Article
Chemistry, Multidisciplinary
Aaron Bayles, Shu Tian, Jingyi Zhou, Lin Yuan, Yigao Yuan, Christian R. Jacobson, Corbin Farr, Ming Zhang, Dayne F. Swearer, David Solti, Minghe Lou, Henry O. Everitt, Peter Nordlander, Naomi J. Halas
Summary: This study introduces Al@TiO2 core-shell nanoparticles as active photocatalysts for hot electron-mediated H-2 dissociation reaction and hot hole-mediated methanol dehydration. The research indicates that the photocatalytic mechanism involves plasmonic hot carrier generation and subsequent transfer into the TiO2 layer. The Al@TiO2 antenna-reactor offers an earth-abundant solution for the future design of visible-light-driven plasmonic photocatalysts.
Article
Chemistry, Multidisciplinary
Shihong Wang, Yan Zhang, Yiyi Zheng, Yanbo Xu, Guodong Yang, Shuxian Zhong, Yuling Zhao, Song Bai
Summary: A smart design of semiconductor/metal/semiconductor stacked core-shell structure is demonstrated in this research, which significantly enhances the photocatalytic activity of CO2 reduction by adjusting the electron and hole transfer between the metal and semiconductor.
Article
Optics
Pradeep Bhatia, S. S. Verma, M. M. Sinha
Summary: The study found that the localized surface plasmon resonance (LSPR) for absorption and efficiency strongly rely on the geometry, aspect ratio, core sizes, and shell thickness of the nanoparticle. The absorption spectra generally fall within the 335-717 nm wavelength ranges and can be adjusted for desired biomedical applications in the UV-NIR region of the electromagnetic spectrum.
JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER
(2021)
Article
Chemistry, Physical
A. Dutta, B. Pihuleac, Y. Chen, C. Zong, L. Dal Negro, C. Yang
Summary: The use of CSS plasmonic nanoparticles has shown significant enhancement in the photocatalytic performance of PEC photoanodes using hematite as a testing system. The optimized CSS NPs have demonstrated double resonance peaks and spatially uniform electric field distributions, resulting in improved photocurrent density and potential for increasing carrier generation in hematite photoelectrocatalytic systems.
MATERIALS TODAY ENERGY
(2021)
Article
Chemistry, Physical
Huiqin An, Zhaotao Lv, Kun Zhang, Congying Deng, Hong Wang, Zongwei Xu, Meiri Wang, Zhen Yin
Summary: The study successfully enhanced the hydrogen production efficiency during the water splitting process by constructing the Au@Pt/ZIS photocatalyst, with experimental results showing its remarkable hydrogen production capability compared to ZIS.
APPLIED SURFACE SCIENCE
(2021)
Article
Nanoscience & Nanotechnology
Xiaofei Zhao, Zhen Li, Jing Yu, Chonghui Li, Shicai Xu, Fengrui Li, Chentao Zhang, Baoyuan Man, Chao Zhang
Summary: In this study, a ternary heterostructure PVDF/ZnO/Au (PZA) nanobrush photocatalyst with high piezo-photocatalytic efficiency was synthesized. Under both solar and mechanical energy, the PZA nanobrush exhibited significantly increased catalytic degradation rate compared to solar alone and mechanical energy alone. The high piezo-photocatalytic activity of PZA nanobrush can be attributed to the surface plasmon resonance (SPR) coupling of Au and the built-in electric field from ZnO and PVDF.
Article
Chemistry, Applied
Qin Zhang, Luying He, Karuppasamy Kohila Rani, Deyin Wu, Jiaojiao Han, Yanhong Chen, Wenjin Su
Summary: The rapid colorimetric detection of neomycin sulfate was achieved using polyvinyl pyrrolidone-coated gold nanoparticles (Au@PVP NPs) solution. The method showed excellent performance with high sensitivity, low cost, and satisfaction recovery in a wide linear range for neomycin sulfate determination.
Article
Chemistry, Physical
Ying Wang, Yonglong Li, Zhao Zhang, Wei Xie
Summary: Plasmonic photocatalysis is a promising strategy for inducing chemical transformations under visible-light irradiation. However, efficient utilization of hot electrons on monometallic nanoparticles remains challenging. In this study, Au-core-Ag-shell bimetallic nanoparticles showed higher catalytic activity than pure Au and Ag nanoparticles for the reduction of 4-nitrothiophenol to 4,4'-dimercaptoazobenzene. The catalytic activity was dependent on the thickness of the Ag shell and could be explained by hot-electron-hole separation at the bimetallic interface. This work provides new opportunities for enhancing the efficient utilization of hot electrons in plasmonic photocatalysis reactions.
Article
Chemistry, Physical
Junhao Cai, Jianrui Cao, Heng Tao, Ruoping Li, Mingju Huang
Summary: A novel 3D core-shell nanostructure decorated with plasmonic Au nanoparticles was prepared for efficient photoelectrochemical water splitting, achieving a photoconversion efficiency and photocurrent density 4.80 and 4.33 times higher than ZnO nanosheets, respectively.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Multidisciplinary
Zixin Wang, Hui Wang
Summary: This study synthesized Au@C/Pt core@shell/satellite supra-nanostructures and demonstrated the modulation of catalytic reaction kinetics through plasmonic antenna effects and photothermal transduction. The interplay between plasmonic and catalytic effects in these antenna-reactor nanohybrids was investigated using a specific model reaction.
NANOSCALE ADVANCES
(2023)
Article
Chemistry, Multidisciplinary
Yu Zhong, Fengming Wang, Chuangming Liang, Zeyi Guan, Bingshang Lu, Xin He, Weijia Yang
Summary: This work presents the fabrication of ZnO@MoS2 core-shell micro/nanomaterials and their photocatalytic performances. The ZnO@MoS2 core-shell micro/nanorods heterostructures were grown using a two-step hydrothermal method. Characterization techniques including X-ray diffraction, scanning-electron microscopy, Raman spectra, and UV-visible spectra were used to confirm the structure of the ZnO@MoS2 core-shell micro/nanorods. Methylene blue was employed to evaluate the photocatalytic performance, revealing that the shape of the MoS2 shell layer depended on the growth time. Additionally, it was found that the photocatalytic performance was significantly influenced by the growth time of the MoS2 nanosheets, with the ZnO@MoS2 core-shell heterostructures grown for 6 hours showing the highest efficiency.
APPLIED SCIENCES-BASEL
(2022)
Article
Chemistry, Physical
Siddharth Singh, Santosh Kumari, Monika Ahlawat, Vishal Govind Rao
Summary: This study demonstrates the synthesis of efficient Au-Pd core-shell nanoparticles that combine catalytic activity with plasmonic enhancement. The Au-Pd CS NPs showed high conversion rates for NADH regeneration under visible light irradiation. The mechanism of plasmonic enhancement was investigated through isothermal reactions and kinetic studies, revealing the energetic charge carrier generation as the driving force. This research expands the understanding of plasmon-driven catalysis and provides insights for improving catalytic efficiency.
JOURNAL OF PHYSICAL CHEMISTRY C
(2022)
Article
Nanoscience & Nanotechnology
Diptiranjan Paital, Tarun Bansal, Saumyakanti Khatua
Summary: The development of efficient and stable photocatalytic systems is crucial for the advancement of renewable energy technologies. We report on the synthesis of Au@MnOx core-shell nanoparticles that exhibit efficient electrochemical water oxidation reaction at a low onset overpotential requirement. Under visible light excitation, the Au@MnOx catalyst shows improved activity, lower overpotential requirement, and generates a photocurrent of 128 mu A/cm(2) at 1 V applied potential. The nanoparticles also demonstrate good stability under prolonged photoexcitation up to 2000 s.
ACS APPLIED NANO MATERIALS
(2022)
Article
Optics
Abolfazl Jangjoy, Samiye Matloub
Summary: This study demonstrates the enhancement of power conversion efficiency in thin film organic-inorganic halide perovskite solar cells through embedding triple-core-shell spherical plasmonic nanoparticles into the absorber layer. Numerical simulations show that the short-circuit current density of the proposed perovskite solar cell can be increased by approximately 25% and 29% with embedded dielectric-gold-dielectric and dielectric-silver-dielectric nanoparticles, respectively. Additionally, the use of an ultra-thin perovskite absorber layer reduces lead toxicity.
Article
Nanoscience & Nanotechnology
Shouren Zhang, Wenjing Yi, Yanzhen Guo, Ruibin Jiang, Xiao-Lan Chen, Baocheng Yang, Jianfang Wang
Summary: This study demonstrates the driving of click reactions using (plasmonic Au nanosphere core)@(Cu2O shell) nanostructures under near-infrared light illumination. The hybrid nanostructures exhibit excellent catalytic performance for the regioselective production of 1,2,3-triazoles, with reaction yields about two times higher than reactions under thermal heating. The presence of methanol reducing reaction yields suggests the crucial role of plasmonic hot holes in the click reactions. The results provide valuable insights for designing high-performance plasmonic photocatalysts for various regioselective organic reactions.
ACS APPLIED NANO MATERIALS
(2021)
Review
Energy & Fuels
Shaoyang Wu, Siyu Wu, Yugang Sun
Summary: Dry reforming of methane (DRM) offers the potential to produce syngas with low H2/CO ratios using greenhouse gases methane and carbon dioxide as feedstock. The key to implementing DRM for syngas production is synthesizing active and selective catalysts and developing stable and durable operation protocols. High-temperature operation and carbon deposition on catalyst surfaces are significant challenges hindering the adaptation of DRM in industry.
Article
Chemistry, Physical
Changchang Xing, Dilong Liu, Jinxing Chen, Yulong Fan, Fei Zhou, Keerat Kaur, Weiping Cai, Yue Li
Summary: By modulating the convective self-assembly of colloidal nanoparticles on a templating NCP nanoparticle array, two-dimensional NCP binary Au nanoparticle arrays with tunable optical properties were constructed. The assembled arrays showed potential for applications in anti-counterfeiting measures.
CHEMISTRY OF MATERIALS
(2021)
Article
Engineering, Environmental
Haoming Bao, Le Zhou, Dilong Liu, Hongwen Zhang, Shuyi Zhu, Hao Fu, Weiping Cai
Summary: By fabricating oxygen-vacancy-rich tin dioxide-wrapped gold nanoparticles, strong light absorption and efficient charge separation are achieved, resulting in excellent photocatalytic performance in removing gaseous ammonia.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Multidisciplinary
Changchang Xing, Shichuan Zhong, Dilong Liu, Tao Zhang, An Cao, Pan Zeng, Dandan Men, Cuncheng Li, Weiping Cai, Yue Li
Summary: A facile route to fabricate hydrogel film@Au nanoparticle array composite for SERS substrate with high signal sensitivity and uniformity is developed based on self-assembly co-assisted by electrostatic reaction and hydrogel-shrinkage. The key lies in the shrinkage of hydrogel film during the assembly process, leading to the formation of hexagonal close-packed Au NP arrays. This innovative method paves the way for fabricating functional NP arrays on soft hydrogel, beneficial for the preparation of micro/nano-structured devices.
ADVANCED MATERIALS INTERFACES
(2021)
Article
Chemistry, Multidisciplinary
Xuejiao Li, Tao Zhang, Zhiming Chen, Jie Yu, An Cao, Dilong Liu, Weiping Cai, Yue Li
Summary: A route has been developed for directly growing 2D Au polyhedron arrays with controllable facets by using substrate-supported 2D Au quasi-spherical nanoparticle arrays as seed arrays. Polyvinyl pyrrolidone (PVP) is crucial in guiding the reduced Au atoms and stabilizing the Au seeds, while thermodynamic control allows PVP to direct the formation of {111} facets. The proposed fabrication approach enriches the structural diversity of Au nanoarrays and overcomes the limitations of traditional lithography.
Article
Chemistry, Multidisciplinary
Feng Hu, Kowsalya Devi Rasamani, Sasitha C. Abeyweera, Dongtang Zhang, Yugang Sun
Summary: In this study, poly(acrylic acid) (PAA) was introduced into Stober synthesis solutions to mediate the nucleation of TEOS hydrolysates and growth of SiO2 nanoparticles. PAA reacted with ammonia to form soft PAA-NH3 complex colloids, providing transient seeds to facilitate heterogeneous nucleation and growth of SiO2 nanoparticles. Highly uniform SiO2 nanoparticles with finely tuned size in the sub-100 region were successfully synthesized using this method.
Article
Chemistry, Physical
Qilin Wei, Matas Simukaitis, Siyu Wu, Jonathan J. Foley IV, Yugang Sun
Summary: The optical absorption characteristics of ultrafine metal nanoparticles supported on silica spheres were investigated. It was found that the optical absorption of the nanoparticles was influenced by three types of scattering: localized light-scattering resonances, nonunidirectional diffuse light scattering, and photonic reflection from ordered packing of composite particles. Deconvolution of the optical absorption allows for the rational design of composite materials with desired absorption properties.
JOURNAL OF PHYSICAL CHEMISTRY C
(2022)
Article
Chemistry, Physical
Xuan Liu, Xiaoyi Zhang, Dmitry Khakhulin, Peiyuan Su, Michael Wulff, Francois Baudelet, Tsu-Chien Weng, Qingyu Kong, Yugang Sun
Summary: The photolysis reaction pathways of [Au(III)Cl4]- in aqueous solution were studied, showing that UV excitation breaks the Au-Cl bond to form [Au(II)Cl3]-, which then becomes highly reactive. On the other hand, intense near-infrared lasers can generate hydrated electrons from water to reduce [Au(III)Cl4]- to [Au(II)Cl3]-, leading to the formation of Au nanoparticles.
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
(2022)
Article
Chemistry, Multidisciplinary
Shichuan Zhong, Lifeng Hang, Lulu Wen, Tao Zhang, An Cao, Pan Zeng, Hanlin Zhang, Dilong Liu, Weiping Cai, Yue Li
Summary: We developed a tunable, ultrafast (5 seconds), and mass-producible seed-mediated synthesis method to prepare branched Au superparticles consisting of multiple small Au island-like nanoparticles by a wet chemical route. We revealed and confirmed the toggling formation mechanism of Au superparticles between the Frank-van der Merwe (FM) growth mode and the Volmer-Weber (VW) growth mode. These Au superparticles demonstrate broadband absorption from visible to near-infrared regions due to their multiple plasmonic coupling, making them suitable for applications in sensors, photothermal conversion, and therapy.
NANOSCALE ADVANCES
(2023)
Article
Chemistry, Multidisciplinary
Shea Stewart, Robert Maloney, Yugang Sun
Summary: Triphenylphosphine oxide (TPPO) and triphenylphosphine (TPP) form a complex in solution, allowing visible light absorption to induce electron transfer and generate radicals. These radicals react with thiols to produce carbon radicals, which then react with aryl alkenes to form new C-C bonds. The method reported in this work does not require the explicit addition of a photocatalyst, as TPP can be easily oxidized to TPPO by ambient oxygen. This study highlights the potential of TPPO as a catalytic photo-redox mediator in organic synthesis.
CHEMICAL COMMUNICATIONS
(2023)
Article
Chemistry, Multidisciplinary
An Cao, Jingyi Tan, Dilong Liu, Zhiming Chen, Liguang Dou, Zhiqiang Liu, Yue Li
Summary: This study investigates the migration velocity differences of plasmonic nanoparticle oligomers in gel electrophoresis and finds that the mass property plays a crucial role. Theoretical simulations reveal that random inelastic collisions contribute to the mass-determining role. Guided by this role, direct electrophoretic separation of hetero-structured plasmonic dimers with high purity and yield can be easily achieved.
Article
Chemistry, Multidisciplinary
Sasitha C. Abeyweera, Matas Simukaitis, Qilin Wei, Yugang Sun
Summary: Selective reduction of CO2 into liquid products such as ethanol through electrochemical catalysis is promising, but the lack of efficient catalysts has been challenging. This study reports a new strategy for synthesizing bimetallic nanostructures with Ag/Cu boundaries, which facilitate the coupling reaction between high-oxidation-number and low-oxidation-number intermediates. The synthesized catalyst showed high Faradaic efficiency for ethanol production and suppressed undesirable hydrogen evolution reaction, maintaining high energy efficiency.
Article
Materials Science, Multidisciplinary
An Cao, Tao Zhang, Dilong Liu, Changchang Xing, Shichuan Zhong, Xuejiao Li, Pan Zeng, Yue Li
Summary: A simple electrostatic self-assembly strategy was utilized to fabricate a 2D Janus PS@Au nanoraspberry photonic-crystal array with strong near-infrared (NIR) SERS performance. The opposite charges allowed small positively-charged Au nanoparticles to effectively self-assemble on larger negatively-charged PS latex photonic crystal, allowing for highly controllable deposition of Au nanoparticles. The Janus PS@Au nanoraspberry arrays exhibited strong NIR-SERS activity with high enhancement factor and ultra-low molecular detection limit.
MATERIALS ADVANCES
(2022)
Article
Chemistry, Multidisciplinary
Tao Zhang, Xuejiao Li, Yiqiang Sun, Dilong Liu, Cuncheng Li, Weiping Cai, Yue Li
Summary: The study introduced a kinetically controlled seed-mediated growth strategy to synthesize various types of penta-twinned gold nanocrystals. By tailoring the deposition kinetics of adatoms on different sites of decahedral seeds, nanocrystals with tunable sizes and high purity were readily achieved in one system. This general paradigm for the kinetic growth of penta-twinned crystals opens new avenues for mechanistic investigation in nanocrystal synthesis.
Article
Materials Science, Multidisciplinary
Dilong Liu, Rashed Aleisa, Zepeng Cai, Yue Li, Yadong Yin
Summary: Controllable assembly of molecular and nanoscale building blocks into uniform superstructures up to bulk dimensions is achieved through the self-assembly process using transient aqueous emulsion droplets. This method allows for the super-structuring of various types and shapes of nanoparticles, biomolecules, and inorganic compounds without the need for surfactants and chemical modifications, offering versatility, scalability, low-cost, and accurate positioning for advanced precision manufacturing in the future.
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.
