scholarly journals Effect of Carboxyl-Functionalized Single Walled Carbon Nanotubes on the Interfacial Barrier Height of Malachite Green Dye Based Organic Device

2019 ◽  
Vol 10 (1) ◽  
pp. 1-7 ◽  
Author(s):  
Sudipta Sen ◽  
Nabin Baran Manik
Keyword(s):  
Carbon Nanotubes ◽  
Barrier Height ◽  
Malachite Green ◽  
Single Walled Carbon Nanotubes ◽  
Single Walled Carbon ◽  
Malachite Green Dye ◽  
Walled Carbon Nanotubes

Effect of Single Walled Carbon Nanotubes on the Series Resistance and Trap Energy of Malachite Green Dye Based Organic Device

2021 ◽  
Vol 69 ◽  
pp. 43-52
Author(s):  
Pallab Kumar Das ◽  
Sudipta Sen ◽  
Nabin Baran Manik
Keyword(s):  
Carbon Nanotubes ◽  
Malachite Green ◽  
Indium Tin Oxide ◽  
Series Resistance ◽  
Single Walled Carbon Nanotubes ◽  
Organic Layer ◽  
Trap Energy ◽  
Single Walled Carbon ◽  
Steady State Current ◽  
Walled Carbon Nanotubes

In this paper, we have estimated the series resistance (Rs) and the trap energy (Ec) of the sandwiched type Malachite Green (MG) dye-based organic device and have also observed the influence of single-walled carbon nanotubes (SWCNT) on both of these parameters. To form the organic device, we have used Indium Tin Oxide (ITO) coated glass as the front electrode and Aluminium (Al) as a back electrode by using the spin coating technique. The values of series resistance are measured from both I-V characteristics and by utilizing Cheung Function due to the non ideal behavior of organic devices. We have also extracted the values of Rs by using H (I) versus I plot and verified the values with the measured values of Rs from the Cheung function. The extracted values of series resistance using these three processes remain consistent with each other in showing that the values of series resistance have been reduced considerably in the presence of SWCNT. The trap energy has been estimated from the steady-state current-voltage characteristics. There is a significant correlation in between series resistance and the trap energy of the organic device. The presence of Single-Walled Carbon Nanotubes reduces the trap energy from 0.086 eV to 0.057 eV. Lowering of the trap energy of the metal-organic layer interface in presence of Single Walled Carbon Nanotubes attributes to the reduction of the value of the series resistance. The extracted value of Rs decreases from 0.154 MΩ to 0.0389 MΩ in presence of SWCNT. Decrease in the value of both of these parameters in the presence of SWCNT will definitely improve the charge transport mechanism of the organic device and thereby the conductivity.

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

Hybrid Bioactive Hydrogels Containing Single-Walled Carbon Nanotubes Covalently Integrated via Strain-Promoted Azide-Alkyne Cycloaddition

2012 ◽  
Vol 2 (2) ◽  
pp. 200-209 ◽  
Author(s):  
Jurgen Bachl ◽  
Thimo Huber ◽  
Dennis Kuhbeck ◽  
Eva-Maria Schon ◽  
Gabriele Brunner ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Single Walled Carbon Nanotubes ◽  
Single Walled Carbon ◽  
Walled Carbon Nanotubes

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.

Near-Field Optical Identification of Metallic and Semiconducting Single-Walled Carbon Nanotubes

2020 ◽  
Vol 37 (2) ◽  
pp. 028101
Author(s):  
Lele Wang ◽  
Bosai Lyu ◽  
Qiang Gao ◽  
Jiajun Chen ◽  
Zhe Ying ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Near Field ◽  
Single Walled Carbon Nanotubes ◽  
Optical Identification ◽  
Single Walled Carbon ◽  
Walled Carbon Nanotubes
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