Article
Multidisciplinary Sciences
Song Shi, Piaoping Yang, Chaochao Dun, Weiqing Zheng, Jeffrey J. J. Urban, Dionisios G. G. Vlachos
Summary: The researchers synthesized hyper-crosslinked porous polymer catalysts with different functional groups to tune the active site environment. They found that -OH groups enhanced the hydrogenation rate of substrates containing carbonyl groups, while -CH3 groups promoted the activation of non-H bond substrates. This synthetic strategy offers a new approach for selective catalysis.
NATURE COMMUNICATIONS
(2023)
Article
Chemistry, Physical
G. B. Oliveira-Filho, J. J. Atoche-Medrano, F. F. H. Aragon, J. C. Mantilla Ochoa, D. G. Pacheco-Salazar, S. W. da Silva, J. A. H. Coaquira
Summary: Core-shell structure Au@Fe3O4 nanoparticles were synthesized using a thermal decomposition method, with a core diameter of approximately 10.5 nm and a shell thickness of roughly 1.85 nm. The nanocomposite exhibited a successful coupling of Au and Fe3O4, possessing good crystal structure and magnetic response characteristics.
APPLIED SURFACE SCIENCE
(2021)
Article
Polymer Science
Aleksandra Janicijevic, Vera P. Pavlovic, Danijela Kovacevic, Marko Peric, Branislav Vlahovic, Vladimir B. Pavlovic, Suzana Filipovic
Summary: This study investigates the structure and morphology of nanocellulose/magnetite hybrid nanomaterials. The results show that the interaction between cellulose and magnetic nanoparticles depends on the nanocellulose content, and a transition in cellulose allomorph is observed. SEM and EDS analyses reveal the variation in morphology with changes in component concentrations. Furthermore, magnetic calculations suggest that ferromagnetic coupling predominates.
Article
Chemistry, Multidisciplinary
Charitha Thambiliyagodage, Leshan Usgodaarachchi, Madara Jayanetti, Chamika Liyanaarachchi, Murthi Kandanapitiye, Saravanamuthu Vigneswaran
Summary: Novel composites using natural materials exhibit excellent performance in dye removal and inhibiting bacterial growth.
Article
Chemistry, Multidisciplinary
Natalia S. Moura, Khashayar R. Bajgiran, Cameron L. Roman, Luke Daemen, Yongqiang Cheng, Jimmy Lawrence, Adam T. Melvin, Kerry M. Dooley, James A. Dorman
Summary: Heat management in catalysis is limited by each material's heat transfer efficiencies, but induction heating of magnetic nanoparticles can reduce waste heat via dissipation. Efficient surfactant removal, such as using pyridine, can increase heat generation and product yield in induction heating catalysis, improving heat transfer and available surface sites.
Article
Materials Science, Multidisciplinary
Tobias Pohlmann, Florian Bertram, Jannis Thien, Jari Rodewald, Kevin Ruwisch, Timo Kuschel, Eugen Weschke, Karsten Kuepper, Joachim Wollschlaeger
Summary: We investigated the structural and magnetic properties of Fe3O4/MgO(001) and Fe3O4/NiO/MgO(001) interfaces using magneto-optical depth profiles and charge-transfer multiplet simulations. The results show that the Fe3O4/MgO(001) interface has a fully intact magnetic order, while the Fe3O4/NiO/MgO(001) interface may have an intermixed (Ni, Fe)O layer.
Article
Chemistry, Physical
Enrico Bianchetti, Cristiana Di Valentin
Summary: Through density functional theory calculations, it has been found that using multidentate ligands can inhibit the process of spin-canting in nanoparticles, and the presence of anchoring organic acids can also interfere with structural disorder.
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
(2022)
Article
Physics, Applied
Md. Shahid Jamal, Pooja Gupta, Rakhul Raj, Mukul Gupta, V. R. Reddy, Dileep Kumar
Summary: In this work, the structural and magnetic properties of MgO/FeCoB/MgO trilayer were studied using x-ray standing wave conditions. It was found that a high-density FeCoB layer formed at the MgO/FeCoB interface in the as-deposited trilayer. Diffusion of B into MgO resulted in the formation of a B-deficient FeCoB layer at the interface. The presence of in-plane magnetic anisotropy was observed in the trilayer, which disappeared after thermal annealing.
JOURNAL OF APPLIED PHYSICS
(2022)
Article
Physics, Condensed Matter
Krishna Priya Hazarika, Rushikesh Fopase, Lalit M. Pandey, J. P. Borah
Summary: This research aims to enhance the heating efficiency of Fe3O4 nanoparticles by doping Gd in the matrix, making it a potential candidate for magnetic hyperthermia applications.
PHYSICA B-CONDENSED MATTER
(2022)
Article
Chemistry, Multidisciplinary
Sangeeta Kumari, Raj Pal Singh, Nayaku N. Chavan, Shivendra V. Sahi, Nilesh Sharma
Summary: This research successfully developed a unique nanocomposite film with enhanced elasticity using magnetic Pt-Fe3O4 nanoparticles and chitosan-g-glycolic acid organic fraction, showing superior physical properties. These nanocomposite films hold great potential for various biomedical applications.
Article
Chemistry, Physical
Nathaniel E. Larm, Laxmi Adhikari, Samantha McKee, Gary A. Baker
Summary: This study presents a novel hybrid inorganic-organic architecture called polyionic nanoclays (PINCs), which are composed of two-dimensional, few nanometer-thick magnesium phyllo(organo)silicate nanosheets with ordered imidazolium functionalities. The PINCs demonstrate high ionic density, exchangeability of counteranions, and the ability to tailor the organic component, showing promising potential in catalysis, ion exchange, energy storage, and other applications. Additionally, the study also reveals the remarkable catalytic activity of gold nanoparticles supported on PINCs, suggesting a major synergistic effect compared to similar nanoparticles suspended in water.
CHEMISTRY OF MATERIALS
(2021)
Article
Biochemistry & Molecular Biology
Xiaoxia Yan, Mengxue Diao, Yali Yu, Feng Gao, Erlei Wang, Zuozhao Wang, Tiehua Zhang
Summary: Starch nanoparticles were prepared by citrate esterification and ultrasound treatment, with the ultrasonic treatment time affecting the size and crystallinity of the particles. The addition of starch nanoparticles significantly improved the mechanical properties of chitosan composite films.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2021)
Article
Physics, Multidisciplinary
Kanailal Barman, Pinaki Chakraborty, Pijus K. Samanta
Summary: The green synthesis of ZnO nanostructures using Azadirachta Indica leaf extract produced nanoparticles in the size range of 50-100 nm. The ZnO nanocrystals exhibit a wurtzite unit cell structure with high crystallinity, showing minimal distortion in the structure. Raman-shift measurements confirmed the existence of various phonon vibrational modes of the ZnO lattice, indicating potential applications in nanomaterials based medicinal and therapeutic applications.
Article
Materials Science, Multidisciplinary
Sana Rasheed, Farooq Sher, Tahir Rasheed, Saba Sehar, Mansour Al Qubeissi, Fatima Zafar, Eder C. Lima
Summary: This study presents the synthesis of nickel-copper bimetallic nanoparticles and the preparation of nickel-copper carbide nanocomposite via hydrothermal approach, with analysis on their structural composition, morphology, and fuel properties.
MATERIALS CHEMISTRY AND PHYSICS
(2021)
Review
Chemistry, Inorganic & Nuclear
Jamshid Rakhtshah
Summary: In the past decade, the synthesis of transition-metal Schiff-base complexes immobilized on Fe3O4 nanoparticles has attracted great interest. This review focuses on the key syntheses and catalytic potentials of magnetically recoverable nanocatalysts published from 2012 until now. The catalytic potential of these magnetic nanocatalysts has been tested in various processes, including alkenes epoxidation, sulfides oxidation, alcohols oxidation, aromatic alkyls oxidation, cross-coupling reactions, C-O coupling reaction, multicomponent reactions, trimethylsilylation of alcohols and phenols, alcoholysis of epoxides, reduction of nitrobenzenes, N-arylation of nitrogen heterocycles with aryl halides, and N-alkylation of amines. This review compares the use of heterogenized transition metal complexes with various imine bond bearing ligands in the catalytic processes. The advantages of this catalytic methodology include the easy separation of catalysts using an external magnet, simple recycling of catalysts without significant losses in performance, improved efficiency due to the nanoscale architecture of active centers, and better steric control of reaction intermediates.
COORDINATION CHEMISTRY REVIEWS
(2022)
Article
Nanoscience & Nanotechnology
Hyung Ju Park, Jinmo Kim, Nak-Jin Choi, Hyunjoon Song, Dae-Sik Lee
ACS APPLIED MATERIALS & INTERFACES
(2016)
Article
Chemistry, Multidisciplinary
Dongwoo Shin, Youngchan Park, Hyein Ryu, Won Seok Seo, Hyunjoon Song
Article
Chemistry, Multidisciplinary
Ji Yong Choi, Seon Joo Lee, Won Seok Seo, Hyunjoon Song
Article
Chemistry, Analytical
Kyung Hee Oh, Jihye Lee, Mira Park, Hyunjoon Song, Jinho Chang, Ki Min Nam
Article
Chemistry, Physical
Mira Park, Jong Hyeok Seo, Hyunjoon Song, Ki Min Nam
JOURNAL OF PHYSICAL CHEMISTRY C
(2016)
Article
Chemistry, Physical
Deok-Soo Kim, Sung-Hyun Ahn, Jinwook Kim, Daeha Seo, Hyunjoon Song, Zee Hwan Kim
JOURNAL OF PHYSICAL CHEMISTRY C
(2016)
Article
Chemistry, Physical
Woong Choi, Garam Park, Kyung-Lyul Bae, Ji Yong Choi, Ki Min Nam, Hyunjoon Song
JOURNAL OF MATERIALS CHEMISTRY A
(2016)
Article
Chemistry, Multidisciplinary
Ji Yong Choi, Dahyi Jeong, Seon Joo Lee, Dong-Gu Kong, Sang Kyu Kim, Ki Min Narn, Hyunjoon Song
Article
Chemistry, Physical
Ji Chan Park, Shin Wook Kang, Jeong-Chul Kim, Jae In Kwon, Sanha Jang, Geun Bae Rhim, Mijong Kim, Dong Hyun Chun, Ho-Tae Lee, Heon Jung, Hyunjoon Song, Jung-Il Yang
Article
Chemistry, Multidisciplinary
Gisang Park, Yong-Il Kim, Young Heon Kim, Mira Park, Kyu Yeon Jang, Hyunjoon Song, Ki Min Nam
Review
Materials Science, Multidisciplinary
Ki Min Nam, Won Seok Seo, Hyunjoon Song, Joon Taik Park
NPG ASIA MATERIALS
(2017)
Article
Chemistry, Physical
Mira Park, Jong Hyeok Seo, Ji Hyeon Kim, Gisang Park, Joon Yong Park, Won Seok Seo, Hyunjoon Song, Ki Min Nam
JOURNAL OF PHYSICAL CHEMISTRY C
(2018)
Article
Chemistry, Physical
Ji Yong Choi, Ki Min Nam, Hyunjoon Song
JOURNAL OF MATERIALS CHEMISTRY A
(2018)
Article
Chemistry, Multidisciplinary
Kiseong Kim, Younjae Jung, Suyeon Lee, Mijong Kim, Dongwoo Shin, Hyeeun Byun, Sung June Cho, Hyunjoon Song, Hyunwoo Kim
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2017)
Article
Chemistry, Multidisciplinary
Younjae Jung, Taeil Shin, Kiseong Kim, Hyeeun Byun, Sung June Cho, Hyunwoo Kim, Hyunjoon Song
CHEMICAL COMMUNICATIONS
(2017)
Article
Materials Science, Multidisciplinary
Mengjiao Dong, Liyun Liao, Chensheng Li, Yingxiao Mu, Yanping Huo, Zhong-Min Su, Fushun Liang
Summary: This study investigates the influence of the polarity of polymer matrices on persistent room-temperature phosphorescence (pRTP). It is discovered that intense phosphorescence emission can be achieved in highly polar matrices such as polyacrylic acid (PAA). The dipole-dipole interaction between the polar fluorophore and polar matrix is proposed to stabilize the excited state and facilitate the generation of efficient room-temperature phosphorescence emissions.
JOURNAL OF MATERIALS CHEMISTRY C
(2024)
Article
Materials Science, Multidisciplinary
Han-Jiang Yang, Weijia Xiang, Xiangzhou Zhang, Jin-Yun Wang, Liang-Jin Xu, Zhong-Ning Chen
Summary: This article reports a 2D copper(I)-based cluster material for X-ray imaging, which exhibits ultra-high spatial resolution, high photoluminescence efficiency, and low detection limit. The material shows excellent linear response to X-ray dose rates and light output, and has the best spatial resolution among reported lead-free metal halide hybrids.
JOURNAL OF MATERIALS CHEMISTRY C
(2024)
Review
Materials Science, Multidisciplinary
Taek Joon Kim, Sang-hun Lee, Dayeong Kwon, Jinsoo Joo
Summary: Donor-acceptor heterostructures using organic-inorganic halide perovskites, two-dimensional transition metal dichalcogenides, pi-conjugated organic small/macro molecules, and quantum dots are promising platforms for exciton-based photonics and optoelectronics. Hetero-interlayer excitons and hetero-intermolecular excitons formed through optical and/or electrical charge transfer in various heterostructures are important quasi-particles for light emission, detection, and harvesting systems.
JOURNAL OF MATERIALS CHEMISTRY C
(2024)
Article
Materials Science, Multidisciplinary
Liemao Cao, Xiaohui Deng, Zhen-kun Tang, Rui Tan, Yee Sin Ang
Summary: We investigate the interface properties between WSi2N4 and Mo2B, O-modified Mo2B, and OH-modified Mo2B nanosheets. We find that WSi2N4 and Mo2B form n-type Schottky contacts, while functionalizing Mo2B with O and OH leads to the formation of both n-type and p-type ohmic contacts with WSi2N4. Additionally, we demonstrate the emergence of quasi-ohmic contact with ultralow lateral Schottky barrier and zero vertical interfacial tunneling barriers in Mo2B(OH)2-contacted WSi2N4.
JOURNAL OF MATERIALS CHEMISTRY C
(2024)
Article
Materials Science, Multidisciplinary
Ga Eun Kim, Hae-Jin Kim, Heesuk Jung, Minwoo Park
Summary: This study presents a solution to the commercialization challenges of flexible LEDs based on MAPbBr(3) by incorporating polyurethane and an In-Ga-Zn-Sn liquid alloy. The designed devices showed high flexibility, efficiency, and durability, with improved electron injection and reduced defects, making them promising for next-generation displays.
JOURNAL OF MATERIALS CHEMISTRY C
(2024)
Article
Materials Science, Multidisciplinary
Tao Shen, Zeng Wu, Zhen Jiang, Dongsheng Yan, Yan Zhao, Yang Wang, Yunqi Liu
Summary: Sidechain engineering is an important molecular design strategy for tuning the solid-state packing and structural ordering of conjugated polymers. The effects of sidechain direction on the optoelectronic properties of polymers and device performance were systematically investigated in this study. The results demonstrate that tuning the sidechain substitution direction can effectively improve the molecular structure and light absorption properties of polymers, providing new insights for the rational design of functional polymers.
JOURNAL OF MATERIALS CHEMISTRY C
(2024)
Article
Materials Science, Multidisciplinary
Lotte Clinckemalie, Bapi Pradhan, Roel Vanden Brande, Heng Zhang, Jonathan Vandenwijngaerden, Rafikul Ali Saha, Giacomo Romolini, Li Sun, Dirk Vandenbroucke, Mischa Bonn, Hai I. Wang, Elke Debroye
Summary: In this study, a facile strategy using a non-conductive polymer was proposed to fabricate stable, pinhole-free thick films. The effect of introducing a second phase into CsPbBr3 perovskite crystals on their photophysical properties and charge transport was investigated. The dual phase devices exhibited improved stability and more effective operation at higher voltages in X-ray detection.
JOURNAL OF MATERIALS CHEMISTRY C
(2024)
Article
Materials Science, Multidisciplinary
Jingye Zou, Shenglan Hao, Pascale Gemeiner, Nicolas Guiblin, Omar Ibder, Brahim Dkhil, Charles Paillard
Summary: When rare-earth ions are embedded in a ferroelectric material, their photoluminescence can serve as an all-optical probe for temperature, electric field, and mechanical stimulus. However, the impact of ferroelectric phase transitions on photoluminescence is not well understood. In this study, we demonstrate changes in the photoluminescence of green emission bands during critical ferroelectric transitions in an Er-doped BaTiO3 material. We also find that the intensity ratio and wavelength position difference of sub-peaks provide information on the phase transitions.
JOURNAL OF MATERIALS CHEMISTRY C
(2024)
Article
Materials Science, Multidisciplinary
Jiangchao Han, Daming Zhou, Wei Yang, Chen Lv, Xinhe Wang, Guodong Wei, Weisheng Zhao, Xiaoyang Lin, Shengbo Sang
Summary: Rare type-II spin-gapless semiconductors (SGSs) have attracted increasing attention due to their unique spin properties. In this study, the interface contacts and spin transport properties of different devices composed of VSi2P4 ferromagnetic layers were investigated. The results show that VSi2P4 is a promising material for designing vertical van der Waals heterostructures with a giant tunnel magnetoresistance (TMR) in spintronic applications.
JOURNAL OF MATERIALS CHEMISTRY C
(2024)
Article
Materials Science, Multidisciplinary
Tianqi Zhao, Renagul Abdurahman, Qianting Yang, Ruxiangul Aiwaili, Xue-Bo Yin
Summary: In this study, we designed and prepared Cr and Ba-doped gamma-Ga2O3 nanoparticles to achieve near-infrared emission and enhance the emission intensity. The emission mechanism was proposed based on the trap depth, band gap, and energy levels of Cr ions. The ratiometric temperature sensing and encryption information transfer demonstrated the potential applications of this technology.
JOURNAL OF MATERIALS CHEMISTRY C
(2024)
Article
Materials Science, Multidisciplinary
Shuvankar Gupta, Jyotirmoy Sau, Manoranjan Kumar, Chandan Mazumdar
Summary: In this study, a new spin-gapless semiconductor material CoFeMnSn is reported, and its stable structure and spin-polarized band structure are determined through experimental realization and theoretical calculations. The compound exhibits a high ferromagnetic transition temperature, making it excellent for room temperature applications. The nearly temperature-independent resistivity, conductivity, and carrier concentration of the compound, adherence to the Slater-Pauling rule, and the high intrinsic anomalous Hall conductivity achieved through hole doping further confirm its spin-gapless semiconductor nature. Additionally, the compound's SGS and topological properties make it suitable for spintronics and magneto-electronics devices.
JOURNAL OF MATERIALS CHEMISTRY C
(2024)
Article
Materials Science, Multidisciplinary
Ikumi Aratani, Yoji Horii, Yoshinori Kotani, Hitoshi Osawa, Hajime Tanida, Toshiaki Ina, Takeshi Watanabe, Yohko F. Yano, Akane Mizoguchi, Daisuke Takajo, Takashi Kajiwara
Summary: In this study, two-dimensional arrays of single-molecule magnets (SMMs) based on metal-organic frameworks (MOFs) were systematically modified through Langmuir-Blodgett methods and chemical modifications. The introduction of bulky alkoxide groups induced structural changes and perpendicular magnetic anisotropy. This research provides a promising strategy for the construction of high-density magnetic memory devices using molecular spintronics.
JOURNAL OF MATERIALS CHEMISTRY C
(2024)
Article
Materials Science, Multidisciplinary
Zonghao Lei, Houhe Dong, Lijie Sun, Bing Teng, Yanfei Zou, Degao Zhong
Summary: Researchers have successfully developed four different up-conversion phosphors based on the Eulytite-type host Ba3Yb(PO4)(3). The optical temperature sensing properties of these phosphors were thoroughly investigated, and it was found that Ba3Yb(PO4)(3):Tm/Er/Ho showed potential for optical temperature measurement applications.
JOURNAL OF MATERIALS CHEMISTRY C
(2024)
Article
Materials Science, Multidisciplinary
C. Roncero-Barrero, M. A. Carvajal, J. Ribas-Arino, I. de P. R. Moreira, M. Deumal
Summary: This study computationally investigates the conductivity of four isostructural compounds with different Se contents, and reveals the parameters that define their conductivity in stable organic radical materials. The results provide insights into the influence of Se content on the conductivity and highlight the importance of considering multiple parameters in understanding the trends in conductivity.
JOURNAL OF MATERIALS CHEMISTRY C
(2024)
Article
Materials Science, Multidisciplinary
Remi Arras, Kedar Sharma, Lionel Calmels
Summary: In this study, we investigated the interplay between structural defects in NiFe2O4, showing that the complex formed by a Ni-Oh/Fe-Td-cation swap and a neutral oxygen vacancy is more stable than these two isolated defects, and significantly reduces the width of the minority-spin band gap.
JOURNAL OF MATERIALS CHEMISTRY C
(2024)