scholarly journals Anisotropic Thermal Transport in Thermoelectric Composites of Conjugated Polyelectrolytes/Single-Walled Carbon Nanotubes

2016 ◽  
Vol 49 (13) ◽  
pp. 4957-4963 ◽  
Author(s):  
Cheng-Kang Mai ◽  
Jun Liu ◽  
Christopher M. Evans ◽  
Rachel A. Segalman ◽  
Michael L. Chabinyc ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Thermal Transport ◽  
Single Walled Carbon Nanotubes ◽  
Conjugated Polyelectrolytes ◽  
Single Walled Carbon ◽  
Walled Carbon Nanotubes

Enhancing the Thermoelectric Performance through the Mutual Interaction between Conjugated Polyelectrolytes and Single-walled Carbon Nanotubes

2022 ◽  
Author(s):  
Shuxun Wan ◽  
Zhongming Chen ◽  
Liping Hao ◽  
Shichao Wang ◽  
Benzhang Li ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Thermoelectric Properties ◽  
Thermoelectric Generator ◽  
Composite Films ◽  
Single Walled Carbon Nanotubes ◽  
Conjugated Polyelectrolytes ◽  
High Performing ◽  
Single Walled Carbon ◽  
Electrical Conductivities ◽  
Walled Carbon Nanotubes

Abstract We present a method of constructing composites composed of conjugated polyelectrolytes (CPEs) and single-walled carbon nanotubes (SWCNTs) to obtain a high-performing flexible thermoelectric generator. In this approach, three kinds of polymers, namely, poly[(1,4-(2,5-didodecyloxybenzene)-alt-2,5-thiophene] (P1), poly[(1,4-(2,5-bis-sodium butoxysulfonate-phenylene)-alt-2,5-thiophene] (P2), and poly[(1,4-(2,5-bis-acid butoxysulfonic-phenylene)-alt-2,5-thiophene] (P3) are designed, synthesized and complexed with SWCNTs as thermoelectric composites. The electrical conductivities of CPEs/SWCNTs (P2/SWCNTs, and P3/SWCNTs) nanocomposites are much higher than those of non-CPEs/SWCNTs (P1/SWCNTs) nanocomposites. Among them, the electrical conductivity of P2/SWCNTs with a ratio of 1:4 reaches 3686 S cm-1, which is 12.4 times that of P1/SWCNTs at the same SWCNT mass ratio. Moreover, CPEs/SWCNTs composites (P2/SWCNTs) display remarkably improved thermoelectric properties with the highest power factor (PF) of 163 μW m-1 K-2. In addition, a thermoelectric generator is fabricated with P2/SWCNTs composite films, and the output power and power density of this generator reach 1.37 μW and 1.4 W m-2 (cross-section) at ΔT=70 K. This result is over three times that of the thermoelectric generator composed of non-CPEs/SWCNTs composite films (P1/SWCNTs, 0.37 μW). The remarkably improved electrical conductivities and thermoelectric properties of the CPEs/SWCNTs composites (P2/SWCNTs) are attributed to the enhanced interaction. This method for constructing CPEs/SWCNTs composites can be applied to produce thermoelectric materials and devices.

Supramolecular Functionalization of Single-Walled Carbon Nanotubes with Conjugated Polyelectrolytes and Their Patterning on Surfaces

2008 ◽  
Vol 41 (24) ◽  
pp. 9869-9874 ◽  
Author(s):  
Fuyong Cheng ◽  
Patigul Imin ◽  
Sorin Lazar ◽  
Gianluigi A. Botton ◽  
Glynis de Silveira ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Single Walled Carbon Nanotubes ◽  
Conjugated Polyelectrolytes ◽  
Single Walled Carbon ◽  
Walled Carbon Nanotubes

Varying the ionic functionalities of conjugated polyelectrolytes leads to both p- and n-type carbon nanotube composites for flexible thermoelectrics

2015 ◽  
Vol 8 (8) ◽  
pp. 2341-2346 ◽  
Author(s):  
Cheng-Kang Mai ◽  
Boris Russ ◽  
Stephanie L. Fronk ◽  
Nan Hu ◽  
Mary B. Chan-Park ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Carbon Nanotube ◽  
Single Walled Carbon Nanotubes ◽  
Conjugated Polyelectrolytes ◽  
Selective Doping ◽  
Single Walled Carbon ◽  
Nanotube Composites ◽  
Carbon Nanotube Composites ◽  
Walled Carbon Nanotubes

Selective doping of single-walled carbon nanotubes can be achieved by varying pendant ionic functionalities of conjugated polyelectrolytes.

Doping-Dependent Energy Transfer from Conjugated Polyelectrolytes to (6,5) Single-Walled Carbon Nanotubes

2019 ◽  
Vol 123 (36) ◽  
pp. 22680-22689
Author(s):  
Merve Balcı Leinen ◽  
Felix J. Berger ◽  
Patrick Klein ◽  
Markus Mühlinghaus ◽  
Nicolas F. Zorn ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Energy Transfer ◽  
Single Walled Carbon Nanotubes ◽  
Conjugated Polyelectrolytes ◽  
Single Walled Carbon ◽  
Walled Carbon Nanotubes

Purity Evaluation of Single-Walled Carbon Nanotubes Using Thermogravimetric Analysis

2013 ◽  
Vol 51 (2) ◽  
pp. 137-144
Author(s):  
Naesung Lee ◽  
Jeung Choon Goak ◽  
Tae Yang Kim ◽  
Jongwan Jung ◽  
Young-Soo Seo ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Thermogravimetric Analysis ◽  
Single Walled Carbon Nanotubes ◽  
Single Walled Carbon ◽  
Purity Evaluation ◽  
Walled Carbon Nanotubes
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