Article
Chemistry, Inorganic & Nuclear
Yu-Hsuan Su, Wei-Liang Chen, Hye Ryung Byun, Yu-Fu Zhang, Min-Rui Zhuang, Yu-Cih Lin, Chung-Kai Chang, Po-Yuan Wang, Che-Cheng Lin, Kuang- Lin, Hsin-Kuan Liu, Min-Kai Lee, Joon Jang, Yu-Ming Chang, Kuei-Fang Hsu
Summary: A new copper indium selenide with an orthorhombic crystal structure was synthesized at 800 degrees C. It emits intense photoluminescence at 657 nm and exhibits a direct band gap with an energy close to the photoluminescence position. The compound also shows n-type conductivity and strong nonlinear third-harmonic generation.
INORGANIC CHEMISTRY
(2023)
Article
Nanoscience & Nanotechnology
Philipp Storm, Khanim Karimova, Michael Sebastian Bar, Susanne Selle, Holger von Wenckstern, Marius Grundmann, Michael Lorenz
Summary: This study investigates the potential of sodium chloride and sodium bromide template layers in suppressing the formation of rotational domains in CuI thin films. The results demonstrate that the use of a sodium bromide template layer enables fully single-crystalline growth of CuI thin films and significantly reduces surface roughness.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Physical
Dmytro Slobodzyan, Markiyan Kushlyk, Roman Lys, Josyp Shykorjak, Andriy Luchechko, Marta Zylka, Wojciech Zylka, Yaroslav Shpotyuk, Bohdan Pavlyk
Summary: The effect of a weak magnetic field and X-irradiation on the rearrangement of near-surface p-type silicon layers was studied. It was found that these external fields increase the positive accumulated charge in the spatial charge region and the SiO2 dielectric layer. Defects and impurities contribute to the generation of charge carriers, causing a deterioration in the rectifier properties of the silicon barrier structures.
Article
Engineering, Electrical & Electronic
[Anonymous]
Summary: Authors are requested to submit unpublished manuscripts for inclusion in an upcoming event.
IEEE TRANSACTIONS ON ELECTRON DEVICES
(2022)
Article
Physics, Applied
D. N. Lobanov, K. E. Kudryavtsev, M. Kalinnikov, L. Krasilnikova, P. A. Yunin, E. Skorokhodov, M. Shaleev, A. Novikov, B. A. Andreev, Z. F. Krasilnik
Summary: This study reports on stimulated emission (SE) in the near-infrared range from planar InGaN epitaxial layers grown on sapphire substrates. The research found that at temperatures around 190-210K, nonradiative recombination processes dominate the temperature quenching of stimulated emission. Different defect centers play a role in providing free electrons for both InN and InGaN layers, affecting the Shockley-Read-Hall (SRH) recombination rate at high temperatures.
APPLIED PHYSICS LETTERS
(2021)
Article
Multidisciplinary Sciences
Karukh A. Babakr, Omid Amiri, L. Jay Guo, Mohammad Ali Rashi, Peshawa H. Mahmood
Summary: Mechanical energy harvesting using piezoelectric materials for catalysis reactions shows great potential for environmental remediation. In this study, SbSI/Sb2S3 nanocomposites were synthesized as a catalyst and ZrO2 balls were used as an alternative mechanical force to ultrasonic vibration. The effects of different mechanical forces, the number of ZrO2 balls, and reaction temperature on the degradation efficiency were investigated. The use of ZrO2 balls resulted in a 47% enhancement in degradation efficiency compared to ultrasonic vibration at 30 +/- 5 degrees C.
SCIENTIFIC REPORTS
(2022)
Article
Materials Science, Multidisciplinary
Olga Gyrdasova, Elizaveta Shalaeva, Vladimir N. Krasil'nikov, Larisa Yu Buldakova, Inna Baklanova, Marina A. Melkozerova, Mikhail Kuznetsov, Mikhail Yu Yanchenko
Summary: Solid solutions Zn1-xCuxO and/or core-shell type hybrid materials Zn1-xCuxO/CuxO were obtained by one-step thermolysis of Zn1-xCux(HCOO)(OCH2CH2O)(1/2) complexes. Copper acts as a promoter of the photoactivity and morphology of aggregates in these materials, with the concentration of Cu+ increasing in the transition from solid solutions to hybrid materials.
MATERIALS CHARACTERIZATION
(2021)
Article
Engineering, Multidisciplinary
Yuqi Wei, Md Maksudul Hossain, H. Alan Mantooth
Summary: In this article, the static and dynamic characterizations of semiconductors with different materials at room temperature and cryogenic temperature are evaluated and compared. The results show that silicon and gallium nitride-based semiconductors have improved performances at low temperature, while silicon carbide-based semiconductors exhibit reduced performance. These evaluation results can guide cryogenic power electronics applications and future semiconductor characterization research.
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS
(2023)
Article
Nanoscience & Nanotechnology
Kwang Choi, Min Ju Jeong, Seungmin Lee, Ghaida Alosaimi, Jan Seidel, Jae Sung Yun, Jun Hong Noh
Summary: In this study, a post-hot pressing (PHP) treatment was proposed to suppress halide segregation in wide-band-gap MHPs, resulting in improved efficiency and stability of the solar cells.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Inorganic & Nuclear
Mao-Yin Ran, Sheng-Hua Zhou, Wenbo Wei, Bang-Jun Song, Yong-Fang Shi, Xin-Tao Wu, Hua Lin, Qi-Long Zhu
Summary: In this study, two novel chalcohalides CdSnSX2 (X = Cl or Br) with unique two-dimensional neutral layers were successfully synthesized. These chalcohalides exhibit high visible-light-induced photocatalytic activity for rhodamine B degradation, showing a performance approximately 7.0 times higher than that of nitrogen-doped TiO2 under the same experimental conditions.
INORGANIC CHEMISTRY
(2021)
Article
Nanoscience & Nanotechnology
Samreen Khan, Frank Angeles, John Wright, Saurabh Vishwakarma, Victor H. Ortiz, Erick Guzman, Fariborz Kargar, Alexander A. Balandin, David J. Smith, Debdeep Jena, H. Grace Xing, Richard Wilson
Summary: The study aims to investigate the impact of bulk vibrational properties and interfacial structure on thermal transport at interfaces in wide band gap semiconductor systems. The results suggest that thermal conductance depends on the bulk phonon properties of the softer material and the interfacial structure, rather than just the vibrational similarity between the two materials.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Physics, Applied
A. Dive, J. Varley, S. Banerjee
Summary: The research highlights the importance of improving the front interface to enhance open-circuit voltage (V-OC) in state-of-the-art CdTe solar cells. Ga2O3-based buffer layers show promising results in passivating interfacial defects, leading to high V-OC, and alloys of In2O3 and Ga2O3 may be attractive alternatives to MgxZn1-xO for optimizing conduction-band offsets in high-efficiency CdTe thin-film solar cells.
PHYSICAL REVIEW APPLIED
(2021)
Review
Energy & Fuels
Yalin Wang, Yi Ding, Yi Yin
Summary: This review summarizes the recent progress in failure mechanisms, packaging reliability, and reliability models for predicting the remaining life of Wide Band Gap (WBG) power electronic devices. It provides valuable references for research in this field.
Article
Chemistry, Inorganic & Nuclear
Xiaoshuang Li, Fei Liang, Tianpeng Liu, Haifeng Li
Summary: By introducing halogens to the A/Ga/Q (A = Na, K; Q = S, Se) system, a new chalcohalide Na2GaS2Cl with a layered structure was successfully synthesized. This compound has a high concentration of Na+ cations and a large interlayer spacing, providing a favorable environment for Na+ ion storage and migration. Additionally, the band gap of Na2GaS2Cl is determined by [GaS4] groups and Na-Cl ionic bonding.
DALTON TRANSACTIONS
(2021)
Article
Engineering, Electrical & Electronic
Yu Chen, S. W. Fan, G. Y. Gao
Summary: Through first-principles calculations, it has been found that wide-gap semiconductor CaS is an ambipolar semiconductor with n-type and p-type conductivities achievable through doping. Thermodynamic simulations indicate that as the temperature increases, the doping concentrations and carrier densities continue to rise.
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING
(2022)
Article
Chemistry, Physical
Sanoj N. Rejinold, Goeun Choi, Huiyan Piao, Jin-Ho Choy
Summary: COVID-19 has highlighted the importance of developing new medications to combat the ongoing pandemic. Repurposing existing drugs, such as niclosamide, and using Zein nanoparticles coated with bovine serum albumin (BSA) to encapsulate the drug shows promise in improving drug stability and effectiveness in fighting the SARS-CoV-2 virus. The hybrid drug delivery system demonstrated smaller particle size, excellent colloidal stability, sustained drug release properties, and enhanced drug release behavior under serum conditions, which could be beneficial in treating severe COVID-19 patients with endothelial glycocalyx damage and cytokine storm related inflammations.
Article
Chemistry, Physical
N. Sanoj Rejinold, Huiyan Piao, Goeun Choi, Geun-Woo Jin, Jin-Ho Choy
Summary: The COVID-19 pandemic has affected millions worldwide, leading to a need for effective medication. Combining vaccination with antiviral drugs is crucial to combat new variants. Repurposing FDA-approved drugs like niclosamide and utilizing advanced nano-pharmaceutical approaches show promise in improving treatment outcomes.
CLAYS AND CLAY MINERALS
(2021)
Review
Biochemistry & Molecular Biology
N. Sanoj Rejinold, Goeun Choi, Jin-Ho Choy
Summary: Clay-based bio-inorganic nanohybrids, such as layered double hydroxides (LDH), have been extensively researched in the field of biomedicine for drug delivery and bio-imaging applications. Recent trends show that these materials can be hybridized with photo-active biomolecules to achieve selective anti-cancer effects through various photo/chemotherapies. The use of LDH enhances the stability and controllability of the therapies, improving overall phototherapeutic performance.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2022)
Article
Biochemistry & Molecular Biology
Seungjin Yu, Huiyan Piao, N. Sanoj Rejinold, Hanna Lee, Goeun Choi, Jin-Ho Choy
Summary: By designing a new inorganic-organic nanohybrids system, we have improved the efficacy of nicotinic acid and reduced the associated side effects.
Article
Polymer Science
Hyeon-Ju Ryu, Nguyen Thu Hang, Sanoj N. Rejinold, Byeongmoon Jeong, Goeun Choi, Jin-Ho Choy
Summary: Nanocomposites of hydrophobic organo-clay/polypropylene were efficiently developed through a solution-blending technique. Among the various clays used, CTA-Mica showed the best improvement in both thermal stability and mechanical properties of the PP nanocomposites compared to CTA-Mt and CTA-Ht.
Review
Biochemistry & Molecular Biology
Geun-Woo Jin, N. Sanoj Rejinold, Jin-Ho Choy
Summary: Polyphosphazenes (PPZs), with their structural flexibility and biodegradability, have attracted great interest as synthetic polymers in the field of biomedical science. The introduction of various functional groups has enabled the development of multi-functionalized PPZs, which have shown potential as biomaterials in the form of nanoparticles (NPs) and hydrogels for various applications such as drug delivery, bioimaging, phototherapy, bone regeneration, and dental liners.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2022)
Review
Polymer Science
Geun-Woo Jin, N. Sanoj Rejinold, Jin-Ho Choy
Summary: Polymeric micelles, as carriers for therapeutic compounds, have attracted attention due to their ability to solubilize poorly water-soluble drugs, biocompatibility, and accumulation in tumors. Additional functionality can be achieved through surface modification and stimuli-sensitive groups. This review highlights the development of multifunctional polymeric micelles in cancer therapy, including applications in tumor imaging and theragnosis.
Article
Materials Science, Biomaterials
Geun-Woo Jin, Goeun Choi, Huiyan Piao, N. Sanoj Rejinold, Shunsuke Asahina, Soo-Jin Choi, Hwa Jeong Lee, Jin-Ho Choy
Summary: Cancer therapies currently consist of surgery, radiation, chemotherapy, targeted therapy, and immunotherapy. Researchers have developed a new compound called polytaxel (PTX) that can potentially replace existing therapies by offering high anticancer efficacy and 100% survival rate without side effects. Proof-of-concept studies conducted on pancreatic cancer models showed that PTX inhibited tumors similarly to the commonly used drug docetaxel (DTX), but without the associated toxic side effects.
JOURNAL OF MATERIALS CHEMISTRY B
(2023)
Review
Chemistry, Multidisciplinary
Seungjin Yu, Goeun Choi, Jin-Ho Choy
Summary: Two-dimensional nanomaterials, especially layered double hydroxides (LDHs), have found extensive applications in biomedical field due to their biocompatibility, biodegradability, controllable drug release/loading ability, and enhanced cellular permeability. This review summarizes the synthetic strategies and therapeutic actions of single-function LDH-based nanohybrids, as well as the recently developed multifunctional systems for drug delivery and bio-imaging (from 2019 to 2023).
Article
Biophysics
Sanoj N. Rejinold, Huiyan Piao, Goeun Choi, Jin-Ho Choy
Summary: Rationally designed 100 nm sized curcumin loaded exfoliated layered double hydroxide nanoparticles (X-LDH/CRC-NPs) have been tested for their efficacy in treating non-small cell lung cancer (NSCLC) cell lines, resulting in increased apoptosis. Preclinical evaluation on a nude mouse model with A549 tumor confirmed the potential of X-LDH/CRC-NPs as a highly advantageous treatment for lung cancers.
COLLOIDS AND SURFACES B-BIOINTERFACES
(2023)
Article
Chemistry, Multidisciplinary
Goeun Choi, N. Sanoj Rejinold, Huiyan Piao, Young Bae Ryu, Hyung-Jun Kwon, In Chul Lee, Jeong In Seo, Hye Hyun Yoo, Geun-woo Jin, Jin-Ho Choy
Summary: The COVID-19 pandemic requires new orally administrable antiviral agents. The engineering of hydrophilic NIC-MgO-HPMC improves intestinal permeability and inhibits SARS-CoV-2 replication.
Article
Materials Science, Biomaterials
Ji-Yeong Kim, Hyun-Il Shin, Sang-Eun Lee, Huiyan Piao, N. Sanoj Rejinold, Goeun Choi, Jin-Ho Choy
Summary: Artesunic acid (AS(0)), a derivative of artemisinin, is a recommended drug for severe malaria treatment, but its use is limited. This study explores a novel 2D inorganic delivery system for AS(0) by immobilizing it into metal hydroxides to target red blood cells (RBCs). The results show that the nanohybrid drugs are haemo-compatible and effectively target RBCs. The antimalarial effect of these nanohybrids is 6 times more effective than intact AS(0). Therefore, the nanohybrids with haemo-compatible carriers could be a promising drug delivery system for malarial treatment.
BIOMATERIALS SCIENCE
(2022)
Article
Materials Science, Biomaterials
Sairan Eom, Min Hwan Kim, Ranji Yoo, Goeun Choi, Joo Hyun Kang, Yong Jin Lee, Jin-Ho Choy
Summary: In this study, Cu-64-QT-NPs were successfully prepared by directly immobilizing Cu-64 radioisotope in the quintinite lattice. The labeled nanoparticles showed high stability and passive targeting into tumor tissue based on the enhanced permeability and retention (EPR) effect. Coating bovine serum albumin (BSA) further improved the tumor tissue selectivity of Cu-64-QT-NPs.
JOURNAL OF MATERIALS CHEMISTRY B
(2022)
Review
Chemistry, Multidisciplinary
Goeun Choi, N. Sanoj Rejinold, Huiyan Piao, Jin-Ho Choy
Summary: Advanced nanotechnology is rapidly advancing in the field of novel hybrid nanomaterials, with materials like gold, iron, and silica showing great potential in biomedical applications. Recent research also indicates the promising use of up-conversion nanomaterials in treating deep-seated tumor tissues.
Review
Nanoscience & Nanotechnology
Goeun Choi, Jin-Ho Choy
Summary: LDH, as a nanomaterial, can serve as a biocompatible drug delivery vehicle for cancer chemotherapy and also as diagnostic and imaging agents. This article summarizes the theranostic functions of drug-LDH hybrid nanoparticles, including their synthetic methods, physico-chemical and biological properties, and unique mechanisms for overcoming drug resistance and targeting properties based on in vitro and in vivo results.
WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY
(2021)
