
Ryohei Yamaguchi ◽  
Tomohiro Shiraki ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Thermoelectric Properties ◽  
Large Scale ◽  
Single Walled Carbon Nanotubes ◽  
Parent Material ◽  
Free Standing ◽  
Two Phase ◽  
Single Walled Carbon ◽  
Walled Carbon Nanotubes ◽  
Aqueous Two Phase Extraction

Single-walled carbon nanotubes (SWCNTs) remain one of the most promising materials of our times. One of the goals is to implement semiconducting and metallic SWCNTs in photonics and microelectronics, respectively. In this work, we demonstrated how such materials could be obtained from the parent material by using the aqueous two-phase extraction method (ATPE) at a large scale. We also developed a dedicated process on how to harvest the SWCNTs from the polymer matrices used to form the biphasic system. The technique is beneficial as it isolates SWCNTs with high purity while simultaneously maintaining their surface intact. To validate the utility of the metallic and semiconducting SWCNTs obtained this way, we transformed them into thin free-standing films and characterized their thermoelectric properties.

Substrate effects on the thermoelectric properties of Co-sputtered Bi-Te thin films for micro-thermoelectric devices

2012 ◽  
Vol 61 (9) ◽  
pp. 1435-1438 ◽  
Author(s):  
Hee-Jung Lee ◽  
Seungwoo Han ◽  
Kwang Eun Lee ◽  
Hyun Sung Park ◽  
Min-Su Kim
Keyword(s):  
Thin Films ◽  
Thermoelectric Properties ◽  
Thermoelectric Devices ◽  
Substrate Effects

scholarly journals First-principles study of the structural, optoelectronic and thermophysical properties of the π-SnSe for thermoelectric applications

2021 ◽  
Vol 12 ◽  
pp. 1101-1114
Author(s):  
Muhammad Atif Sattar ◽  
Najwa Al Bouzieh ◽  
Maamar Benkraouda ◽  
Noureddine Amrane
Keyword(s):  
Thermoelectric Properties ◽  
Density Functional ◽  
Practical Importance ◽  
Next Generation ◽  
Thermoelectric Devices ◽  
Functional Theory ◽  
Tin Selenide ◽  
Large Lattice ◽  
The Density Functional Theory ◽  
First Time

Tin selenide (SnSe) has thermoelectric (TE) and photovoltaic (PV) applications due to its exceptional advantages, such as the remarkable figure of merit (ZT ≈ 2.6 at 923 K) and excellent optoelectronic properties. In addition, SnSe is nontoxic, inexpensive, and relatively abundant. These aspects make SnSe of great practical importance for the next generation of thermoelectric devices. Here, we report structural, optoelectronic, thermodynamic, and thermoelectric properties of the recently experimentally identified binary phase of tin monoselenide (π-SnSe) by using the density functional theory (DFT). Our DFT calculations reveal that π-SnSe features an optical bandgap of 1.41 eV and has an exceptionally large lattice constant (12.2 Å, P213). We report several thermodynamic, optical, and thermoelectric properties of this π-SnSe phase for the first time. Our finding shows that the π-SnSe alloy is exceptionally promising for the next generation of photovoltaic and thermoelectric devices at room and high temperatures.

scholarly journals Recent progress on PEDOT:PSS based polymer blends and composites for flexible electronics and thermoelectric devices

2020 ◽  
Vol 4 (11) ◽  
pp. 3130-3152 ◽  
Author(s):  
Yan Yang ◽  
Hua Deng ◽  
Qiang Fu
Keyword(s):  
Electrical Conductivity ◽  
Polymer Blends ◽  
Thermoelectric Properties ◽  
Flexible Electronics ◽  
Recent Progress ◽  
Thermoelectric Devices

Recent progress on PEDOT:PSS composites by incorporating various polymers and fillers through blending and mixing methods and main focus is put onto the electrical conductivity, stretchability and thermoelectric properties.

Advanced Thermoelectric Materials and Systems for Automotive Applications in the Next Millennium

1997 ◽  
Vol 478 ◽  
Author(s):  
Donald T. Morelli
Keyword(s):  
Environmental Economic ◽  
Physical Properties ◽  
Thermoelectric Properties ◽  
Thermoelectric Materials ◽  
Experimental Results ◽  
Automotive Applications ◽  
New Materials ◽  
Thermoelectric Devices ◽  
Filled Skutterudites ◽  
Fundamental Physical

AbstractA combination of environmental, economic, and technological drivers has led to a reassessment of the potential for using thermoelectric devices in several automotive applications. In order for this technology to achieve its ultimate potential, new materials with enhanced thermoelectric properties are required. Experimental results on the fundamental physical properties of some new thermoelectric materials, including filled skutterudites and 1–1–1 intermetallic semiconductors, are presented.

Thermoelectric properties of and devices based on free-standing GaN

2005 ◽  
Vol 86 (25) ◽  
pp. 252102 ◽  
Author(s):  
Shigeo Yamaguchi ◽  
Ryohei Izaki ◽  
Nakaba Kaiwa ◽  
Atsushi Yamamoto
Keyword(s):  
Thermoelectric Properties ◽  
Free Standing

Electrochemical Treatment for Effectively Tuning Thermoelectric Properties of Free-Standing Poly(3-methylthiophene) Films

ChemPhysChem ◽  
2016 ◽  
Vol 17 (14) ◽  
pp. 2256-2262 ◽  
Author(s):  
Yongjing Hu ◽  
Danhua Zhu ◽  
Zhengyou Zhu ◽  
Endou Liu ◽  
Baoyang Lu ◽  
...  
Keyword(s):  
Thermoelectric Properties ◽  
Electrochemical Treatment ◽  
Free Standing

Thermoelectric Properties of Semiconducting Polymers

2020 ◽  
Vol 50 (1) ◽  
pp. 551-574 ◽  
Author(s):  
Kelly A. Peterson ◽  
Elayne M. Thomas ◽  
Michael L. Chabinyc
Keyword(s):  
Power Generation ◽  
Electrical Conductivity ◽  
Thermoelectric Properties ◽  
Semiconducting Polymers ◽  
Solution Processing ◽  
Thermoelectric Devices ◽  
Materials Properties ◽  
Cooling Devices ◽  
Energetic Disorder ◽  
The Relationship

Semiconducting polymers have the potential to be used in thermoelectric devices that are lightweight, flexible, and fabricated using solution processing. Because of the structural and energetic disorder of these polymers, the relationship between their structure and thermoelectric properties is complex. We review how interrelated processing routes and doping methods affect the thermoelectric properties of polymers. The studies highlighted here have led to correlations between thermopower and electrical conductivity that can be described by theories under investigation. With greater understanding of the materials properties behind their performance, semiconducting polymers can be used in future power generation or cooling devices.

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