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Chinese Journal of Chemistry 2021年第9期39卷 2626-2637页

作者： Yang Yang jianwei su Peng Jiang Jitang Chen Lin Hu Qianwang Chen Hefei National Laboratory for Physical Science at Microscale Department of Materials Science&EngineeringUniversity of Science and Technology of ChinaHefeiAnhui 230026China The Anhui Key Laboratory of Condensed Mater Physics at Extreme Conditions High Magnetic Field LaboratoryHefei Institutes of Physical ScienceChinese Academy of SciencesHefeiAnhui 230031China

Despite progress over the past few years in developing efficient low-cost catalysts,precious metals are still the best catalysts for hydrogen evolution reaction(HER),oxygen evolution reaction(OER),and oxygen reduction reaction(ORR).However;the natural scarcity and high cost greatly hamper their large-scale *** combination of graphene shell with metal core could tune the electronic structure of carbon active ***,nitrogen doped graphene encapsulated metal or alloy(M@NG)has emerged as novel and fascinating *** this review,we focus on some recent advances in designing M@NG electrocatalysts for HER,OER and ORR through tuning electronic structure and activity of carbon active *** have summarized some facile and universal strategy for synthesizing various M@NG via direct annealing of metal-organic frameworks(MOFs).With elaborated MOFs precursor design,careful control over the nitrogen doping level,metal element types and alloy structure,the electronic structure of carbon active sites can be rationally tuned to optimize activity for different electrochemical *** hope this review can provide new insights into the design of M@NG with high catalytic activity.

关键词： Metal-organic frameworks Graphene Alloys Electronic structure Electrocatalysts

Salt-assisted chemical vapor deposition of two-dimensional materials

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Science China Chemistry 2019年第10期62卷 1300-1311页

作者： Wei Han Kailang Liu Sanjun Yang Fakun Wang jianwei su Bao Jin Huiqiao Li Tianyou Zhai State Key Laboratory of Material Processing and Die and Mould Technology School of Materials Science and EngineeringHuazhong University of Science and Technology

Two-dimensional(2D) materials with atomic thickness are promising candidates for the applications in future semiconductor devices, owing to their fascinating physical properties and superlative optoelectronic performance. Chemical vapor deposition(CVD) is considered to be an efficient method for large-scale preparation of 2D materials toward practical ***, the high melting points of metal precursors and the thermodynamics instabilities of metastable phases limit the direct CVD synthesis of plenty of 2D materials. The salt has recently been introduced into the CVD process, which proved to be effective to address these issues. In this review, we highlighted the latest progress in the salt-assisted CVD growth of 2D materials, including layered and non-layered crystals. Firstly, strategies of adding salts are summarized. Then, the salt-assisted growth of various layered materials is presented, emphasizing on the transition metal chalcogenides of stable and metastable phases. Furthermore, strategies to grow ultrathin non-layered materials are discussed. We provide viewpoints into the techniques of using salt, the effects of salt, and the growth mechanisms of 2D crystals. Finally, we offer the challenges to be overcome and further research directions of this emerging salt-assisted CVD technique.

关键词： salt-assisted chemical vapor deposition 2D materials transition metal dichalcogenides non-layered materials

Inversion symmetry broken 2D SnP_(2)S_(6) with strong nonlinear optical response

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Nano Research 2022年第3期15卷 2391-2398页

作者： Yue Zhang Fakun Wang Xin Feng Zongdong sun jianwei su Mei Zhao Shuzhe Wang Xiaozong Hu Tianyou Zhai State Key Laboratory of Materials Processing and Die&Mould Technology and School of Materials Science and EngineeringHuazhong University of Science and TechnologyWuhan 430074China Henan Key Laboratory of Crystalline Molecular Functional Materials Henan International Joint Laboratory of Tumor Theranostical Cluster MaterialsGreen Catalysis Centerand College of ChemistryZhengzhou UniversityZhengzhou 450001China

Nowadays,realizing miniaturized nonlinear optical(NLO)device is crucial to meet the growing needs in on-chip nanophotonics as well as compact integrated *** strong optical nonlinearities,ultrafast photoexcitation dynamics,available exciton effects as well as without lattice matching make two-dimensional(2D)layered materials potential candidates for integrated and nano-scale NLO ***,a novel and inversion symmetry broken 2D layered SnP_(2)S_(6)with strong second-harmonic and third-harmonic response has been reported for the first *** second-order susceptibility(χ^(2))of SnP_(2)S_(6)flakes can reach up to 4.06×10^(−9)m·V^(−1)under 810 nm excitation wavelength,which is around 1–2 orders of magnitude higher than that of most reported 2D *** addition,the NLO response of 2D SnP_(2)S_(6)can break through the limitation of odd/even layers and exhibit broadband spectral ***,since the second-harmonic signal is closely related to structure variation,the second-harmonic response in 2D SnP_(2)S_(6)is extremely sensitive to polarization angle and temperature,which is beneficial to some specific *** excellent NLO response in 2D SnP_(2)S_(6)provides a new arena for realizing miniaturized NLO devices in the future.

关键词： two-dimensional(2D)layered materials SnP_(2)S_(6) nonlinear optics third-harmonic generation second-harmonic generation

Few-layered organic single-crystalline heterojunctions for high-performance phototransistors

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Nano Research 2022年第3期15卷 2667-2673页

作者： Xinzi Tian Jiarong Yao Lijuan Zhang Bin Han jianwei Shi jianwei su Jie Liu Chunlei Li Xinfeng Liu Tianyou Zhai Lang Jiang Fangxu Yang Xiaotao Zhang Ye Zou Rongjin Li Wenping Hu Tianjin Key Laboratory of Molecular Optoelectronic Sciences Department of ChemistrySchool of ScienceTianjin UniversityTianjin 300072China Joint School of National University of Singapore and Tianjin University International Campus of Tianjin UniversityBinhai New CityFuzhou 350207China CAS Key Laboratory of Standardization and Measurement for Nanotechnology CAS Center for Excellence in NanoscienceNational Center for Nanoscience and TechnologyBeijing 100190China State Key Laboratory of Materials Processing and Die&Mould Technology School of Materials Science and EngineeringHuazhong University of Science and Technology(HUST)Wuhan 430074China National Laboratory for Molecular Sciences Key Laboratory of Organic SolidsInstitute of ChemistryChinese Academy of SciencesBeijing 100190China

Photogating and electrical gating are key physical mechanisms in organic phototransistors(OPTs).However,most OPTs are based on thick and polycrystalline films,which leads to substantially low efficiency of both photogating and electrical gating and thus reduced ***,high-performance OPTs based on few-layered organic single-crystalline heterojunctions are proposed and the obstacle of thick and polycrystalline films for photodetection is *** of the molecular scale thickness of the type I organic single-crystalline heterojunctions in OPTs,both photogating and electrical gating are highly *** synergy of efficient photogating and electrical gating,key figures of merit of OPTs reach the highest among those based on planar heterojunctions so far as we *** production of few-layered organic single-crystalline heterojunctions will provide a new type of advanced materials for various applications.

关键词： two-dimensional(2D)molecular crystals organic single crystals organic heterojunctions organic phototransistors

Boosting oxygen reduction in acidic media through integration of Pt-Co alloy effect and strong interaction with carbon defects

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Nano Research 2024年第9期17卷 7900-7908页

作者： Nannan Ji Haoyun Sheng Shilong Liu Yangyuan Zhang Hongfei sun Lingzhi Wei Ziqi Tian Peng Jiang Qianwang Chen jianwei su Institutes of Physical Science and Information Technology Key Laboratory of Structure and Functional Regulation of Hybrid MaterialsAnhui UniversityHefei 230601China Ningbo Institute of Materials Technology and Engineering Chinese Academy of SciencesNingbo 315201China Hefei National Laboratory for Physical Science at Microscale Department of Materials Science&EngineeringUniversity of Science and Technology of ChinaHefei 230026China International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education Institute of Microscale OptoelectronicsShenzhen UniversityShenzhen 518060China

Optimization of Pt atom utilization efficiency is critical for the development of proton-exchange-membrane fuel *** we aim to develop an efficient oxygen reduction reaction(ORR)catalyst with a low Pt content through the concurrent modification of Pt-Co alloy catalysts and carbon *** the present study,ultrafine Pt-Co alloy nanoparticles are successfully synthesized and stabilized by topological carbon defects via adopting the ammonia thermal *** the low Pt loading,the obtained catalyst exhibits an impressive half-wave potential of 0.926 V versus the reversible hydrogen electrode in 0.1 M HClO_(4)***,the durability testing using the timed-current method demonstrates a tiny loss of only 3.6%after 12 *** experimental results and theoretical calculations demonstrate that topological carbon defects significantly enhance the charge transfer processes at the alloy/carbon interface,contributing to the strong electronic metal-support interactions between the Pt-Co alloy nanoparticles and topological carbon *** interactions,along with the alloy effect,play a crucial role in promoting the ORR performance in acidic media.

关键词： electrocatalysis oxygen reduction reaction Pt-Co alloy electronic interaction topological carbon defects

Synthesis of 2D ternary layered manganese phosphorous trichalcogenides towards ultraviolet photodetection

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Science China Materials 2021年第9期64卷 2251-2260页

作者： Guiheng Liu jianwei su Xin Feng Huiqiao Li Tianyou Zhai State Key Laboratory of Materials Processing and Die&Mould Technology School of Materials Science and EngineeringHuazhong University of Science and TechnologyWuhan 430074China

Manganese phosphorous selenium(MnPSe_(3)),as a representative of layered metal phosphorus trichalcogenides(MPTs),has gained significant attention due to its direct bandgap,high carrier mobility,large absorption coefficient,which indicate great potential in photoelectric ***,high-quality two-dimensional(2D)MnPSe_(3) flakes were mechanically exfoliated from the corresponding bulk crystals synthesized by chemical vapor transport(CVT)*** systematic investigation was applied to the lattice vibrations of MnPSe_(3) via angle-resolved polarized Raman spectroscopy(ARPRS),and the Raman vibration modes were determined based on Raman selection rules and crystal ***,the photodetectors based on 2D MnPSe_(3) flakes exhibit excellent photoresponse to the ultraviolet light with a responsivity up to 22.7 A W^(-1) and a detectivity of 2.4×10^(11) *** high performance in the ultraviolet range signifies that 2D MnPSe_(3) is expected to be a powerful candidate for future ultraviolet photodetection.

关键词： 2D materials MnPSe3 ternary materials ultraviolet photodetection phosphorus trichalcogenides

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数据治理中“打包式”知情同意模式的再检视

情报杂志 2021年第2期40卷 154-160,122页

作者：梅傲苏建维西南政法大学国际法学院重庆401120

[目的/意义]“知情同意”模式一直是数据处理重要的合法性基础,但其在适用过程中也存在现实困境。我国《数据安全法》和《个人信息保护法》尚在持续完善之中,我国要深度参与全球数据治理,就需要关注“知情同意”的有关问题。[方法/过程... 详细信息

[目的/意义]“知情同意”模式一直是数据处理重要的合法性基础,但其在适用过程中也存在现实困境。我国《数据安全法》和《个人信息保护法》尚在持续完善之中,我国要深度参与全球数据治理,就需要关注“知情同意”的有关问题。[方法/过程]以谷歌公司因涉嫌违反欧盟《一般数据保护条例》而被法国国家信息与自由委员会开出巨额罚单一案为考察中心,从算法的特征、个人数据的多样性以及数据主体与数据控制者间的关系三个角度揭示“知情同意”模式存在的问题,从案件焦点回归现实困境,寻求改良现有“知情同意”模式的方法。[结果/结论]一方面要强化数据控制者的责任与义务,从外部监管、内部优化以及事后救济三个维度补充“知情同意”模式的效力,另一方面要引入“动态同意”模式,稳固“知情同意”模式的法律基础。

关键词： CNIL v.Google案 GDPR条例知情同意动态同意个人数据保护数量治理

Trapping effect of synthetic pheromone blends on two stem borers,Chilo suppressalis and Scripophaga incertulas

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Rice Science 2002年第2期10卷 8-9页

作者： su jianwei SHENG Chengfa Inst of Zoology,the Chinese Acade-my of Sciences,Beijing 10080,China Inst of Zoology the Chinese Academy of Sciences Beijing 100080 China

Two internal feeders of rice plant,rice stem borer, Chilo suppressalis(Walker) and yellow stem borer,Scirpophaga incertulas (Walker) aremajor hurdles in achieving higheryields in Central China. Syntheticsex pheromone ... 详细信息

关键词： stem SMI

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荷兰“替代教师教育”质量保证研究

外国中小学教育 2012年第10期 37-41,30页

作者：李鹏苏建伟广东惠州学院数学系海南师范大学数学与统计学院

解决师资缺乏的问题,荷兰教育当局实行了替代认证项目(ACP),以速成化培训合格教师。在荷兰教师教育的变化背景之下,本文针对学习目标设计、教师教育者、学校、学习环境、评价方式等五个方面的质量标准进行评价反思,为我国教师资格认证... 详细信息

解决师资缺乏的问题,荷兰教育当局实行了替代认证项目(ACP),以速成化培训合格教师。在荷兰教师教育的变化背景之下,本文针对学习目标设计、教师教育者、学校、学习环境、评价方式等五个方面的质量标准进行评价反思,为我国教师资格认证制度改革过程的评价发展提供一定的借鉴。

关键词：荷兰教师教育替代认证项目质量保证

生成式AI时代交互范式与人机关系的重构——从图形控件交互到自然交互

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西南民族大学学报（人文社会科学版） 2024年第4期45卷 129-134页

作者：喻国明苏健威北京师范大学新闻传播学院北京100875

生成式人工智能应用的流行推动了自然交互范式的勃兴,该范式允许用户使用自然语言与人工智能展开多轮对话以满足用户需求。人机交互范式的变革是由技术革新作为内因以及社会需求转向作为外因所驱动的。自然交互范式具有三大特征,其一是... 详细信息

生成式人工智能应用的流行推动了自然交互范式的勃兴,该范式允许用户使用自然语言与人工智能展开多轮对话以满足用户需求。人机交互范式的变革是由技术革新作为内因以及社会需求转向作为外因所驱动的。自然交互范式具有三大特征,其一是人类调度机器的粒度加细,其二是人机交互的信息通量加大,其三是自然交互更加符合人类直觉。自然交互范式将驱动人机关系的深刻变革,首先自然交互将加深技术具身关系,促进机器与人类身心的融合;其次自然交互将驱动社会信息传播生态中机器超越“分发把关”演化为“价值把关”;最后自然交互将促进机器智能的涌现,从而使人类智能与机器智能呈现出双向发展的特征。

关键词：生成式人工智能人机交互自然交互人机关系