A5069909717- Conducting polymers and applications
- Analytical Chemistry and Sensors
- Electrochemical sensors and biosensors
- Advanced Chemical Sensor Technologies
- TiO2 Photocatalysis and Solar Cells
- Gas Sensing Nanomaterials and Sensors
- Advanced Photocatalysis Techniques
- Analytical chemistry methods development
- Electrochemical Analysis and Applications
- Adsorption and biosorption for pollutant removal
- Pharmaceutical and Antibiotic Environmental Impacts
- Per- and polyfluoroalkyl substances research
- Nanocomposite Films for Food Packaging
- Botanical Research and Applications
- Advanced Sensor and Energy Harvesting Materials
- Drug Solubulity and Delivery Systems
- Organic Electronics and Photovoltaics
- Membrane Separation Technologies
- Forensic Toxicology and Drug Analysis
- Ionic liquids properties and applications
- Graphene and Nanomaterials Applications
- Extraction and Separation Processes
- Electromagnetic wave absorption materials
- Heavy metals in environment
- Analytical Chemistry and Chromatography
Malaysia Theological Seminary
2018-2024
Universiti Teknologi MARA
2017-2024
University of Malaya
2013-2015
A β-cyclodextrin (β-Cyd) inclusion complex containing azomethine as a guest was prepared by kneading method with aliquot addition of ethanol. The product characterized Fourier Transform Infrared (FTIR) spectrometer, 1H Nuclear Magnetic Resonance (1H NMR) and Thermogravimetric Analyzer (TGA), which proves the formation where benzyl part has been encapsulated hydrophobic cavity β-Cyd. interaction β-Cyd also analyzed means spectrometry UV-Vis spectrophotometer to determine constant. constant...
In order to obtain efficient microwave absorbers that possess high conductivity, dielectric and magnetic properties, hexanoic acid doped polyaniline (PAni) nanocomposites which contain different ratios of ferum (II) oxide (Fe3O4) titanium dioxide (TiO2) nanoparticles were successfully prepared by in situ chemical polymerization through template free method. Chemical structure, morphology, thermal stability, amorphous/crystalline behavior PAni characterized Fourier transform infrared...
Abstract A simple, cost‐effective, and novel chemical sensor for ammonia (NH 3 ) gas detection was developed from polyaniline (PANI)/quail eggshell (QES) composites. QES is a natural waste enriched in calcium carbonate. In this work, pure PANI synthesized oxidation method PANI/QES composites were prepared physical mixing of with the at different mass ratio. series complementary techniques including Fourier transform infrared ultraviolet‐visible spectrometers, scanning electron microscope...
ABSTRACT In this study, a simple and cost effective chemical sensor for hydrazine detection was developed using polyaniline (PAni). PAni synthesized via oxidative method at different polymerization temperatures (−10, −5, 0, 25°C) in the presence of sodium dioctyl sulfosuccinate (AOT) as dopant. The effect temperature on performance evaluated. response analyzed UV–Vis spectrometer, where there is notable decrease polaron peak ∼780 nm after exposed to hydrazine. reduction attributed...
In this study, novel Polyaniline (PAni)/TiO 2 nanocomposites were applied on fluoride‐doped tin oxide (FTO) glass to act as an efficient counter electrode in dye‐sensitized solar cell (DSSC) application. PAni/TiO synthesized via chemical oxidation process using di‐2‐ethylhexylsulfosuccinate sodium salt (NaDEHS) dopant. The characterized fourier transform infrared and ultraviolet‐visible spectrometers. the application of PAni cell, film showed poor adhesion FTO glass. Palm oil‐based alkyd was...
Polyaniline (PAni) is one of the versatile conducting polymers due to inexpensive monomer, environmental benign, high conductivity and easy preparation.In this study, PAni was doped by dioctyl sulfosuccinate sodium (AOT) enhance processability in gas sensor detection.PAni/AOT synthesised via in-situ polymerisation at 0°C for 24 h presence potassium peroxydisulfate (KPS).The characterisations were done Fourier transform infrared (FTIR) ultravioletvisible (UV-Vis).FTIR spectra depict main...
This study focuses on the measurement and performance of bio-filler composite based polyaniline (PANI)/chicken eggshell (CES). The films were prepared via ex-situ polymerisation using DBSA as its dopant. PANI solution was distributed equally before mixing it with three different ratios CES powder. Characterisations analysed Fourier-transform infrared spectroscopy (FTIR) Ultraviolet-visible (UV-Vis), Scanning electron microscope/energy dispersive x-ray (SEM/EDX) multimeter. film that...
The present study demonstrates the self-assembly method of chemical oxidative polymerization polypyrrole (PPy), polypyrrole/boron nitride (PPy/BN), and polypyrrole/dodecylbenzene sulfonic acid/boron (PPy/DBSA/BN) thin films for ammonia (NH3) gas detection. PPy, PPy/BN, PPy/DBSA/BN were comprehensively characterized using Attenuated Total Reflectance Fourier-Transform Infrared Spectroscopy (ATR-FTIR), Scanning Electron Microscopy (SEM), X-ray diffractometry (XRD) conductivity measurement....
Abstract Recently, the importance of sustainable environment has been engaged in many science practices and learning. This article intends to provide teachers secondary school research beginners with knowledge background on conducting polymers (CPs) for its application environmental protection studies. A concise straightforward discussion basic concept CPs role as i) sensors gas pollutants ii) photocatalyst are explained. general workflow guide readers identifying validating suitable is...
Polyaniline (PANI) is one of the unique conducting polymers due to tunable conductivity, acid-base chemistry and optical properties. In this study, commercial PANI was used prepare PANI/shell composites enhance sensitivity in ammonia (NH 3 ) gas detection. Three types waste shells were utilized incorporate into matrix such as egg (ES), crab (CS) mussel (MS). The characterizations done by Fourier transform infrared (FTIR) ultraviolet-visible (UV-Vis) spectrophotometer. FTIR spectra confirmed...
Dragon fruit (Hylocereus polyrhizus) which comes from family of Cactaceae is one the tropical in Malaysia. The peels red dragon are possible sources betacyanin, responsible for red-violet color even though peel always regarded as a waste. objective this study to assess stability natural pigment extract fruits by using simple water extraction method and assessed ultraviolet-visible (UV-Vis) spectrometer. extracted pigments then were introduced several optimization conditions such time (1 – 6...
Polypyrrole/graphene oxide (PPy/GO) was synthesized and evaluated as an effective photocatalyst to degrade 2-chlorophenol from aqueous solution under solar light irradiation. The PPy/GO composite by the incorporation of PPy with GO using Hummer's method(s). Three different compositions composites were prepared varying ratio (1:1, 1:4, 9:1). Physicochemical properties pristine PPy, characterized FTIR, UV-Vis, XRD, SEM EDX. characterizations results revealed that successfully integrated in...
Magnetic nanoparticles (MNPs) coated polyaniline (PANI) was successfully synthesized and further used for removal of 2, 4-dinitrophenol. The presence PANI coatings on the surface MNPs confirmed by using Fourier Transform Infrared (FT-IR) Spectroscopy X-ray Diffractometry (XRD) analysis. (MNPs/PANI) showed higher capabilities to remove 2,4-dinitrophenol (2,4-DNP) via spectrophotometry at 358 nm Ultraviolet Visible (UV-Vis) Spectrophotometer. Different parameters such as pH, contact time,...
Abstract The present study highlights the sunlight-assisted photodegradation of methylene blue (MB) using tungsten disulphide/polypyrrole (WS 2 /PPy) composite as a photocatalyst. WS /PPy was prepared via oxidative polymerization ferric chloride (FeCl 3 ) an oxidant. Fourier Transform Infrared Spectroscopy (FTIR), X-ray diffraction (XRD) and Field Emission Scanning Electron Microscope (FESEM) measurement were used to ensure physicochemical properties /PPy. photocatalytic efficiencies...