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Nano Research 2025年第1期18卷 10-20页

作者： Zongsheng Chen Yahui Wang Yi Liu Zhigang Li Xiangyin Lv Liping Liu Yajing Chang Jiaming Shi Xiao Zhang State Key Laboratory of Pulsed Power Laser Technology School of Electronic EngineeringNational University of Defense TechnologyHefei 230037China Anhui Provincial Laboratory of Advanced Laser Technology School of Electronic EngineeringNational University of Defense TechnologyHefei 230037China Centre for Environmental and Energy nanomaterials Anhui Key Laboratory of Nanomaterials and NanotechnologyCAS Centre for Excellence in NanoscienceInstitute of Solid State PhysicsHefei Institutes of Physical ScienceChinese Academy of SciencesHefei 230031China

Hierarchical hollow structure has demonstrated potential for enhancing electromagnetic(EM)attenuation and improving impedance matching,garnering significant attention for ***,we have successfully implemented compositional and structural engineering to fabricate hollow Mo2C/C microspheres with controllable composition by coupling interaction between dopamine hydrochloride and ammonium *** the synergistic effect of composition and hollow structure,the strongest reflection loss intensity and broadest effective absorption of the optimized sample reach-70.2 dB and 6.2 GHz,*** formation of hollow heterogeneous structures not only favors impedance matching feature,but also generates considerable contribution to EM attenuation ***,radar cross-section simulation data indicate that hollow Mo2C/C microspheres with compositional optimization and heterogeneous structures have broad prospects for practical applications.

关键词： electromagnetic absorption Mo2C/C microwave absorption hollow structure

Nanoparticles for the treatment of spinal cord injury

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Neural Regeneration Research 2025年第6期20卷 1665-1680页

作者： Qiwei Yang Di Lu Jiuping Wu Fuming Liang Huayi Wang Junjie Yang Ganggang Zhang Chen Wang Yanlian Yang Ling Zhu Xinzhi Sun Department of Orthopedic Surgery The First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenan ProvinceChina CAS Key Laboratory of Standardization and Measurement for nanotechnology CAS Key Laboratory for Biomedical Effects of Nanomaterials and NanosafetyCAS Center for Excellence in NanoscienceNational Center for Nanoscience and TechnologyBeijingChina University of Chinese Academy of Sciences BeijingChina Department of Neurosurgery The First Affiliated Hospital of Chongqing Medical UniversityChongqingChina

Spinal cord injuries lead to significant loss of motor, sensory, and autonomic functions, presenting major challenges in neural regeneration. Achieving effective therapeutic concentrations at injury sites has been a slow process, partly due to the difficulty of delivering drugs effectively. Nanoparticles, with their targeted delivery capabilities, biocompatibility, and enhanced bioavailability over conventional drugs, are garnering attention for spinal cord injury treatment. This review explores the current mechanisms and shortcomings of existing treatments, highlighting the benefits and progress of nanoparticle-based approaches. We detail nanoparticle delivery methods for spinal cord injury, including local and intravenous injections, oral delivery, and biomaterial-assisted implantation, alongside strategies such as drug loading and surface modification. The discussion extends to how nanoparticles aid in reducing oxidative stress, dampening inflammation, fostering neural regeneration, and promoting angiogenesis. We summarize the use of various types of nanoparticles for treating spinal cord injuries, including metallic, polymeric, protein-based, inorganic non-metallic, and lipid nanoparticles. We also discuss the challenges faced, such as biosafety, effectiveness in humans, precise dosage control, standardization of production and characterization, immune responses, and targeted delivery in vivo. Additionally, we explore future directions, such as improving biosafety, standardizing manufacturing and characterization processes, and advancing human trials. Nanoparticles have shown considerable progress in targeted delivery and enhancing treatment efficacy for spinal cord injuries, presenting significant potential for clinical use and drug development.

关键词： antioxidants axon regeneration biocompatible materials drug carriers nanoparticles nerve regeneration neuroinflammatory diseases neuroprotection spinal cord injury stem cells

Luminescence properties of rare earth complexes bonded to novel mesoporous spherical hybrid materials

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Journal of Rare Earths 2023年第1期41卷 60-66页

作者： Lin Huang Juan Wang Haipeng Zhang Guannan Zu Zhentao Wang Yonghong Fu Shaanxi Key Laboratory of nanomaterials and nanotechnology Xi'an University of Architecture and TechnologyXi'an 710055China

YVO_(4):Eu^(3+) phosphors have been widely used in optoelectronic integration fields of its chemical and thermal ***,the excitation spectrum band of VO_(4)^(3-) is too narrow for high-efficiency luminescence,restricting its further ***,flower-like and linear-like YVO_(4):Eu^(3+) hollow mesoporous spheres were synthesized and connected with Eu organic ligand,to obtain a new hybrid luminescent *** characterization shows that the pores of microspheres are in size of about 2-50 nm,sticked with regular morphology,well crystallized,and in uniform *** emission intensity of hybrid luminescent material is higher than that of single YVO_(4):Eu^(3+) and single Eu co mplexes realizing the purpose of mutually reinforcing luminesce *** paper provides a new idea to connect rare earth complexes for a new non-silicon-based mesoporous spherical matrix.

关键词： YVO_(4):Eu^(3+) Mesoporous spheres Hybrid material Luminescence Rare earths

Sunlight-activated AlFeO_3/TiO_2 photocatalyst

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Science China Chemistry 2006年第1期49卷 67-74页

作者： YUAN Zhihao WANG Yuhong SUN Yongchang WANG Jing BIE Lijian DUAN Yueqing nanomaterials & nanotechnology Research Center School of Materials Science & Engineering Tianjin University of Technology Tianjin 300191 China Nanomaterials & Nanotechnology Research Center School of Materials Science & Engineering Tianjin University of Technology Tianjin 300191 China Nanomaterials & Nanotechnology Research Center School of Materials Science & Engineering Tianjin University of Technology Tianjin 300191 China Nanomaterials & Nanotechnology Research Center School of Materials Science & Engineering Tianjin University of Technology Tianjin 300191 China Nanomaterials & Nanotechnology Research Center School of Materials Science & Engineering Tianjin University of Technology Tianjin 300191 China Nanomaterials & Nanotechnology Research Center School of Materials Science & Engineering Tianjin University of Technology Tianjin 300191 China

A nanocomposite photocatalyst composed of AlFeO3 and TiO2 is prepared, and charac-terized through X-ray diffraction. Application of the nanocomposite for the photodegradations of eosin dye and methyl orange gives an improved photoactivity compared with TiO2-only nanomaterials. The optimal concentration of AlFeO3 in the composite is about 1.0 wt% under UV excitation, and 9.0 wt% under sunlight excitation for the improved photoactivity. Furthermore, this nanocomposite is more active for eosin photodegradation if natural sunlight rather than UV is used. This may be due to the reason that adding AlFeO3 nanoparticles into TiO2 matrix can promote the separation of photogener-ated charge carriers, and extend the photoresponse of TiO2 toward visible region, which results in an increase in the solar energy utilization efficiency.

关键词： nanocomposite, photocatalysis, titania, aluminum ferrite.

Unlocking high-rate O3 layered oxide cathode for Na-ion batteries via ion migration path modulation

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Journal of Energy Chemistry 2023年第8期83卷 53-61,I0004页

作者： Guoliang Liu Weile Xu Jianghua Wu Yong Li Liping Chen Shuyue Li Qinghui Ren Juan Wang Shaanxi Key Laboratory of nanomaterials and nanotechnology Xi'an University of Architecture and TechnologyXi'an 710055ShaanxiChina

O3-NaNi1/3Fe1/3Mn1/3O2is a promising layered cathode material with high specific capacity,low cost,and simple ***,sluggish kinetic hindrance is attributed to the size discrepancy between the large Na-ion and narrow tetrahedral interstitial positions,leading to inferior rate capacity and low reversible ***,F with light-weight and strong electronegativity is introduced to substitute O atoms in the bulk structure,which intensifies the bond strength of transition metal and oxygen and enlarges the Na+diffusion *** addition,density-functional theory(DFT) calculations demonstrate that the electrostatic interaction is weakened between Na+in the tetrahedral site and the transitionmetal cation directly below it,dramatically reducing the migration barriers of Na+***,the as-obtained NaNi1/3Fe1/3Mn1/3O1.95F0.05sample displays outstanding rate performance of 86.7 mA h g^(-1)at 10 C and excellent capacity retention of 84.1% after 100 cycles at 2 ***,a full cell configuration using a hard carbon anode reaches the energy density of 307.7 Wh kg^(-1).This strategy paves the way for novel means of modulating the Na-ion migration path for high-rate O3-type layered cathode materials.

关键词： Sodium-ion batteries Layered cathode material Fdoping Kinetic hindrance lon migration path

Nickel doped zinc oxide nanoparticles produced by hydrothermal decomposition of nickel-doped zinc hydroxide nitrate

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Particuology 2012年第4期10卷 492-496页

作者： Mohammad Yeganeh Ghotbi nanomaterials and nanotechnology Program Ceramic Engineering DepartmentFaculty of EngineeringMalayer UniversityMalayerIran

Zinc hydroxide nitrate, an anionic exchanger layered material, undoped as well as doped with 2-10% nickel, was synthesized by using a pH-controlled precipitation method. The layered materials were then used to produce the undoped and nickel-doped zinc oxides by hydrothermal-treatment. X-ray diffraction, Fourier transform infrared spectroscopy and scanning electron microscopy confirmed the formation of pure phase undoped and nickel-doped layered materials, as well as the products of the hydrothermal- treated materials, nanostructured zinc oxides. Optical studies of the nanostructured zinc oxides showed a decrease in band gap with increasing content of the doping agent, nicke~.

关键词： NanostructureNickel doped zinc oxideChemical synthesisBand gap

Ternary solvent boosts two-dimensional perovskites

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Science Bulletin 2017年第7期62卷 462-463页

作者： Miaoqiang Lyu Lianzhou Wang nanomaterials Centre School of Chemical Engineering and Australian Institute for Bioengineering and NanotechnologyThe University of Queensland

In the past few years,organic–inorganic/inorganic lead halide perovskites,most notably CH3NH3Pb I3and its mixed cation/anion compounds,have attracted tremendous research interests in a wide range of different disciplines,which is largely initialized by their unprecedented success in low-cost and highly efficient solar *** certified efficiencies of over 22%in the lab-scale devices,

关键词： Pb Ternary solvent boosts two-dimensional perovskites NH

Perovskite solar modules hit new efficiency record

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Science Bulletin 2017年第19期62卷 1293-1294页

作者： Yang Bai Lianzhou Wang nanomaterials Centre Australian Institute for Bioengineering and Nanotechnology and School of Chemical EngineeringThe University of Queensland

The last few years witnessed exceptional advancement of organohalide perovskite photovoltaics owing to their intriguing optoelectronic *** power conversion efficiency(PCE)of the state-of-art lab-scale perovskite solar... 详细信息

关键词：太阳能电池钙钛矿组件功率转换效率实验室规模光电特性 PSCs 孔面积

Noble-metal-free MoS2/Ta3N5 heterostructure photocatalyst for hydrogen generation

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Progress in Natural Science:Materials International 2018年第2期28卷 189-193页

作者： Mu Xiao Bin Luo Supphasin Thaweesak Lianzhou Wang nanomaterials Centre School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology the University of Queensland

A noble-metal-free heterostructure composed of Ta3N5nanosheets and MoS2co-catalyst was developed as an efficient photocatalyst for hydrogen production. In special, the MoS2/Ta3N5heterostructure with 5.2 wt% of MoS2exhibits a H2generation rate of 119.4 μmol h-1g-1, which is comparable to that of Ta3N5nanosheets with Pt as co-catalyst. The efficient H2 generation for MoS2/Ta3N5 heterostructure is resulted from the short diffusion distance of photo-excited charge carriers in Ta3 N5 nanosheets, efficient transfer of electrons from Ta3 N5 nanosheets to MoS2surface, and reduced overpotential for water reduction. Furthermore, the stability of the MoS2/Ta3N5heterostructured photocatalysts are evaluated for the photocatalytic H2generation.

关键词： MoS2 Ta3N5 nanosheets Heterostructure Photocatalysis Hydrogen evolution

Recent Progress on Visible Light Responsive Heterojunctions for Photocatalytic Applications

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Journal of Materials Science & Technology 2017年第1期33卷 1-22页

作者： Songcan Wang Jung-Ho Yun Bin Luo Teera Butburee Piangjai Peerakiatkhajohn Supphasin Thaweesak Mu Xiao Lianzhou Wang nanomaterials Centre School of Chemical EngineeringAustralian Institute for Bioengineering and NanotechnologyThe University of QueenslandBrisbaneQLD 4072Australia

Photocatalysis has attracted much attention in recent years due to its potential in solving energy and environmental issues. Even though numerous achievements have been made, the photocatalytic systems developed to date are still far from practical applications due to the low efficiency and poor durability. Efficient light absorption and charge separation are two of the key factors for the exploration of high performance photocatalytic systems, which is generally difficult to be obtained in a single photocata- lyst. The combination of various materials to form heterojunctions provides an effective way to better harvest solar energy and to facilitate charge separation and transfer, thus enhancing the photocatalytic activity and stability. This review concisely summarizes the recent development of visible light respon- sive heterojunctions, including the preparation and performances of semiconductor/semiconductor junctions, semiconductor/cocatalyst junctions, semiconductor/metal junctions, semiconductor/non- metal junctions, and surface heterojunctions, and their mechanism for enhanced light harvesting and charge separation/transfer.

关键词： Heterojunction Photocatalysis Water splitting Carbon dioxide reduction Organic pollutant degradation Visible light