A5056180066- Conducting polymers and applications
- Organic Electronics and Photovoltaics
- Advanced Sensor and Energy Harvesting Materials
- Advanced Memory and Neural Computing
- Perovskite Materials and Applications
- Luminescence and Fluorescent Materials
- Semiconductor materials and devices
- Quantum Dots Synthesis And Properties
- Organic Light-Emitting Diodes Research
- Analytical Chemistry and Sensors
- Electrospun Nanofibers in Biomedical Applications
- Photoreceptor and optogenetics research
- Polymer composites and self-healing
- Advanced Polymer Synthesis and Characterization
- Advancements in Battery Materials
- Carbon and Quantum Dots Applications
- TiO2 Photocatalysis and Solar Cells
- Advanced Battery Materials and Technologies
- Supramolecular Self-Assembly in Materials
- Block Copolymer Self-Assembly
- Synthesis and properties of polymers
- Optical properties and cooling technologies in crystalline materials
- Thin-Film Transistor Technologies
- Molecular Sensors and Ion Detection
- Polydiacetylene-based materials and applications
National Cheng Kung University
2020-2025
National Taiwan University
2014-2025
National Taiwan University of Science and Technology
2017-2025
Tamkang University
2024
Cathay General Hospital
2024
The University of Melbourne
2024
Far Eastern Memorial Hospital
2023
An-Nan Hospital
2022
China Medical University
2022
Sengkang General Hospital
2021
A self-healing dielectric elastomer is achieved by the incorporation of metal-ligand coordination as cross-linking sites in nonpolar polydimethylsiloxane (PDMS) polymers. The ligand 2,2'-bipyridine-5,5'-dicarboxylic amide, while metal salts investigated here are Fe(2+) and Zn(2+) with various counteranions. kinetically labile between bipyridine endows polymer fast ability at ambient condition. When integrated into organic field-effect transistors (OFETs) gate dielectrics, FeCl2 ZnCl2...
Solution-processed hybrid organic-inorganic lead halide perovskites are emerging as one of the most promising candidates for low-cost light-emitting diodes (LEDs). However, due to a small exciton binding energy, it is not yet possible achieve an efficient electroluminescence within blue wavelength region at room temperature, necessary full-spectrum light sources. Here, we demonstrate LEDs based on colloidal, quantum-confined 2D perovskites, with precisely controlled stacking down...
Pure green light-emitting diodes (LEDs) are essential for realizing an ultrawide color gamut in next-generation displays, as is defined by the recommendation (Rec.) 2020 standard. However, because human eye more sensitive to spectral region, it not yet possible achieve ultrapure electroluminescence (EL) with a sufficiently narrow bandwidth that covers >95% of Rec. standard CIE 1931 space. Here, we demonstrate efficient, EL based on colloidal two-dimensional (2D) formamidinium lead bromide...
A molecular nano‐floating gate (NFG) of pentacene‐based transistor memory devices is developed using conjugated polymer nanoparticles (CPN) as the discrete trapping sites embedded in an insulating polymer, poly (methacrylic acid) (PMAA). The polyfluorene (PF) and poly(fluorene‐alt‐benzo[2,1,3]thiadiazole (PFBT) with average diameters around 50–70 nm are used charge‐trapping sites, while hydrophilic PMAA serves a matrix tunneling layer. By inserting PF floating gate, device reveals...
Solution-processable organic-inorganic hybrid perovskite materials with a wealth of exotic semiconducting properties have appeared as the promising front-runners for next-generation electronic devices. Further, regarding its well photoresponsibility, various perovskite-based photosensing devices are prosperously developed in recent years. However, most exploited to date only transiently transduce optical signals into electrical circuits while under illumination, which necessitates using...
Abstract Organic semiconducting donor–acceptor polymers are promising candidates for stretchable electronics owing to their mechanical compliance. However, the effect of electron‐donating thiophene group on thermomechanical properties conjugated has not been carefully studied. Here, thin‐film investigated diketopyrrolopyrrole (DPP)‐based with varying numbers isolated moieties and sizes fused rings in polymer backbone. Interestingly, it is found that these units act as an antiplasticizer,...
Abstract Mechanical failure of π‐conjugated polymer thin films is unavoidable under cyclic loading conditions, due to intrinsic defects and poor resistance crack propagation. Here, the first tear‐resistant room‐temperature self‐healable semiconducting composite presented, consisting conjugated polymers butyl rubber elastomers. This new displays both a record‐low elastic modulus (<1 MPa) ultrahigh deformability with fracture strain above 800%. More importantly, behavior not sensitive...
Reported here are the nonvolatile electrical characteristics of pentacene‐based organic field‐effect transistor (OFET) memory devices created from green electrets sugar‐based block copolymer maltoheptaose ‐block‐ polystyrene (MH ‐b‐ PS), and their supramolecules with 1‐aminopyrene (APy). The very hydrophilic abundant‐hydroxyl MH is employed as a charge‐trapping site, while hydrophobic PS serves matrix well tunneling layer. orientation nanodomains could be controlled in random spheres,...
A simple and efficient strategy to modulate the self-assembly solid-state morphology of conjugated polymers has been developed by incorporating various amounts amide-containing alkyl side chains high charge carrier mobility based on diketopyrrolopyrrole (DPP). Synthetically easily accessible tunable, incorporation is a direct promote intermolecular hydrogen bonding between polymer tune morphology. Incorporation 5–30 mol % amides in was performed without drastic decrease solubility. The...
The design of polymer semiconductors possessing high charge transport performance, coupled with good ductility, remains a challenge. Understanding the distribution and behavior both crystalline domains amorphous regions in conjugated films, upon an applied stress, shall provide general guiding principles to stretchable organic semiconductors. Structure–property relationships (especially side chain backbone engineering) are investigated for series poly(tetrathienoacene‐diketopyrrolopyrrole)...
Abstract A novel approach for using conjugated rod–coil materials as a floating gate in the fabrication of nonvolatile photonic transistor memory devices, consisting n‐type Sol‐PDI and p‐type C10‐DNTT, is presented. C10‐DNTT are used dual functions charge‐trapping (conjugated rod) tunneling (insulating coil), while BPE‐PDI DNTT employed corresponding transporting layers. By same rod layer channel with self‐assembled structure, both devices exhibit fast response, high current contrast between...
The solid‐state packing and polymer orientation relative to the substrate are key properties control in order achieve high charge carrier mobilities organic field effect transistors (OFET). Intuitively, shorter side chains expected yield higher because of a denser solid state motif ratio transport moieties. However our findings suggest that chain plays crucial role high‐performing diketopyrrolopyrrole‐based polymers. By synthesizing series DPP‐based polymers with different branched alkyl...
Quantum dot (QD) light-emitting diodes (LEDs) are emerging as one of the most promising candidates for next-generation displays. However, their intrinsic light outcoupling efficiency remains considerably lower than organic counterpart, because it is not yet possible to control transition-dipole-moment (TDM) orientation in QD solids at device level. Here, using colloidal lead halide perovskite anisotropic nanocrystals (ANCs) a model system, we report directed self-assembly approach form...
Colloidal metal halide perovskite (MHP) nanocrystals (NCs) are an emerging class of fluorescent quantum dots (QDs) for next-generation optoelectronics. A great hurdle hindering practical applications, however, is their high lead content, where most attempts addressing the challenge in literature compromised material's optical performance or colloidal stability. Here, we present a postsynthetic approach that stabilizes lead-reduced MHP NCs through high-entropy alloying. Upon doping with...
It is discovered that the memory‐type behaviors of novel carbohydrate‐ block ‐polyisoprene (MH‐ b ‐PI) copolymers‐based devices, including write‐once‐read‐many‐times, Flash, and dynamic‐random‐access‐memory, can be easily controlled by self‐assembly nanostructures (vertical cylinder, horizontal order‐packed sphere), in which MH PI blocks, respectively, provide charge‐trapping stretchable function. With increasing flexible length, stretchability designed copolymers significantly improved up...
Abstract Nano-floating gate memory devices (NFGM) using metal nanoparticles (NPs) covered with an insulating polymer have been considered as a promising electronic device for the next-generation nonvolatile organic applications NPs. However, transparency of NPs is restricted to 60~70% due light absorption in visible region caused by surface plasmon resonance effects To address this issue, we demonstrate novel NFGM blends hole-trapping poly (9-(4-vinylphenyl) carbazole) (PVPK) and...
The first low-dimensional semiconductor nanocrystal system that increases the photoluminescence quantum yield in aggregates.
Organic nonvolatile transistor memory devices of the n-type semiconductor N,N′-bis(2-phenylethyl)-perylene-3,4:9,10-tetracarboxylic diimide (BPE-PTCDI) were prepared using various electrets (i.e., three-armed star-shaped poly[4-(diphenylamino)benzyl methacrylate] (N(PTPMA)3) and its blends with 6,6-phenyl-C61-butyric acid methyl ester (PCBM), 6,13-bis(triisopropylsilylethynyl)pentacene (TIPS-pen) or ferrocene). In device PCBM:N(PTPMA)3 blend electret, it changed feature from a...
Semiconducting polymers, in contrast to inorganic silicon, are solution processable and can potentially be printed cost efficiently on flexible large‐area substrates. However do so it is of paramount importance formulate the polymeric semiconductors into inks with specific viscosities. Herein, synthesis a new highly soluble isoindigo monomer its incorporation low bandgap semiconducting polymers presented. Non‐conjugated linkers introduced conjugated backbone order modulate materials...
The molecular structure of polymer electrets is crucial for creating diverse functionalities organic field-effect transistor (OFET) devices. Herein, a conceptual framework has been applied in this study to design the highly photoresponsive carbazole-based copolymer electret materials application OFET memory. As an layer, two 1,8-carbazole-based copolymers were utilized; copoly(CT) consisted carbazole as donor group and thiophene π-spacer, whereas copoly(CBT) was further introduced acceptor...
Oligosaccharides are one of the most promising biomaterials because they abundant, renewable, diversified, and biosourced. The use oligo- or polysaccharides for high-performance non-volatile organic field-effect-transistor memory is demonstrated herein. charge-storage mechanism attributed to charged hydroxyl groups that induce stronger hydrogen bonding, thus leading stabilization trapped charges. This study reveals a future green devices. As service our authors readers, this journal provides...
An efficient strategy to modify the mechanical properties of conjugated polymers has been developed through incorporation amide moieties.