A5031149108- Conducting polymers and applications
- Organic Electronics and Photovoltaics
- Perovskite Materials and Applications
- Molecular Junctions and Nanostructures
- Preterm Birth and Chorioamnionitis
- Viral Infectious Diseases and Gene Expression in Insects
- Proteins in Food Systems
- Semiconductor materials and interfaces
- Thin-Film Transistor Technologies
- Fullerene Chemistry and Applications
- Food Allergy and Anaphylaxis Research
- Pregnancy-related medical research
- Chalcogenide Semiconductor Thin Films
- RNA Interference and Gene Delivery
- Protein Hydrolysis and Bioactive Peptides
- Food Chemistry and Fat Analysis
- Neonatal and Maternal Infections
- Food Quality and Safety Studies
- Silicon Nanostructures and Photoluminescence
- Advancements in Semiconductor Devices and Circuit Design
- Intraoperative Neuromonitoring and Anesthetic Effects
- Enzyme Production and Characterization
- Ginseng Biological Effects and Applications
- Nausea and vomiting management
- Iron Metabolism and Disorders
Korea Research Institute of Chemical Technology
1998-2024
Korea University of Science and Technology
2015-2020
Government of the Republic of Korea
2016-2020
Daejeon University
2016-2020
Samsung (South Korea)
2020
Samsung Medical Center
2018
Inha University Hospital
2017
Seoul National University
2015
Boramae Medical Center
2015
Seoul Metropolitan Government
2015
We studied fullerene-free organic solar cells using rhodanine-terminated BDT3TR and O-IDTBR.
Solution‐processed organic solar cells are promising owing to their light weight, ease of processability, low cost, flexibility, and large‐area fabrication. Particularly, small‐molecule active materials have been recently developed using straightforward synthesizing methods, exhibiting the least batch‐to‐batch variation in physical optoelectronic properties highly reproducible efficiency. A series 2D‐BDT‐based with various numbers benzodithiophene (BDT) units how number 2D‐BDT influences...
Ternary-blend organic solar cells based on a novel asymmetric non-fullerene acceptor (T2-OEHRH) processed from non-halogenated solvent exhibit impressive PCEs of 12.10% and 9.32% in small- large-area devices, respectively.
Interfacial modulation is crucial for optimizing charge carrier management and thwarting undesired ion-metal diffusion in perovskite photovoltaics. This study highlights a groundbreaking approach, employing semiconducting perylene-diimide (PDINN) as cathode interlayer (CIL) an inverted tin halide solar cell (THPSC). PDINN imparts the THPSCs with remarkable efficiency rate of 13.05% well substantial stability, achieving best performance among reported thus far. The incorporation improves...
A series of four donor-acceptor alternating copolymers based on dialkyloxy-benzothiadiazole (ROBT) as an acceptor and thienoacenes donor units were synthesized tested for polymer solar cells (PSCs). These new polymers had different with varied electron-donating ability (thieno[3,2-b]thiophene (TT), dithieno[3,2-b:2',3'-d]thiophene (DTT), benzo[1,2-b:4,5-b']dithiophene (BDT), naphtha[1,2-b:5,6-b']dithiophene (NDT)) in the backbone. To understand effect these optoelectronic photovoltaic...
ABSTRACT: A substantial portion of the human population has immune hypersensitivities to various food materials. Soybean is one most common foods involved in such hypersensitivity reactions, especially younger children. In this study, we investigated effect peptic and chymotryptic hydrolysis on allergenicity 11S soybean globulin, which primary allergen. The globulin composed both acidic basic polypeptides, found that polypeptide was effectively hydrolyzed, while more resistant hydrolysis....
A simple-structured nonfullerene acceptor (NFA), T2-ORH, consisting of a bithiophene core and octyl-substituted rhodanine ends is utilized as the third component in ternary-blend solar cells with PTB7-Th EH-IDTBR host materials.
A–D–A′–D–A-type nonfused-ring acceptors (NFRAs) have recently received extensive attention because of their suitable tuning absorption spectra, frontier energy levels, and promising sunlight harvesting capability. However, no has yet been paid to the effects A′ core substitutions on optoelectronic, morphological, photovoltaic properties in high-performance organic solar cells (OSCs). In this work, deeply understand electron-donating electron accepting core, we designed synthesized three...
Most non-fullerene acceptors (NFAs) are designed in a complex planar molecular conformation containing fused aromatic rings high-efficiency organic solar cells (OSCs). To obtain the final molecules, however, numerous synthetic steps necessary. In this work, novel simple-structured NFA alkoxy-substituted benzothiadiazole and rhodanine end group (BTDT2R) is synthesized. We also investigate photovoltaic properties of BTDT2R-based OSCs employing representative polymer donors (wide band gap...
Conjugated linoleic acid (CLA) and gamma-linolenic (GLA) were encapsulated with hydrated zinc oxide nanoparticles in an effort to improve their time thermal stability. Encapsulated nonencapsulated CLA GLA stored at 20, 30, 40, 50 degrees C for 49 d. At various points, extracted, methylated, analyzed using GC-FID. Both control stable when 40 up However, was 100% degraded after 28 d C, whereas Similarly, both 20 d, but 92% 30 C; C. Therefore, nanoencapsulation improves the temperature stability of GLA.
Highly efficient and stable BDT2TR:PNDI-2T organic solar cells are investigated. Although this system shows a PCE of 4.43%, significant enhancements observed in the thermal stability, high thickness tolerance, flexibility as compared with PC<sub>71</sub>BM-based cells.
A newly synthesized small molecule donor, <bold>BDTT-2DPPBFu</bold>, is designed for incorporation into the photo-active layer in solution-processed organic photovoltaics (SM-OPVs).
The fused thiophene derivative as a π-bridged moiety affects optical/electrochemical properties, intermolecular packing, and charge carrier transporting behavior in small molecule (SM) donor. In this work, we developed wide-bandgap SM donors, SM1 to SM4, containing different π-extended conjugation bridges successfully utilized them for all organic solar cells (ASM OSCs). By replacing the π-bridge from nonfused fully fused, light absorption frontier molecular orbital properties were modulated...
Abstract Fluorination has been established as an effective structural modification strategy to influence properties and attracted attention in organic solar cells. Here, we design synthesize three fused‐ring electron acceptors based on ladder‐type pentacyclic heteroacenes the electron‐rich unit 1,1‐dicyanomethylene‐3‐indanones with 0–2 fluorine substituents electron‐deficient units. Among these molecules, two nonfullerene acceptor, DTP‐2F exhibit strong absorption high extinction...
For the first time FDSOI CMOS transistors with Si-monocrystalline channel have been fabricated at a temperature below 500°C. High performance PMOS (Ion=450μA/μm (Vdd −0.9V) @ Ioff=2nA/μm Lg=35nm) low overlap capacitance (0.46fF/μm per device), gate resistance (10Ω) Low Temperature (LT) enables to achieve good RF Figure-Of-Merit (FOM) Fmax values up 170GHz. In addition, we demonstrate for full functionality of Ring Oscillators (RO) and SRAM bitcells processed 500°C, paving way...
A non-fullerene small molecule acceptor, SF-HR composed of 3D-shaped spirobifluorene and hexyl rhodanine, was synthesized for use in bulk heterojunction organic solar cells (OSCs). It possesses harmonious molecular aggregation between the donor due to interesting diagonal shape SF-HR. Furthermore, energy level matches well with that polymer, poly(3-hexyl thiophene) (P3HT) this system which can affect efficient charge transfer transport properties. As a result, OSCs made from P3HT:SF-HR...
Human tumour necrosis factor‐beta (TNF‐beta) was produced in eukaryotic cells using the insect baculovirus cloning and expression system. A novel signal sequence, honey‐bee (Apis mellifera) prepromelittin secretory used to aid post‐translational modifications, glycosylation secretion of recombinant human TNF‐beta. TNF‐beta cDNA cloned vector pAcC4s. Expression regulated by Autographa californica nuclear‐polyhedrosis‐virus polyhedrin promoter. The 5′ end fused sequence on vector. Insect...
The advance of nonfullerene acceptors (NFAs) has accelerated the improvement photovoltaic performance organic solar cells (OSCs). However, most NFAs are suggested as a multisynthesized planar molecular backbone structure containing fused conjugated rings. Therefore, nonfused (n-FNFAs) have recently been extensively studied and reported an alternative strategy fused-NFAs (FNFAs) by providing synthetic simplicity fine-tuning optical properties energy levels. In addition, highly strong...
Phosphate groups (negatively charged chemical groups) were grafted onto the surface of cellulose membranes by a reaction between hydroxyl and phosphorus pentoxide to observe effect phosphate on cellular behavior. X-ray photoelectron spectroscopy (XPS) was used determine phosphorylation. Captive bubble contact angle measurement wettability. XPS also analyze serum protein adsorption. Chinese hamster ovary (CHO) cells maintained in Ham's F-12 nutrient mixture with without fetal calf serum....
In this study, we applied a strategy which is systematically varying the central' core in non-fused NFA structure to modulate optical-electrochemical properties and photovoltaic performance. The optical structural calculation was analyzed via UV–Vis spectroscopy DFT calculation. results exhibit that strong NIR absorption good planar backbone on those NFAs. Consequently, device based TT linked acceptor delivered promising efficiency of 8.37% for as-cast device. These suggest change central...
Background Postoperative nausea and vomiting (PONV) is one of the major concerns after anesthesia surgery, it may be more frequent in orthopedic patients receiving patient-controlled epidural analgesia (PCEA). The purpose this study was to compare effect palonosetron dexamethasone on prevention PONV undergoing total joint arthroplasty PCEA. Methods Patients scheduled for hip or knee under spinal anesthesia/PCEA were randomly allocated receive either intravenous (0.075 mg, n = 50) (5 50)....