scholarly journals New conjugated polymer/fullerene nanocomposite for energy storage and organic solar cell devices: Studies of the impedance spectroscopy and dielectric properties

2022 ◽  
Vol 283 ◽  
pp. 116987
Author(s):  
M. Radaoui ◽  
A. Ben Fredj ◽  
S. Romdhane ◽  
N. Bouguerra ◽  
D.A.M. Egbe ◽  
...  
Keyword(s):  
Solar Cell ◽  
Energy Storage ◽  
Dielectric Properties ◽  
Impedance Spectroscopy ◽  
Conjugated Polymer ◽  
Organic Solar Cell

Fabrication and characterization of CuPc and PCBM based organic solar cell with metal interlayer

2015 ◽  
Vol 12 (5) ◽  
pp. 413-420
Author(s):  
Muhammad Ahsan Naveed ◽  
A. Hussain ◽  
K. Islam ◽  
P. Akhter
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
Impedance Spectroscopy ◽  
Organic Solar Cells ◽  
Organic Solar Cell ◽  
Silver Layer ◽  
Absorbance Spectrum ◽  
Heterojunction Solar Cells ◽  
Processing Cost ◽  
Donor Acceptor

Organic solar cells have potential as an alternative to conventional inorganic solar cell due to low processing cost, flexibility and easy fabrication technique. The goal of this paper is to study the characteristics of the CuPc and PCBM based organic solar cell by introducing a thin layer of Ag at the interface of donor (CuPc) and Acceptor (PCBM), their photovoltaic and optical properties were investigated. The heterojunction solar cells with and without silver inter layer were fabricated through thermal deposition in HR vacuum. The OPV solar cells were characterized using current-voltage graphs, absorbance spectrum and Impedance spectroscopy. Impedance spectroscopy was taken to identify the traps using series resistance, parallel resistance, and Impedance spectrums under different frequencies. Optical behaviors of these devices have been investigated with absorbance spectrum. Introducing Ag to interfacing point produced traps and these traps causes to decreased Voc, Isc, FF, and efficiency. The effect of silver layer at donor acceptor interface was studied.

scholarly journals Effect of molecular weight on the properties and organic solar cell device performance of a donor–acceptor conjugated polymer

2015 ◽  
Vol 6 (12) ◽  
pp. 2312-2318 ◽  
Author(s):  
Zeyun Xiao ◽  
Kuan Sun ◽  
Jegadesan Subbiah ◽  
Tianshi Qin ◽  
Shirong Lu ◽  
...  
Keyword(s):  
Molecular Weight ◽  
Solar Cell ◽  
Conjugated Polymer ◽  
Organic Solar Cell ◽  
Photophysical Properties ◽  
Device Performance ◽  
Solar Cell Device ◽  
Donor Acceptor

The effect of molecular weight of a conjugated polymer on its photophysical properties and solar cell device performance was investigated.

Isoindigo-based conjugated polymer for high-performance organic solar cell with a high VOC of 1.06 V as processed from non-halogenated solvent

2019 ◽  
Vol 161 ◽  
pp. 113-118 ◽  
Author(s):  
Eui Hyuk Jung ◽  
Hyungju Ahn ◽  
Won Ho Jo ◽  
Jea Woong Jo ◽  
Jae Woong Jung
Keyword(s):  
Solar Cell ◽  
Conjugated Polymer ◽  
Organic Solar Cell ◽  
High Performance

Conjugated polymer nanostructures for organic solar cell applications

2011 ◽  
Vol 2 (12) ◽  
pp. 2707 ◽  
Author(s):  
Jiun-Tai Chen ◽  
Chain-Shu Hsu
Keyword(s):  
Solar Cell ◽  
Conjugated Polymer ◽  
Organic Solar Cell ◽  
Polymer Nanostructures

2-(2,3,4,5,6-Pentafluorophenyl)-1H-benzo[d]imidazole, a fluorine-rich building block for the preparation of conjugated polymer donors for organic solar cell applications

2012 ◽  
Vol 3 (8) ◽  
pp. 2236 ◽  
Author(s):  
Marios Neophytou ◽  
Heraklidia A. Ioannidou ◽  
Theodosia A. Ioannou ◽  
Christos L. Chochos ◽  
Solon P. Economopoulos ◽  
...  
Keyword(s):  
Solar Cell ◽  
Building Block ◽  
Conjugated Polymer ◽  
Organic Solar Cell

Impedance spectroscopy analysis of small molecule solution processed organic solar cell

2014 ◽  
Vol 128 ◽  
pp. 351-356 ◽  
Author(s):  
B. Arredondo ◽  
B. Romero ◽  
G. Del Pozo ◽  
M. Sessler ◽  
C. Veit ◽  
...  
Keyword(s):  
Solar Cell ◽  
Impedance Spectroscopy ◽  
Small Molecule ◽  
Organic Solar Cell ◽  
Spectroscopy Analysis ◽  
Solution Processed ◽  
Impedance Spectroscopy Analysis

scholarly journals The Effect of Ca Dopant on the Electrical and Dielectric Properties of BaTi4O9 Sintered Ceramics

Materials ◽  
2021 ◽  
Vol 14 (18) ◽  
pp. 5375
Author(s):  
Asad Ali ◽  
Muhammad Hasnain Jameel ◽  
Sarir Uddin ◽  
Abid Zaman ◽  
Zafar Iqbal ◽  
...  
Keyword(s):  
Dielectric Constant ◽  
Energy Storage ◽  
Dielectric Properties ◽  
Dielectric Loss ◽  
Impedance Spectroscopy ◽  
Energy Loss ◽  
Interfacial Polarization ◽  
Storage Material ◽  
Energy Storage Material ◽  
The Impact

The current research examines the impact of Ca2+ substitution on the phase and electrical properties of (Ba1−xCax)Ti4O9, (x = 0.0, 0.3, 0.6, and 0.9) sintered pellets synthesized by solid-state reaction method. The as-synthesized samples were analyzed using X-ray diffraction (XRD) and impedance spectroscopy. The emergence of orthorhombic phase fit into space group Pnmm was revealed by XRD, and the addition of Ca resulted in a considerable shift in grain size. Dielectric properties were determined using an impedance spectroscopy in a wide frequency range from 1MHz to 3 GHz. The dielectric properties i.e., dielectric constant (εr) and dielectric loss (tanσ), were measured at 3 GHz frequency. The frequency-dependent parameters such as conductivity, dielectric constant, and dielectric loss indicated that the relaxation process is a Maxwell–Wagner type of interfacial polarization. The improved dielectric properties and low energy loss have made (Ba1−xCax)Ti4O9 a prominent energy storage material. This study provides the possibility to improve its dielectric properties and reduce energy loss, making it an excellent energy storage material.

Structure, Dielectric Properties and Impedance Spectroscopy of BaTi0.97(Zn,V,Ta)0.03O3 Ceramics

2020 ◽  
Vol 42 (2) ◽  
pp. 228-228
Author(s):  
Raz Muhammad Raz Muhammad ◽  
Sajid Ali Sajid Ali ◽  
Yaseen Iqbal Yaseen Iqbal ◽  
Amir Khesro and Muhammad Uzair Amir Khesro and Muhammad Uzair
Keyword(s):  
Raman Spectroscopy ◽  
Energy Storage ◽  
Dielectric Properties ◽  
Impedance Spectroscopy ◽  
Hysteresis Loops ◽  
Rietveld Analysis ◽  
Tetragonal Symmetry ◽  
X Ray Diffraction ◽  
Spectroscopy Analysis ◽  
Base Materials

BaTi0.97Zn0.01V0.01Ta0.01O3and#172; sample was prepared using the conventional mixed oxide sintering route. The samples were characterized using X-ray diffraction, Raman spectroscopy, Scanning Electron Microscopy and Impedance spectroscopy. Structure of the sample was analyzed using Rietveld analysis which showed the formation of tetragonal symmetry. Raman spectroscopy was also in agreement with the XRD results, further indicating the ferroelectric signature in the sample. Electrical microstructure analyzed by impedance spectroscopy analysis revealed two electroactive regions in the sample, belonging to the grain boundary and bulk. An extrinsic conduction mechanism was observed across the sample. Dielectric properties as a function of temperature demonstrated phase transition (TC) at ~ 94 and#176;C, with relative permittivity ~ 3280 at TC. Antiferroelectric-like double hysteresis loops were observed in P-E analysis. The energy storage density was calculated to be 0.26 J/cm3 at an electric field of 50 kV/cm, indicating that BaTi0.97Zn0.01V0.01Ta0.01O3and#172; ceramics can be potentially useful base materials for high density energy storage capacitors.

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