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ITO-free silicon-integrated perovskite electrochemical cell for light-emission and light-detection

Opto-Electronic Advances 2023年第9期6卷 45-58页

作者： Maria Baeva dmitry Gets Artem Polushkin Aleksandr Vorobyov Aleksandr Goltaev Vladimir Neplokh Alexey Mozharov dmitry VKrasnikov Albert GNasibulin Ivan Mukhin Sergey Makarov Alferov University Khlopina 8/3St.Petersburg 194021Russia Department of Physics and Engineering ITMO UniversityLomonosova 9St.Petersburg 197101Russia Institute of Automation and Control Processes(IACP) Far Eastern Branch of Russian Academy of SciencesUlitsa Radio 5Vladivostok 690041Primorsky KraiRussia Peter the Great St.Petersburg Polytechnic University Polytechnicheskaya 29St.Petersburg 195251Russia Skolkovo Institute of Science and Technology Nobel 3Moscow 121205Russia Qingdao Innovation and Development Center Harbin Engineering UniversityQingdao 266000China.

Halide perovskite light-emitting electrochemical cells are a novel type of the perovskite optoelectronic devices that differs from the perovskite light-emitting diodes by a simple monolayered ***,we develop a perovskite electrochemical cell both for light emission and detection,where the active layer consists of a composite material made of halide perovskite microcrystals,polymer support matrix,and added mobile *** perovskite electrochemical cell of CsPbBr3:PEO:LiTFSI composition,emitting light at the wavelength of 523 nm,yields the luminance more than 7000 cd/m2 and electroluminescence efficiency of 4.3 lm/*** device fabricated on a silicon substrate with transparent single-walled carbon nanotube film as a top contact exhibits 40%lower Joule heating compared to the perovskite optoelectronic devices fabricated on conventional ITO/glass ***,the device operates as a photodetector with a sensitivity up to 0.75 A/W,specific detectivity of 8.56×1011 Jones,and linear dynamic range of 48 *** technological potential of such a device is proven by demonstration of 24-pixel indicator display as well as by successful device miniaturization by creation of electroluminescent images with the smallest features less than 50μm.

关键词： composite inorganic halide perovskite silicon single walled carbon nanotubes light-emitting electrochemical cell photodetector indicator display

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Innovation:A state-of-the-art review and typology

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International Journal of Innovation Studies 2023年第4期7卷 281-290页

作者： dmitry M.Kochetkov Centre for Science and Technology Studies Leiden UniversityLeidenthe Netherlands Peoples'Friendship University of Russia(RUDN University) MoscowRussia

Innovation is often an object of study in economics and ***,the social and behavioral aspects of innovation acceptance are as important as the economics of product development.A significant portion of the literature considers innovation as a change in the way social actions are conducted,entailing a wide range of social,economic,behavioral,and institutional *** approaches have given rise to the need for a ***(1998)divided innovation into three groups depending on the aspects of the phenomenon:theory of entrepreneurship,technological and social aspects,and strategic *** Sundbo's conceptual framework,this study supplemented and developed it based on recent literature that appeared after ***,this study added new directions at the second level of decomposition and the relationships between different aspects of *** particular,this study analyzed phenomena such as open innovation,agile innovation,and“helix”***,this study developed a novel typology of innovation that expands the theoretical knowledge in this *** on these findings,this study proposed promising areas for future innovation studies.

关键词： Innovation Entrepreneurship Typology Triple helix

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A Semi-Implicit Fractional Step Method Immersed Boundary Method for the Numerical Simulation of Natural Convection Non-Boussinesq Flows

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Communications in Computational Physics 2022年第8期32卷 737-778页

作者： dmitry Zviaga Ido Silverman Alexander Gelfgat Yuri Feldman Department of Mechanical Engineering Ben-Gurion University of the NegevP.O.Box 653Beer-Sheva 84105Israel Soreq Nuclear Research Center 81000 YavneIsrael School of Mechanical Engineering Tel Aviv UniversityTel Aviv 6997801Israel

The paper presents a novel pressure-corrected formulation of the immersed boundary method(IBM)for the simulation of fully compressible non-Boussinesq natural convection *** formulation incorporated into the pressure-based fractional step approach facilitates simulation of the flows in the presence of an immersed body characterized by a complex ***,we first present extensive grid independence and verification studies addressing incompressible pressure-driven flow in an extended channel and non-Boussinesq natural convection flow in a differentially heated ***,the steady-state non-Boussinesq natural convection flow developing in the presence of hot cylinders of various diameters placed within a cold square cavity is thoroughly *** obtained results are presented and analyzed in terms of the spatial distribution of path lines and temperature fields and of heat flux values typical of the hot cylinder and the cold cavity *** characteristics of multiple steady-state solutions discovered for several configurations are presented and discussed in detail.

关键词： Natural convection non-Boussinesq flows pressure-corrected immersed boundary method multiple steady state solutions

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西西伯利亚盆地北极油气区侏罗系-白垩系储集层气-水系统平衡模拟

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石油勘探与开发 2022年第2期49卷 319-329页

作者： NOVIKOV dmitry Anatolievich 俄罗斯科学院西伯利亚分校Trofimuk石油地质和地球物理研究所新西伯利亚630900俄罗斯俄罗斯新西伯利亚国立大学新西伯利亚630900俄罗斯

为揭示盐水含量较高的含油气盆地中油气和地下水之间的相平衡,采用新的气-水平衡模拟软件对西西伯利亚盆地北极含油气区进行模拟。研究发现,该区域地层水的含气饱和度(Sg)变化较大,饱和系数(Cs)为0.2~1.0,其数值随深度及地层水总含气饱... 详细信息

为揭示盐水含量较高的含油气盆地中油气和地下水之间的相平衡,采用新的气-水平衡模拟软件对西西伯利亚盆地北极含油气区进行模拟。研究发现,该区域地层水的含气饱和度(Sg)变化较大,饱和系数(Cs)为0.2~1.0,其数值随深度及地层水总含气饱和度的增加而增大。地层水Sg大于1.8 L/L的情况下,气体饱和系数(Cs)均达到临界值1.0,为油气成藏创造了有利条件;而欠饱和水可溶解现有油气藏中的天然气。地层水气体饱和系数与储集层流体类型有关,凝析油气田的气体饱和系数主要为0.8~1.0,而在常规油藏中却相对较低。复杂的气水交换模式表明研究区侏罗系—白垩系储集层中天然气来源具有多样性。

关键词：气-水系统油气聚集侏罗系—白垩系油藏西西伯利亚北极油气区

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Development of a methodology for assessing the adequacy of electric power systems

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Global Energy Interconnection 2022年第5期5卷 543-550页

作者： dmitry S.Krupenev Denis A.Boyarkin Dmitrii V.Iakubovskii Melentiev Energy Systems Institute of Siberian Branch of the Russian Academy of Sciences Lermontov str.130Irkutsk664033Russia

This study presents the results of a research into the developing a methodology for assessing the adequacy of advanced electric power systems characterized by the integration of various innovative technologies,which complicates their *** methodology development is aimed at solving two main problems:(1)increase the adequacy of modeling the processes that occur in the electric power system and (2)enhance the computational efficiency of the adequacy assessment *** study proposes a new mathematical model to minimize the power shortage and enhance the adequacy of modeling the *** model considers quadratic power transmission losses and network *** computational efficiency of the adequacy assessment methodology is enhanced using efficient random-number generators to form the calculated states of electric power systems and machine learning methods to assess power shortages and other reliability characteristics in the calculated states.

关键词： Electric power systems Adequacy Power shortage minimization Pseudo-and quasi-random number generation Machine learning methods.

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Immortalized hippocampal astrocytes from 3xTg-AD mice,a new model to study disease-related astrocytic dysfunction:a comparative review

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Neural Regeneration Research 2023年第8期18卷 1672-1678页

作者： Laura Tapella Giulia Dematteis Armando A Genazzani Massimiliano De Paola dmitry Lim Department of Pharmaceutical Sciences Universitàdel Piemonte Orientale“Amedeo Avogadro”NovaraItaly Department of Neuroscience Mario Negri Institute for Pharmacological Research IRCCSMilanoItaly

Alzheimer's disease(AD)is characterized by complex etiology,long-lasting pathogenesis,and celltype-specific ***,there is no cure for AD,emphasizing the urgent need for a comprehensive understanding of cell-specific ***,principal homeostatic cells of the central nervous system,are key players in the pathogenesis of neurodegenerative diseases,including *** models greatly facilitate the investigation of cell-specific pathological alterations and the dissection of molecular mechanisms and ***-derived and immortalized astrocytic cell lines,alongside the emerging technology of adult induced pluripotent stem cells,are widely used to study cellular dysfunction in ***,no stable cell lines were available from genetic mouse AD ***,we established immortalized hippocampal astroglial cell lines from amyloid-βprecursor protein/presenilin-1/Tau triple-transgenic(3xTg)-AD mice(denominated as wild type(WT)-and 3Tg-iAstro cells)using retrovirus-mediated transduction of simian virus 40 large T-antigen and propagation without clonal selection,thereby maintaining natural heterogeneity of primary *** groups have successfully used 3Tg-iAstro cells for single-cell and omics approaches to study astrocytic AD-related alterations of calcium signaling,mitochondrial dysfunctions,disproteostasis,altered homeostatic and signaling support to neurons,and blood-brain barrier *** we provide a comparative overview of the most used models to study astrocytes in vitro,such as primary culture,tumor-derived cell lines,immortalized astroglial cell lines,and induced pluripotent stem cell-derived *** conclude that immortalized WT-and 3Tg-iAstro cells provide a noncompetitive but complementary,low-cost,easy-to-handle,and versatile cellular model for dissection of astrocyte-specific AD-related alterations and preclinical drug discovery.

关键词： Alzheimer's disease astrocytes immortalization astroglial Alzheimers's disease model blood-brain barrier calcium signaling central nervous system homeostasis disproteostasis endoplasmic reticulum-mitochondria contacts induced pluripotent stem cell-derived astrocytes protein synthesis

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Lagoonal carbonate deposition preceding rifting-related uplift:evidence from the Bartonian-Priabonian(Eocene)of the northwestern Gulf of Suez(Egypt)

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Journal of Palaeogeography 2022年第1期11卷 8-30页

作者： Emad S.Sallam dmitry A.Ruban A.J.(Tom)Van Loon Department of Geology Faculty of ScienceBen ha UniversityFarid Nad a Street 15Ben ha 13518Egypt K.G.Razumovsky Moscow State University of Technologies and Management(the First Cossack University) Zemlyanoy Val Street 73Moscow 109004Russia c College of Earth Science and Engineering Shandong University of Science and TechnologyQingdao 266590ShandongChina

Sedimentary successions in the northwestern Gulf of Suez provide important clues to the understanding of the geological evolution of NE Africa during the middle and late *** study focuses on detailed facies analyses in order to characterize the depositional environments and system tracts of the Bartonian-Priabonian succession cropping out in this ***-Priabonian carbonate deposits in five stratigraphic sections constitute,from base to top,the Gebel Hof,Observatory,Sannur,Qurn,and Wadi Hof *** formations contain four local assemblage zones of larger benthic *** of litho-,bio-,and microfacies in the succession resulted in the recognition of 12 lithofacies *** lithofacies are represented by packages of lime-mudstones,wackestones,packstones,pack-to grainstones,grainstones,rudstones,boundstones and *** lithofacies have been grouped into four geneticallyrelated facies associations that represent,respectively,tidal flats/shallow subtidal,restricted-shelf/lagoonal,shoal bar,and outer-shelf lagoon/reefal depositional environments in a downslope shallow-marine inner-ramp *** vertical transitions of these facies associations,representing facies changes through time,imply fluctuations of the regional sea *** two peaks in the Bartonian correspond to well-known global eustatic sea-level rises;the pronounced Priabonian regression must be ascribed to the known global eustatic sea-level fall in combination with regional tectonic *** facies distribution suggests that the study area was located in the direct vicinity of some islands during the Bartonian-Priabonian.

关键词： Lagoonal facies Sea-level fluctuations Middle Eocene Late Eocene Eastern Desert

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A room-temperature magnetic semiconductor from a Co-Fe-Nb-B metallic glass

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Science China(Physics,Mechanics & Astronomy) 2023年第4期66卷 94-99页

作者： Yu-Zhang Jiao dmitry VLouzguine-Luzgin Ke-Fu Yao Zheng-Jun Zhang Na Chen Laboratory for Advanced Materials Processing Technology(MOE) State Key Laboratory of New Ceramics and Fine ProcessingSchool of Materials Science and EngineeringTsinghua UniversityBeijing 100084China Key Laboratory for Advanced Materials(MOE) Schoolof Materials Science and EngineeringTsinghua UniversityBeijing 100084China Advanced Institute for Materials Research(WPI-AIMR) Tohoku UniversitySendai 980-8577Japan Mathematics for Advanced Materials-OIL National Institute of Advanced Industrial Science and Technology(AIST)Sendai 980-8577Japan

Magnetic semiconductors with Curie temperatures higher than room temperature show potential for developing spintronic devices with combined data processing and storage functions for next-generation computing *** this study,we present an n-type Co_(19.8)Fe_(8.6)Nb_(4.3)B_(6.0)O_(61.3) magnetic semiconductor with a high Curie temperature of~559 *** magnetic semiconductor has a room-temperature resistivity of~2.10×10^(4)Ωcm and a saturation magnetization of~76 emu/cm^(3).The n-type Co_(19.8)Fe_(8.6)Nb_(4.3)B_(6.0)O_(61.3)magnetic semiconductor was deposited on p-type silicon to form a heterojunction,exhibiting a rectifying *** results provide the design principles for discovering high Curie temperature magnetic semiconductors with determined conduction types,which would play an essential role in realizing nonvolatile spin-based transistors that break free from the confines of currently established Si-based information technology.

关键词： magnetic semiconductor ferromagnetic metallic glass high Curie temperature

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Simulation of Combustion Flow of Methane Gas in a Premixed Low-Swirl Burner using a Partially Premixed Combustion Model

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Journal of Thermal Science 2022年第5期31卷 1663-1681页

作者： XIAO Caiyuan OMIDI Milad SURENDAR A. ALIZADEH As'ad BOKOV dmitry O. BINYAMIN TOGHRAIE Davood Key Laboratory of Hunan Province for Efficient Power System and Intelligent Manufacturing Shaoyang422000China College of Mechanical and Energy Engineering Shaoyang UniversityShaoyang422000China Department of Mechanical Engineering Khomeinishahr BranchIslamic Azad UniversityKhomeinishahr119/84175Iran Department of Pharmacology Saveetha dental College and hospitalSaveetha institute of medical and technical sciencesChennai602105India Faculty of Engineering Soran UniversitySoran651Iraq Department of Mechanical Engineering College of EngineeringUniversity of ZakhoZakho1653654Iraq Institute of Pharmacy Sechenov First Moscow State Medical UniversityMoscow119991Russian Federation Department of Mechanical Engineering Faculty of Science and TechnologyUniversitas Muhammadiyah Kalimantan TimurSamarinda75124Indonesia

Because the rotational current stabilizes the flame by creating a recirculation zone,it may increase the risk of *** this reason,low-spin combustion is used to stabilize the flame while preventing ***,in this study,the combustion flow of methane gas in a low-swirl burner is simulated using a partially premixed combustion ***,the fuel flow rate is considered *** research parameters include swirl angle(θ=35°–47°),equivalence ratio(φ=0.6–0.9)and inlet axial flow radius(R=0.6–0.7)and effect of these parameters on temperature distribution,flame length,flame rise length,velocity field,and streamlines of the number of pollutant species are *** contours of streamline,temperature distribution,and velocity distribution are also presented for analysis of flow *** results show that with increasing the fuel-air ratio,the strength of the axial flow decreases,and the position of the maximum flame temperature shifts toward the inlet of the *** results also reveal that by increasing the swirl angle of the flow,the position of the minimum velocity value(opposite to the direction of the axis)tends towards the *** results also indicate that the maximum temperature of the combustion chamber increases with increasing the swirl angle,and inθ=35°,the maximum temperature is 1711℃and inθ=41°,this value is 1812℃.Finally,by increasing the swirl angle toθ=47°,the maximum flame temperature position is found at a considerable distance from the inlet and is 1842℃.

关键词： swirl burner numerical simulation axial velocity premixed combustion V-shaped flame

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High-temperature transport properties of BaSn_(1−x)Sc_(x)O_(3−δ) ceramic materials as promising electrolytes for protonic ceramic fuel cells

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Journal of Advanced Ceramics 2022年第7期11卷 1131-1143页

作者： Inna A.ZVONAREVA AlexeyМ.MINEEV Natalia A.TARASOVA Xian-Zhu FU dmitry A.MEDVEDEV Institute of High Temperature Electrochemistry Ural Branch of the Russian Academy of SciencesYekaterinburg 620066Russia Ural Federal University Yekaterinburg 620002Russia Boreskov Institute of Catalysis Novosibirsk 630090Russia College of Materials Science and Engineering Shenzhen UniversityShenzhen 518060China

Protonic ceramic fuel cells(PCFCs)offer a convenient means for electrochemical conversion of chemical energy into electricity at intermediate temperatures with very high *** BaCeO_(3)-and BaZrO_(3)-based complex oxides have been positioned as the most promising PCFC electrolytes,the design of new protonic conductors with improved properties is of paramount *** the present work,we studied transport properties of scandium-doped barium stannate(Sc-doped BaSnO_(3)).Our analysis included the fabrication of porous and dense BaSn_(1−x)Sc_(x)O_(3−δ)ceramic materials(0≤x≤0.37),as well as a comprehensive analysis of their total,ionic,and electronic conductivities across all the experimental conditions realized under the PCFC operation:both air and hydrogen atmospheres with various water vapor partial pressures(p(H2O)),and a temperature range of 500–900℃.This work reports on electrolyte domain boundaries of the undoped and doped BaSnO_(3)for the first time,revealing that pure BaSnO_(3)exhibits mixed ionic–electronic conduction behavior under both oxidizing and reducing conditions,while the Sc-doping results in the gradual improvement of ionic(including protonic)conductivity,extending the electrolyte domain boundaries towards reduced *** latter property makes the heavilydoped BaSnO_(3)representatives attractive for PCFC applications.

关键词： BaSnO_(3) protonic ceramic fuel cells(PCFCs) proton transport perovskite hydration electronic conductivity

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