A5015750432- Advanced Sensor and Energy Harvesting Materials
- Conducting polymers and applications
- Tactile and Sensory Interactions
- Innovative Energy Harvesting Technologies
- Ferroelectric and Piezoelectric Materials
- Dielectric materials and actuators
- Supercapacitor Materials and Fabrication
- Microwave Dielectric Ceramics Synthesis
- Dielectric properties of ceramics
- Advanced Thermoelectric Materials and Devices
- ZnO doping and properties
- Nanowire Synthesis and Applications
- Green IT and Sustainability
- Multiferroics and related materials
- Semiconductor materials and interfaces
- Light effects on plants
- Electrospun Nanofibers in Biomedical Applications
- Perovskite Materials and Applications
- Edible Oils Quality and Analysis
- Impact of Light on Environment and Health
- Layered Double Hydroxides Synthesis and Applications
- Optical Wireless Communication Technologies
- Cassava research and cyanide
- Electrochemical sensors and biosensors
- X-ray Diffraction in Crystallography
King Mongkut's Institute of Technology Ladkrabang
2018-2025
King Mongkut's University of Technology North Bangkok
2019-2025
Bangkok University
2019
Naresuan University
2017-2018
Naresuan University Hospital
2015
In order to commercialize the rapidly developing technology of energy harvesters, following devices need be developed further for enhancing output performance, flexibility, scalability, facile fabrication, and cheaper price. The composite-based triboelectric nanogenerator (CTENG), which contains above properties, is a promising that has attracted special interest decade. Focus been placed on hybrid concept between piezoelectric (CPENG) CTENG in enhance efficiency. This study presented...
Abstract There is a need to develop inexpensive, lightweight, and flexible high‐performance triboelectric nanogenerators (TENGs) from renewable resources. Here, multifunctional cellulose filter paper (CFP)‐based TENG consisting of dielectric Ti 0.8 O 2 nanosheets (Ti NSs) conducting Ag nanoparticles (Ag NPs) prepared by simple dip coating method. The incorporation NSs onto the CFP significantly improves charge generation, while inclusion NPs provides an electrically conductive path for...
This research successfully demonstrated a facile, effective and scalable preparation of BaTiO<sub>3</sub> nanowires (BT-NWs) <italic>via</italic> the template-free salt flux assisted method. High-performance lead-free flexible piezoelectric nanogenerator using BT-NWs was proposed in this work.
Abstract The emergence of tribovoltaic nanogenerators (TVNGs) paves the way for developing a new kind semiconductor‐based energy harvester that overcomes restriction low output current in conventional approach. traditional TVNG generally depends on frictional pair between two rigid semiconductors (or metal‐semiconductor), limiting practicability flexible and portable electronics. Recent developments require fundamental understanding charge generation diverse operating modes structures. Here,...
Abstract Droplet‐based electricity generators (DEGs) harness liquid‐solid electrification to convert water droplets impacts into electrical energy. This study systematically examines how droplet height, volume, flow rate, and substrate tilt angle influence DEG performance using polytetrafluoroethylene (PTFE) as a triboelectric layer deionized water. Three electrode designs (double, top, bottom) are evaluated, revealing that the double‐electrode configuration delivers highest output. enhanced...
This study introduced a new facile roughness fabrication method for the triboelectric nanogenerator (TENG). Solid salt was applied to induce macroscopic triangle-like on material surface in which density could be controlled. Additionally, effect electrical property of TENG investigated. Three techniques were designed make textures materials by producing certain formations. The highest outputs (voltage and current) found device matching textures. Both output voltage current increased about 3...
In this paper, titanium dioxide nanosheets (Ti0.91O2 NSs) were incorporated into bacterial cellulose (BC) film for dielectric property tuning while maintaining the flexibility of resulting composite paper. By taking advantage improved constant, nanosheets/BC composites employed as capacitive sensors. The fabricated devices showed highest sensing performance ∼2.44 × 10-3 kPa-1 from 0 to 30 N when incorporating little 3 vol% Ti0.91O2 NSs (or ∼2 wt% Ti). Stable operation and high robustness...
The lepidocrocite-type layered alkali titanate AxMyTi2-yO4 has diverse chemical compositions with variation in charge per formula unit x, the interlayer cation A+, and intralayer metal M. Despite this multivariable nature, composition dependence of physical properties is not well explored. We report herein AC conductivity complementary dielectric Cs0.7M0.35Ti1.65O4, K0.8M0.4Ti1.6O4 (M = Zn, Ni), mixed-interlayer ion Cs0.6K0.1Zn0.35Ti1.65O4. For Cs0.7Zn0.35Ti1.65O4, total ∼7 × 10-8 to 2 10-6...
The tribovoltaic nanogenerator (TVNG) has evolved in recent years as a novel type of designed to address the limitations standard triboelectric terms output signal and charge generation. Besides outstanding characteristics, effect can also well be coupled with another further boost performance. In this work, we proposed firstly frictional heat-assisted performance enhancement dynamic Schottky contact from rubbing between n-type silver selenide (Ag2Se) aluminum. chemical composition physical...
The ubiquitous (re)adsorption of atmospheric water by functional ceramics leads to some applications such as humidity sensing; at the same time, this phenomenon complicates understanding nature original conducting species. We presented herein effects adsorbed on electrical properties and charge transport K0.8Zn0.4Ti1.6O4, Cs0.7Zn0.35Ti1.65O4, Cs0.6K0.1Zn0.35Ti1.65O4 lepidocrocite-type alkali titanate ceramics. A small amount (0.02–0.33 mol/mol) is merely external surface but not intercalated...
Owing to their structural advantages over bulk polymers, porous 3D substrates possess immense potential in triboelectric energy generation. This work reports the effective effort fabricate structure of polydimethylsiloxane, also known as sponge-PDMS, by a simple template method. The sodium chloride salt from commodity product is used create 300 μm size pores within PDMS elastomeric layers, turning affects mechanical deformability nanogenerator (TENG). inner face those composited with...
Spent bleaching earth (SBE) which is generated from process a valuable industrial waste of edible vegetable oil production because residual absorbed. The in spent can be recovered and reused for application the industries such as biodiesel lubricant. Currently, microwave-assisted extraction (MAE) technique widely used this method has shorter time less solvent consumption when compared with traditional methods. In study, MAE combined reflux was optimized using screening experiments response...
Triboelectric nanogenerators (TENGs) are crucial for applications such as smart sensors and bio-electronics. In the current work, we aimed improved performance of TENGs with incorporation BaTiO3powder, which is known its strong ferroelectric properties, combining it epoxy resin to improve flexibility our devices. We observed that can operate over 24 000 cycles no degradation function. Additionally, electrical by incorporating various aluminum concentrations change electronic properties in...
The phase and structural properties of [KNbO3]1−x - [BaNi0.5Nb0.5O3]x (KBNNO) perovskite powders with x = 0.1, which have been prepared by using the combustion technique, are reported. investigated calcination temperatures between 500°C 1000°C. structure is found for all samples. All main peaks in X-ray diffraction (XRD) patterns can be correlated KNbO3 cubic (JCPDS no. 08-0212). Highly pure crystalline sample calcined at 650°C, about 100 – 250°C lower than that conventional solid-state...
Lead-free [KNbO3]0.9 – [BaNi0.5Nb0.5O3]0.1 (KBNNO) perovskite powders are synthesized by the solid-state combustion technique. Phase identification and crystal structure change at various calcination temperatures Tcal carried out X-ray diffraction (XRD) Local distortion is studied absorption spectroscopy (XAS) for revealing near-edge (XANES) extended fine (EXAFS). The XRD result shows that of KBNNO changes from pseudo-cubic to weakly tetragonal when temperature increases. extracted...