A5007699070- Carbon and Quantum Dots Applications
- Advanced Cellulose Research Studies
- biodegradable polymer synthesis and properties
- Advanced Photocatalysis Techniques
- Advanced Sensor and Energy Harvesting Materials
- Electrospun Nanofibers in Biomedical Applications
- Nanocluster Synthesis and Applications
- Polysaccharides Composition and Applications
- Lignin and Wood Chemistry
- Electrochemical sensors and biosensors
- Silicone and Siloxane Chemistry
- Advanced Nanomaterials in Catalysis
- Luminescence and Fluorescent Materials
- Thermochemical Biomass Conversion Processes
- Tactile and Sensory Interactions
- Polysaccharides and Plant Cell Walls
- Supercapacitor Materials and Fabrication
- Adsorption and biosorption for pollutant removal
- Polymer Nanocomposites and Properties
- Nanocomposite Films for Food Packaging
- Membrane Separation Technologies
- Graphene research and applications
- Heavy Metal Exposure and Toxicity
- Additive Manufacturing and 3D Printing Technologies
- Graphene and Nanomaterials Applications
Texas A&M University
2024-2025
Konkuk University
2017-2022
Konkuk University Medical Center
2021
Abstract The development of flexible and stretchable electronic devices is crucial for advanced electronics, which necessitate inductors with stable performance under deformation. This work presents the fabrication polymeric matrices 3D through a single‐step method via additive manufacturing. A multi‐jet modeling (MJM) type printer used to print rigid hybrid matrix by leveraging features high‐resolution multi‐component printing techniques. Owing presence access channels designed in multiple...
In the study, carbon dot (CD) with high fluorescence properties was obtained via one-step hydrothermal carbonization of food model and sandwich leftover, respectively. The data in article represent change chemical structure PL waste-driven (FWCDs). higher temperature, pyridinic N graphitic were increased while amino pyrrolic decreased. lifetime increase temperature. CD prepared from leftover showed dependency emission on exciting wavelength excellent Fe3+ sensitivity without significant...
Abstract A highly sensitive and multi-functional pressure sensor capable of continuous readings is greatly needed, particularly for precise gait pattern analysis. Here, we fabricate a reliable by employing eutectic gallium indium (EGaIn) liquid metal as the sensing material EcoFlex 00-30 silicone substrate, via low-cost process. The device architecture features microchannel, creating two independent devices, mechanical properties substrate contribute to high stretchability flexibility,...
In this article, carbon dots (CDs) are fabricated via hydrothermal carbonization (HTC) at different temperatures ranging from 120 to 210 °C. Regarding the temperature variations, they demonstrate a crucial role in specific identification ability differentiate chemical structures and optical properties of resulting CD features. Both heteroatoms‐doped core structure, functionalized surface state display changed that correlates with variations mentioned. The CDs which synthesized 180 °C contain...
Carbon dot (CD) obtained via one-step hydrothermal carbonization was attached to cellulose nanofiber (CNF) physical blending and in-situ synthesis. The data represent the morphological, chemical optical differences of samples, according amount introducing method CD. morphological durability samples also shown. water treatment membrane performance analysed using methylene blue as a representative pollutant. related article published in Carbohydr. Polym. 255 (2021) 117387.
Abstract Metal-free photocatalyst was synthesized by attaching carbon dot (CD) to cellulose nanofiber (CNF) via simple in-situ synthesis. The graphitic core and functional groups of CD on CNF controlled along the precursor concentration, while fibrous structure intact. optical property samples profoundly analyzed focusing electron recombination pathway. It reveals that excited electrons in transferred delayed radiative recombination. electron-hole pairs were efficiently separated composite...
Abstract In this study, the physical state of cellulose in solution was analyzed via rheological observations under three different conditions, i.e. steady state, small amplitude oscillatory shear, and large shear conditions. The states were changed from isotropic phase to gel structure liquid crystalline (LC) as concentration increased. analysis showed that 16 wt% physically gelled at anisotropic phase. This instantaneous gelation LC dramatically enhanced mechanical performance film...
이온성 액체 내 폴리사카라이드의 용해 공정으로 탄소점을 제조하였다. 기본 골격은 동일하나 서로 다른 기능기를 갖는 4종의 폴리사카라이드를 사용하여 고분자의 구조적 차이에 의한 탄소점의 구조 형성의 차이를 분석하였다. 내/외부 구조의 발달을 설명하기 위해 용해·분해 과정을 유변학적 거동을 통해 고찰하였다. 화학적/광학적 특성 분석 결과를 탄소점으로의 재축합 과정 중 고분자 기능기의 다이폴 모먼트(dipole moment) 따라 질소 도핑된 내부 조절이 가능하며, 고분자를 사용할 경우 표면에 가지는 탄소점 구조가 발현됨을 확인하였다. 이러한 고찰은 타 고분자에 적용되어 목적 지향적 발현을 위한 플랫폼으로 활용될 수 있을 것이다.
Abstract Metal-free photocatalyst was synthesized by attaching carbon dot (CD) to cellulose nanofiber (CNF) via simple in-situ synthesis. The graphitic core and functional groups of CD on CNF controlled along the precursor concentration, while fibrous structure intact. optical property samples profoundly analyzed focusing electron recombination pathway. It reveals that excited electrons in transferred delayed radiative recombination. electron-hole pairs were efficiently separated composite...