Showing posts with label Polyaniline (PANI). Show all posts
Showing posts with label Polyaniline (PANI). Show all posts

Thursday, 16 November 2023

Optimizing the Performance of PAni@TiO2Bulk Heterojunction-Based Photovoltaic Cells via Various TiO2Nano-Sphere Levels | Chapter 2 | Current Innovations in Chemical and Materials Sciences Vol. 3

 As a tenable energy beginning, solar containers are essential for addressing and reducing the results of climate change by restricting the consumption of hydrocarbon deposits. Based on this purpose, solar containers based on basic compounds have piqued the interest of researchers on account of their low cost, extraordinary performance, and sustainability. Variable quantities of TiO2 nanoparticles (NPs) inside the PAni cast were employed to increase the conduct of organic containers by modifying the properties of the photoactivated polyaniline-titanium dioxide (PAni-TiO2) nanocomposite coating. Polymer solar containers were created in this place study employing the FTO/(PAni-TiO2)/Ag blend. The structural evolution, surface characteristics, optical and energetic properties of PAni-TiO2 films have all existed investigated. The XRD patterns disclosed that the crystallite size decreases evenly with TiO2 NPs concentration in the PAni form, from 18.7 to 12.8 nm. Furthermore, the surface of the extremely condensed films was rougher and more absorbent than it was for the pristine film. The adeptness of PAni-TiO2 based composite containers increased from 0.33 to 0.85% when different amounts of TiO2 NPs were additional into the PAni framework. This judgment is primarily deducible to a structural shift followed by a significant rise in coarseness scales, which resulted in a decrease in mirrored photons and, as a result, an increase in free one who carries or transmits something formation.

Author(s) Details:

M. Abdelhamid Shahat,
PV Unit, Solar and Space Research Department, National Research Institute of Astronomy and Geophysics (NRIAG), 11421 Helwan, Cairo, Egypt.

Ahmed Ghitas,
PV Unit, Solar and Space Research Department, National Research Institute of Astronomy and Geophysics (NRIAG), 11421 Helwan, Cairo, Egypt.

Please see the link here: https://stm.bookpi.org/CICMS-V3/article/view/12416

Wednesday, 4 May 2022

Performance Enhancement of Organic Solar Cells via Modification of the PAni-TiO2 Interface with Hydrogen Plasma Treatment | Chapter 07 | Recent Trends in Chemical and Material Sciences Vol. 8

 The performance of polyaniline (PAni)-based photoactive layers, which are one of the cheapest materials utilised in the fabrication of organic solar cells, is still being researched. An ITO/(PAni-TiO2)/Au combination was used to make polymer solar cells. The photoactive layers (PAni-TiO2) were treated with a hydrogen-plasma discharge for short periods of time to improve the efficiency of the synthesised solar cells (0, 3, and 5 minutes). Prepared samples and plasma-treated nanocomposite layers were analysed and discussed in terms of shape, microstructure, and optical characteristics. The performance of bulk heterojunction (BHJ) cell samples was thoroughly investigated before and after plasma treatment. The absorbance and optical band gap energy of the PAni-TiO2 photoactive films increased when they were treated. The efficiency climbed to 0.7 percent after 5 minutes of hydrogen plasma processing, compared to 0.36 percent for the pristine cell. A structural change was accompanied by a quick increase in surface roughness, which resulted in a reduction in reflected photons and, as a result, a rise in produced charge carriers.


Author(S) Details

M. Abdelhamid Shahat
PV Unit, Solar and Space Research Department, National Research Institute of Astronomy and Geophysics (NRIAG), Helwan, Cairo, Egypt.

Ahmed Ghitas
PV Unit, Solar and Space Research Department, National Research Institute of Astronomy and Geophysics (NRIAG), Helwan, Cairo, Egypt.

F. M. El-Hossary
Physics Department, Faculty of Science, Sohag University, Sohag, Egypt.

A. M. Abd El-Rahman
Physics Department, Faculty of Science, Sohag University, Sohag, Egypt and King Abdulaziz University, Jeddah, KSA.

View Book:- https://stm.bookpi.org/RTCAMS-V8/article/view/6540

Saturday, 19 June 2021

Recent Study of AC Electrical Behavior of Iron Nanoparticle Decorated Polymer Composite | Chapter 10 | Current Perspectives on Chemical Sciences Vol. 11

 According to the reviews, this study was based on current efforts and breakthroughs in customizing nano-scale structures of nanostructured conducting polymer materials to improve electrical characteristics. The purpose of this study is to look into the a.c electrical response of a PANI/FeNP/Graphene composite created in-situ with adhathodavasica plant extract in an ice-cold bath The samples were characterized using techniques such as FT-IR and SEM. AC conductivity measurements were taken at 298K using an HIOKI 3532-50 LCR Hi-tester in the frequency range 5x101–5x106 Hz. SEM images show the layered structure of graphene nanosheets in the composite. The uniform distribution of iron nanoparticles throughout the PANI matrix, as well as the frequency of imine stretching, are characteristics of IR spectral data. The investigation of a.c conductivity provides evidence for the transport properties of composites. AC conductivity values increase as graphene content in the PANI/FeNP/Graphene composites increases stepwise.


Author (s) Details

Ms. Sreeraksha
Department of Chemistry, NMKRV College for Women, Bangalore, Karnataka, India.

Ms. Navya
Department of Chemistry, NMKRV College for Women, Bangalore, Karnataka, India

Dr. K. Vinay
Department of Chemistry, Channabasaveswara Institute of Technology, Gubbi, Karnataka, India.

Dr. Y. T. Ravikiran
Department of PG Studies and Research in Physics, Govt. Science College, Chitradurga, Karnataka, India.

Dr. M. Revanasiddappa
Department of Chemistry, PES University South Campus, Bangalore, Karnataka, India.

View Book :- https://stm.bookpi.org/CPCS-V11/article/view/1579