A review on the electrical and electrochemical behavior of composites based on carbon nanotube, graphene and their derivatives

Sandip Maiti; Sumanta Kumar Karan; Jin Kon Kim; Bhanu Bhusan Khatua

Volume 3, Issue 4 , 2018, , Pages 230-273


  Today, we stand at the edge of exploring carbon nanotube (CNT) and graphene based polymer composites and supercapacitors as next generation multifunctional materials. Supercapacitor materials have been alternative energy source in modern electronics era. Due to their excellent electrical, mechanical ...  Read More

Role of doped ZnO nanoparticles as polymer chain segmental motion exciter in PVA-ZnO nanocomposites investigated by dielectric relaxation spectroscopy

Shobhna Choudhary; Ram J. Sengwa

Volume 2, Issue 5 , 2017, , Pages 315-324


  The dielectric and electrical spectra of solution cast prepared nanocomposite films comprising poly(vinyl alcohol) (PVA) as polymer matrix and zinc oxide (ZnO) as inorganic nanofiller (PVA–x wt% ZnO (x = 0, 1, 3 and 5)) have been investigated in the frequency range from 20 Hz to 1 MHz. Anomalous ...  Read More

Nonlinear enhancement of the dielectric properties of PVA-Al2O3 nanocomposites

Ram J. Sengwa; Shobhna Choudhary

Volume 2, Issue 4 , 2017, , Pages 280-287


  Dielectric dispersion and relaxation behaviour of aqueous solution grown polymeric nanocomposite films consisting of poly(vinyl alcohol) (PVA) and alumina (Al2O3) (PVA–x wt% Al2O3 (x = 0, 1, 3 and 5)) have been studied in the frequency range from 20 Hz to 1 MHz by employing dielectric relaxation ...  Read More

In-situ chemical synthesis of PANI dodecyl-benzene sulfonic acid doped vanadium pentoxide: Optical and electrical properties

Niranjana M; Sharanappa Chapi; Yesappa L; Archana K; Raghu S; Devendrappa H

Volume 2, Issue 3 , 2017, , Pages 184-188


  Polyaniline (PANI) composites doped with Vanadium pentoxide (V2O5) of different weight percentage using dodecylbenzene sulfonic acid (DBSA) as surfactant was prepared by in-situ chemical oxidation reaction method. Here ammonium persulphate was used as an oxidizing agent. The formation of composite (PANI/DBSA/V2O5) ...  Read More