Article
Chemistry, Multidisciplinary
Li Sun, Jiayue Xie, Guanglu Lei, Xianghong Liu, Jianmin Ma, Jun Zhang
Summary: TiO2@Void@SnO2 double-shell hollow nanotubes were synthesized to enhance the electrochemical properties of Sn-based anode materials, showing stable capacity and long cycling stability. The unique structure effectively accommodates volume change and prevents SnO2 pulverization.
Article
Chemistry, Physical
J. I. Paez-Ornelas, H. N. Fernandez-Escamilla, H. A. Borbon-Nunez, H. Tiznado, Noboru Takeuchi, J. Guerrero-Sanchez
Summary: The study investigates the atomic layer deposition of ZnO/CNT hybrid inorganic structures, showing the chemical activation of CNTs with a carboxylic acid, followed by the formation of ZnO using DEZ and water as precursors. It highlights the energy barriers and ligand-exchange mechanisms during the deposition process, emphasizing the importance of the right functionalization agent and the role of the oxidizing agent in lowering energy barriers.
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2021)
Article
Chemistry, Physical
Mihaela Dinu, Kaiying Wang, Emile S. Massima Mouele, Anca C. C. Parau, Alina Vladescu (Dragomir), Xinhua Liang, Viorel Braic, Leslie Felicia Petrik, Mariana Braic
Summary: The potential of enhanced corrosion resistance of Ti(N,O) cathodic arc evaporation-coated 304L stainless steel using oxide nano-layers deposited by atomic layer deposition (ALD) was explored in this study. Al2O3, ZrO2, and HfO2 nanolayers of two different thicknesses were deposited onto Ti(N,O)-coated 304L stainless steel surfaces by ALD. The anticorrosion properties of the coated samples were investigated using XRD, EDS, SEM, surface profilometry, and voltammetry. The amorphous oxide nanolayers exhibited lower roughness after corrosion attack and the thickest oxide layers showed the best corrosion resistance. The thicker oxide nanolayers enhanced the corrosion resistance of the Ti(N,O)-coated stainless steel in a saline, acidic, and oxidising environment, which is important for corrosion-resistant housings in advanced oxidation systems.
Review
Chemistry, Multidisciplinary
Chengxu Shen, Zhigang Yin, Fionn Collins, Nicola Pinna
Summary: This review comprehensively describes the latest developments in atomic layer deposition (ALD) of metal oxides (MOs) and chalcogenides for the fabrication of high-performance transistors. The ALD materials, including semiconductors, insulators, and heterostructures, have shown great promise in improving device performance and stability. Clear structure-property relations can be proposed by correlating the device performance to the structural and chemical properties of the ALD materials, which can help to design better-performing transistors.
Article
Chemistry, Physical
Yuan Guo, Shixin Wang, Xianfeng Du, Shuaizhong Liang, Shan Huang, Shengjun Peng, Yuehong Xie, Mingbo Ma, Lilong Xiong
Summary: Energy storage technology is crucial for a clean and sustainable energy supply. This study demonstrates a promising strategy for developing new energy storage devices with high energy and power density by using laser etching to obtain spatial multilayer VCNTs electrode nano-templates. The MIM capacitors constructed in this way have high planar capacity density, low leakage characteristic, and excellent performance stability.
ENERGY STORAGE MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Erdogan Celik, Pascal Cop, Rajendra S. Negi, Andrey Mazilkin, Yanjiao Ma, Philip Klement, Joerg Schoermann, Sangam Chatterjee, Torsten Brezesinski, Matthias T. Elm
Summary: This study investigates the design of mixed-conducting nanocomposites by surface modification using atomic layer deposition (ALD). It was found that the porosity of the nanocomposites has no effect on their charge-transport properties, while the thickness of the ceria layer plays an important role.
Article
Materials Science, Coatings & Films
Mina Shahmohammadi, Yani Sun, Judy Chia -Chun Yuan, Mathew T. Mathew, Cortino Sukotjo, Christos G. Takoudis
Summary: Functionalizing Ti-6Al-4V alloy with TiO2 and ZrO2 thin films using Atomic Layer Deposition showed that the mixed TZO film had the best corrosion protection, enhancing the durability and lifetime of dental implants in aggressive oral environments.
SURFACE & COATINGS TECHNOLOGY
(2022)
Article
Chemistry, Multidisciplinary
Noelia Rubio, Heather Au, Gabriel O. Coulter, Laure Guetaz, Gerard Gebel, Cecilia Mattevi, Milo S. P. Shaffer
Summary: The study shows that the locus of functionalisation on graphene-related materials and the progress of the reaction strongly depend on the starting feedstock. Experiments with five characteristically different graphite sources reveal an increase in grafting ratio and an improvement in grafting stoichiometry as flake radius decreases. Raman spectrum imaging indicates that grafting is directed towards flake edges.
Article
Materials Science, Multidisciplinary
Emerson Coy, Katarzyna Siuzdak, Iwona Gradzka-Kurzaj, Syreina Sayegh, Matthieu Weber, Marcin Ziolek, Mikhael Bechelany, Igor Iatsunskyi
Summary: By incorporating B-N bridges in TiO2/ZnO heterojunctions, the lifetime of holes was improved, leading to enhanced photoresponse and efficient photocatalysis, as evidenced by experimental data. This strategy shows potential for in-situ preparation of efficient carrier transfer layers in various architectures, materials, and devices through Atomic Layer Deposition (ALD).
APPLIED MATERIALS TODAY
(2021)
Article
Materials Science, Multidisciplinary
Leonid Filatov, Pavel Vishniakov, Ilya Ezhov, Ivan Gorbov, Denis Nazarov, Denis Olkhovskii, Rajesh Kumar, Shengjie Peng, Gang He, Vladislav Chernyavsky, Marina Gushchina, Maxim Maximov
Summary: This article investigates the impact of atomic layer deposition method on the growth of carbon nanotubes, and found that the initial NiO layer thickness plays a significant role in achieving intensive growth of carbon nanotubes.
Article
Materials Science, Multidisciplinary
Shuai Li, Shenghai Yang, Changhong Wang
Summary: In this study, an electrodissolution-coupled Hf(OR)(4) synthesis system using an alcohol solvent and Hf metal as feedstock was proposed for the efficient, low-carbon and waste-free electro-synthesis of Hf(OR)(4). The electrochemical behavior and kinetics parameters obtained from the analysis provide theoretical guidance for the efficient operation of EHS.
Review
Engineering, Manufacturing
Hongyin Pan, Lihao Zhou, Wei Zheng, Xianghong Liu, Jun Zhang, Nicola Pinna
Summary: Atomic layer deposition (ALD) is a versatile technique used to deposit metals and metal oxide sensing materials at the atomic scale for improved sensor functions. This article reviews the use of ALD in the preparation of metals and metal oxide semiconductor (MOS) heterostructures for gas sensing applications. The gas sensing performances of different MOS-based heterostructures synthesized by ALD are carefully analyzed and discussed. Further developments and challenges faced by ALD in synthesizing MOS gas sensing materials are also discussed.
INTERNATIONAL JOURNAL OF EXTREME MANUFACTURING
(2023)
Article
Multidisciplinary Sciences
A. Yu. Mironov, D. M. Silevitch, S. V. Postolova, M. V. Burdastyh, T. Proslier, T. I. Baturina, T. F. Rosenbaum, V. M. Vinokur
Summary: The research reveals that in the proximity of the superconductor-insulator transition, TiN and NbTiN thin films exhibit self-induced electronic granularity and become random arrays of superconducting granules coupled via Josephson links. This results in a transition of the impedance from capacitive to inductive behavior, where the inductive component is due to superconducting droplets and the capacitive component is from effective Josephson junctions capacitances.
SCIENTIFIC REPORTS
(2021)
Article
Materials Science, Multidisciplinary
Vasu Prasad Prasadam, Nicolas Gautier, Naoufal Bahlawane
Summary: Gas-phase synthesis was used to grow modified carbon nanotubes cores with infrared reflecting and low refractive index shell layers in this study, achieving high efficiency solar absorbers for solar thermal electricity generation. The nano-engineered CNT-metal oxide design demonstrated excellent performance under extended exposure to 1000 K.
MATERIALS TODAY COMMUNICATIONS
(2021)
Article
Materials Science, Ceramics
Han-Ting Liao, Bo-Wei Shih, Wen-Pin Hsieh, Dung-Yue Su, Feng-Yu Tsai
Summary: Superlattice thin films with various types and thicknesses of interlayers were prepared by ALD, and their comprehensive thermoelectric properties were characterized. The combination of different interlayers can achieve a balance between energy filtering, carrier blocking, and phonon scattering effects, leading to enhanced thermoelectric performance. The designed composite interlayer structure showed a significant improvement in ZT value compared to bulk ZnO films.
CERAMICS INTERNATIONAL
(2022)
Article
Chemistry, Physical
Jorge Torres-Rodriguez, Stephen Nagaraju Myakala, Miralem Salihovic, Maurizio Musso, Nicola Huesing, Dominik Eder, Volker Presser, Alexey Cherevan, Michael S. Elsaesser
Summary: In this study, carbon spherogels were prepared and successfully encapsulated with titania. By tuning the treatment process, the carbon spherogels exhibited high photocatalytic activity under CO2 activation. The results of this study are of great significance for the development of similar carbon-inorganic composites.
Article
Materials Science, Multidisciplinary
B. Bian, S. Taheriniya, G. Mohan Muralikrishna, A. Godha, S. K. Makineni, S. Sankaran, B. B. Straumal, Y. Du, G. Wilde, S. V. Divinski
Summary: Kinetic and structural changes induced by Bi alloying in dilute Ni-Bi alloys were investigated, focusing on grain boundary phase transitions. The grain boundary diffusion of Ni in the Ni-Bi alloys was measured across single and two-phase regions of the bulk phase diagram. The results showed that the Ni grain boundary diffusion rates were dependent on the Bi concentration and were influenced by Bi segregation and multi-layer Bi segregation along the grain boundaries. The presence of a liquid layer of Bi at the grain boundaries resulted in the highest Ni diffusivity. Additionally, structural transitions between different grain boundary phases were found to have a significant impact on the grain boundary diffusion rates.
Article
Biochemistry & Molecular Biology
Janaki Devi Somasundaram, Arash Ebrahimi, Sreejith P. Nandan, Alexey Cherevan, Dominik Eder, Miroslava Supolikova, Eva Novakova, Robert Gyepes, Lukas Krivosudsky
Summary: A series of five decavanadate complexes were successfully synthesized using a one-pot synthesis. The structures and properties of these complexes were studied, and it was found that 1 and 3 are decavanadato complexes, while 2, 4, and 5 are decavanadate complex salts. The binding to model proteins, cytotoxicity, and water oxidation catalysis were investigated, and it was observed that 1 showed higher activity in water oxidation catalysis and lower cytotoxicity compared to the uncoordinated V-10.
JOURNAL OF INORGANIC BIOCHEMISTRY
(2023)
Article
Chemistry, Multidisciplinary
Paolo Rudatis, Jakob Hrubesch, Stefan Kremshuber, Dogukan H. Apaydin, Dominik Eder
Summary: Co-doping is an effective method to enhance the performance of photocatalytic and photoelectrocatalytic semiconductors. Hematite co-doping with Sb and Li has achieved promising results, with a 67-fold improvement in current densities over the standard. Through comprehensive investigations, it has been confirmed that Sb5+ acts as a substitutional dopant while Li+ acts as an interstitial dopant in hematite. The improvements can be attributed to a higher charge carrier concentration and lower charge transfer resistance at the surface.
Article
Nanoscience & Nanotechnology
Kenan Elibol, Toma Susi, Clemens Mangler, Dominik Eder, Jannik C. Meyer, Jani Kotakoski, Richard G. Hobbs, Peter A. van Aken, Bernhard C. Bayer
Summary: The presence of metal atoms at the edges of graphene nanoribbons (GNRs) allows for tailoring their physical properties. In this study, indium (In) chains were formed on the edges of graphene-supported GNRs through laser heating and physical vapor deposition. Aberration-corrected scanning transmission electron microscopy (STEM) revealed that multiple In atoms preferred to decorate the edges of the GNRs. Electron-beam irradiation induced the migration of In atoms along the edges and the formation of longer chains. Theoretical calculations confirmed the metallic character of these structures. This research provides insights into the formation and properties of long linear metal atom chains at graphitic edges.
NPJ 2D MATERIALS AND APPLICATIONS
(2023)
Article
Chemistry, Multidisciplinary
Duoling Cao, Zuhong Li, Wenbo Li, Ke Pei, Xu Zhang, Li Wan, Li Zhao, Alexey Cherevan, Dominik Eder, Shimin Wang
Summary: Carbon counter electrode-based perovskite solar cells (C-PSCs) are considered promising due to their stability and low cost. This study used two novel pheniramine halides to modify the interface between the electron transport layer and perovskite layer, resulting in improved device performance. The modified C-PSCs achieved higher power conversion efficiency compared to the control device, and the unencapsulated modified device maintained a high level of its initial efficiency under ambient conditions for 800 hours. This study suggests the potential application of multifunctional complex molecules in high-efficiency and stable C-PSCs.
MATERIALS CHEMISTRY FRONTIERS
(2023)
Article
Chemistry, Multidisciplinary
Shaghayegh Naghdi, Emily Brown, Mohammad Zendehbad, Ann Duong, Wolfgang Ipsmiller, Santu Biswas, Maytal Caspary Toroker, Hossein Kazemian, Dominik Eder
Summary: Selective removal of one ligand in mixed-ligand MOFs creates hierarchical pore architectures with improved adsorption capacity for glyphosate removal from water. The Ti-OH groups resulting from ligand removal serve as effective anchor points for glyphosate uptake. The introduction of additional mesopores has significantly increased the adsorption capacities, making these MOFs among the best-reported adsorbents.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Materials Science, Multidisciplinary
Tim Bernges, Martin Peterlechner, Gerhard Wilde, Matthias T. Agne, Wolfgang G. Zeier
Summary: The reduction of vibrational contributions to thermal transport and the search for materials with low lattice thermal conductivities are crucial in thermoelectric research. Spectral analytical models have been proven effective in understanding the physics of low thermal conduction, but another mechanism called diffusons has been discovered in complex crystalline materials. This work proposes an analytical 2-channel transport model that explains the thermal conductivities of the solid solution series Ag9-xGa1-xGexSe6 and provides materials design metrics for 2-channel thermal transport.
MATERIALS TODAY PHYSICS
(2023)
Review
Green & Sustainable Science & Technology
LePing Yu, Lyu Xu, Cameron Shearer, XiaoHong Zhou, Lu Lu
Summary: The demands for high energy density and long-term stability in lithium-sulfur batteries (LSBs) for portable electronics and electric vehicles have led to research on integrating carbon nanotubes (CNTs) into various components of LSBs. Although CNTs do not directly contribute to the specific capacity, their auxiliary roles in providing a conductive and mechanically reinforced framework are significant for regulating the electrochemical reaction, charge transport, and mass transfer in the system. This paper discusses current challenges in LSBs and their corresponding CNT-based solutions, evaluates the potential for commercializing CNT-involved LSBs, and provides future research directions for further improving device performance.
ADVANCED SUSTAINABLE SYSTEMS
(2023)
Article
Chemistry, Multidisciplinary
Hannah Rabl, Stephen Nagaraju Myakala, Jakob Rath, Bernhard Fickl, Jasmin S. Schubert, Dogukan H. Apaydin, Dominik Eder
Summary: The authors explore metal-organic chalcogenolate assemblies (MOCHAs) for tuneable syngas production via electrocatalytic CO2 reduction, which offers an alternative route to producing this valuable mixture of hydrogen and carbon monoxide. The MOCHAs show high Faraday efficiency for the production of carbon monoxide and hydrogen, making them promising electrocatalysts.
COMMUNICATIONS CHEMISTRY
(2023)
Article
Materials Science, Multidisciplinary
Qingmei Gong, Haihong Jiang, Jacques Perrin-Toinin, Martin Peterlechner, Magali Putero, Alain Portavoce, Sergiy Divinski, Gerhard Wilde
Summary: In this study, the self-diffusion coefficients of tellurium in amorphous Ge2Sb2Te5 were experimentally measured for the first time, and the activation energy for tellurium self-diffusion was determined to be (1.43±0.08) eV.
Review
Physics, Applied
Tran Thanh Tung, Ana L. C. Pereira, Erik Poloni, Minh Nhat Dang, James Wang, Truong-Son Dinh Le, Young-Jin Kim, Quoc Hue Pho, Md J. Nine, Cameron James Shearer, Volker Hessel, Dusan Losic
Summary: The research community has seen a surge in the exploration of graphene-related two-dimensional materials (GR2Ms) for innovative applications and emerging technologies. However, there is still a challenge in finding simple, low-cost, sustainable, and environmentally friendly methods to manufacture large quantities of high-quality GR2Ms. To overcome this challenge, the top-down irradiation approach has proven to be an effective and eco-friendly technology for scalable exfoliation and processing of GR2Ms, leading to new properties for emerging applications.
APPLIED PHYSICS REVIEWS
(2023)
Correction
Chemistry, Multidisciplinary
Duoling Cao, Zuhong Li, Wenbo Li, Ke Pei, Xu Zhang, Li Wan, Li Zhao, Alexey Cherevan, Dominik Eder, Shimin Wang
Summary: The paper in Mater. Chem. Front. by Duoling Cao et al. offers a correction for the study on interfacial engineering between SnO2/MAPbI(3) using maleate pheniramine halides to improve the performance of carbon counter electrode-based perovskite solar cells with an efficiency of 16.21%.
MATERIALS CHEMISTRY FRONTIERS
(2023)
Article
Materials Science, Multidisciplinary
Ruixuan Li, Baixue Bian, Gerhard Wilde, Yong Zhang, Sergiy V. Divinski
Summary: The tracer self-diffusion of Co in a compositionally complex AlCoCrFeNiTi0.2 alloy was measured using the radiotracer technique. The analysis of the complex multi-phase microstructure allowed for the determination of volume diffusion coefficients and grain boundary diffusion coefficients.
Article
Chemistry, Physical
Tobias Weller, Jana Timm, Leonie Deilmann, Tobias S. Doerr, Christopher Greve, Alexey S. Cherevan, Peter A. Beaucage, Ulrich B. Wiesner, Eva M. Herzig, Dominik Eder, Roland Marschall
Summary: The influence of periodic pore order on the photocatalytic performance of mesoporous photocatalysts in hydrogen evolution was investigated. It was found that long-range periodic order had no significant advantage compared to locally ordered continuous pore systems. On the contrary, nonperiodically ordered mesopores exhibited higher activity towards photocatalytic hydrogen evolution.
Article
Chemistry, Multidisciplinary
Laetitia Bardet, Herve Roussel, Stefano Saroglia, Masoud Akbari, David Munoz-Rojas, Carmen Jimenez, Aurore Denneulin, Daniel Bellet
Summary: The thermal instability of silver nanowires leads to increased electrical resistance in AgNW networks. Understanding the relationship between structural and electrical properties of AgNW networks is crucial for their integration as transparent electrodes in flexible optoelectronics. In situ X-ray diffraction measurements were used to study the crystallographic evolution of Ag-specific Bragg peaks during thermal ramping, revealing differences in thermal and structural transitions between bare and SnO2-coated AgNW networks.
Article
Chemistry, Multidisciplinary
Nathalia Cancino-Fuentes, Arnau Manasanch, Joana Covelo, Alex Suarez-Perez, Enrique Fernandez, Stratis Matsoukis, Christoph Guger, Xavi Illa, Anton Guimera-Brunet, Maria V. Sanchez-Vives
Summary: This study provides a comprehensive characterization of graphene-based solution-gated field-effect transistors (gSGFETs) for brain recordings, highlighting their potential clinical applications.
Article
Chemistry, Multidisciplinary
Sikandar Aftab, Hailiang Liu, Dhanasekaran Vikraman, Sajjad Hussain, Jungwon Kang, Abdullah A. Al-Kahtani
Summary: This study examines the effects of hybrid nanoparticles made of NiO@rGO and NiO@CNT on the active layers of polymer solar cells and X-ray photodetectors. The findings show that these hybrid nanoparticles can enhance the charge carrier capacities and exciton dissociation properties of the active layers. Among the tested configurations, the NiO@CNT device demonstrates superior performance in converting sunlight into electricity, and achieves the best sensitivity for X-ray detection.
Article
Chemistry, Multidisciplinary
Hyo Jung Shin, Seung Gyu Choi, Fengrui Qu, Min-Hee Yi, Choong-Hyun Lee, Sang Ryong Kim, Hyeong-Geug Kim, Jaewon Beom, Yoonyoung Yi, Do Kyung Kim, Eun-Hye Joe, Hee-Jung Song, Yonghyun Kim, Dong Woon Kim
Summary: This study investigates the role of SOX9 in reactive astrocytes following ischemic brain damage using a PLGA nanoparticle plasmid delivery system. The results demonstrate that PLGA nanoparticles can reduce ischemia-induced neurological deficits and infarct volume, providing a potential opportunity for stroke treatment.
Article
Chemistry, Multidisciplinary
Anurag Chaudhury, Koushik Debnath, Nikhil R. Jana, Jaydeep K. Basu
Summary: The study investigates the interaction between nanoparticles and cell membranes, and identifies key parameters, including charge, crowding, and membrane fluidity, that determine the adsorbed concentration and unbinding transition of nanoparticles.
Article
Chemistry, Multidisciplinary
Sina Sadeghi, Fazel Bateni, Taekhoon Kim, Dae Yong Son, Jeffrey A. Bennett, Negin Orouji, Venkat S. Punati, Christine Stark, Teagan D. Cerra, Rami Awad, Fernando Delgado-Licona, Jinge Xu, Nikolai Mukhin, Hannah Dickerson, Kristofer G. Reyes, Milad Abolhasani
Summary: In this study, an autonomous approach for the development of lead-free metal halide perovskite nanocrystals is presented, which integrates a modular microfluidic platform with machine learning-assisted synthesis modeling. This approach enables rapid and optimized synthesis of copper-based lead-free nanocrystals.
Article
Chemistry, Multidisciplinary
Zahir Abbas, Nissar Hussain, Surender Kumar, Shaikh M. Mobin
Summary: The rational construction of free-standing and flexible electrodes for electrochemical energy storage devices is an emerging research focus. In this study, a redox-active metal-organic framework (MOF) was prepared on carbon nanofibers using an in situ approach, resulting in a flexible electrode with high redox-active behavior and unique properties such as high flexibility and lightweight. The prepared electrode showed excellent cyclic retention and rate capability in supercapacitor applications. Additionally, it could be used as a freestanding electrode in flexible devices at different bending angles.
Article
Chemistry, Multidisciplinary
Lishan Zhang, Xiaoting Zhang, Hui Ran, Ze Chen, Yicheng Ye, Jiamiao Jiang, Ziwei Hu, Miral Azechi, Fei Peng, Hao Tian, Zhili Xu, Yingfeng Tu
Summary: Photodynamic therapy (PDT) is a promising local treatment modality in cancer therapy, but its therapeutic efficacy is restricted by ineffective delivery of photosensitizers and tumor hypoxia. In this study, a phototactic Chlorella-based near-infrared (NIR) driven green affording-oxygen microrobot system was developed for enhanced PDT. The system exhibited desirable phototaxis and continuous oxygen generation, leading to the inhibition of tumor growth in mice. This study demonstrates the potential of using a light-driven green affording-oxygen microrobot to enhance photodynamic therapy.
Article
Chemistry, Multidisciplinary
Yujin Li, Jing Xu, Xinqi Luo, Futing Wang, Zhong Dong, Ke-Jing Huang, Chengjie Hu, Mengyi Hou, Ren Cai
Summary: In this study, hollow heterostructured materials were constructed using an innovative template-engaged method as cathodes for zinc-ion batteries. The materials exhibited fast Zn2+ transport channels, improved electrical conductivity, and controlled volume expansion during cycling. The designed structure allowed for an admirable reversible capacity and high coulombic efficiency.
Article
Chemistry, Multidisciplinary
Paritosh Mahato, Shashi Shekhar, Rahul Yadav, Saptarshi Mukherjee
Summary: This study comprehensively elucidates the role of the core and electrostatic surface of metal nanoclusters in catalytic reduction reactions. The electrostatic surface dramatically modulates the reactivity of metal nanoclusters.
Article
Chemistry, Multidisciplinary
Pei Liu, Mengdi Liang, Zhengwei Liu, Haiyu Long, Han Cheng, Jiahe Su, Zhongbiao Tan, Xuewen He, Min Sun, Xiangqian Li, Shuai He
Summary: This study demonstrates a simple and environmentally-friendly method for the synthesis of zinc oxide nanozymes (ZnO NZs) using wasted hop extract (WHE). The WHE-ZnO NZs exhibit exceptional peroxidase-like activity and serve as effective catalysts for the oxidation of 3,3,5,5-tetramethylbenzidine (TMB) in the presence of hydrogen peroxide (H2O2). In addition, a straightforward colorimetric technique for detecting both H2O2 and glucose was developed using the WHE-ZnO NZs as peroxidase-like catalysts.
Article
Chemistry, Multidisciplinary
Hyunkyu Oh, Young Jun Lee, Eun Ji Kim, Jinseok Park, Hee-Eun Kim, Hyunsoo Lee, Hyunjoo Lee, Bumjoon J. Kim
Summary: Mesoporous carbon particles have unique structural properties that make them suitable as support materials for catalytic applications. This study investigates the impact of channel nanostructures on the catalytic activity of porous carbon particles (PCPs) by fabricating PCPs with controlled channel exposure on the carbon surface. The results show that PCPs with highly open channel nanostructures exhibit significantly higher catalytic activity compared to those with closed channel nanostructures.
Article
Chemistry, Multidisciplinary
Yunjie Lu, Zhaohui Li, Zewei Li, Shihao Zhou, Ning Zhang, Jianming Zhang, Lu Zong
Summary: A tough, long-lasting adhesive and highly conductive nanocomposite hydrogel (PACPH) was fabricated via the synergy of interfacial entanglement and adhesion group densification. PACPH possesses excellent mechanical properties, interfacial adhesion strength, and conductivity, making it a promising material for long-term monitoring of human activities and electrocardiogram signals.
Article
Chemistry, Multidisciplinary
Zichao Wei, Audrey Vandergriff, Chung-Hao Liu, Maham Liaqat, Mu-Ping Nieh, Yu Lei, Jie He
Summary: We have developed a simple method to prepare polymer-grafted plasmonic metal nanoparticles with pH-responsive surface-enhanced Raman scattering. By using pH-responsive polymers as ligands, the aggregation of nanoparticles can be controlled, leading to enhanced SERS. The pH-responsive polymer-grafted nanoparticles show high reproducibility and sensitivity in solution, providing a novel approach for SERS without the need for sample pre-concentration.
Article
Chemistry, Multidisciplinary
Melis Ozge Alas Colak, Ahmet Gungor, Merve Buldu Akturk, Emre Erdem, Rukan Genc
Summary: This research investigates the effect of functionalizing carbon dots with hydroxyl polymers on their performance as electrode materials in a supercapacitor. The results show that the functionalized carbon dots exhibit excellent electrochemical performance and improved stability.