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Inoculation of Chlorella and Food Waste Improves the Physio-Morphological Features of Red Pepper by Regulating Activating Antioxidant Defense System

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Phyton-International Journal of Experimental Botany 2023年第9期92卷 2699-2711页

作者： Sang-Mo Kang Shifa Shaffique Muhammad Imran Su-Mi Jeon Shabir Hussain Wani Muhammad Aaqil Khan Peter Odongkara Eun-Hae Kwon Yosep Kang joon-ik son Won-Chan Kim In-Jung Lee Department of Applied Biosciences Kyungpook National UniversityDaegu41566Korea Biosafety Division National Institute of Agriculture ScienceRural Development AdministrationJeonju54874Korea Department of Technical Support Daegu City Agricultural Technology CenterDaegu41159Korea Department of Chemical and Life Sciences Qurtuba University of Science and Information TechnologyPeshawarPakistan Mountain Research for Field Crops Khudwani Shere-e-Kashmir University of Agriculture Sciences and Technology SrinagarJamu and KashmirIndia Corporate Affiliated Research Institute Seyen Co.Ltd.Kyungsan38561Korea

Food waste is recognized as a valuable source for potential agricultural applications to supply organic matter and nutrients to arable ***,the information on the combined application of food waste and the plant growth-promoting bacterial strain,Chlorella,related to plant metabolic features and sodium chloride content in arable soil is *** present study was conducted to investigate the exogenous application of food waste along with Chlorella,which improved the physio-morphological features of red *** results revealed that this combination enhanced the organic matter in the soil,ultimately improving the fertility rate of the soil,and the physio-morphological features,such as chlorophyll a content(24.5±0.7),root(7.8±0.7)cm and shoot length(12.1±0.7)cm,fresh weight(2.1±0.05)g,dry weight(0.19±0.05)g,mineral contents,and hormonal concentration(ABA by up to 2 folds).The combined treatment also minimized free radicals via the activation of the intrinsic antioxidant series cascade and electrolyte *** findings showed that adding Chlorella and food wastes improved growth characteristics and can be used as a green bio-fertilizer for sustainable agriculture.

关键词： Food waste Chlorella hormone antioxidant

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Vertical plane depth-resolved surface potential and carrier separation characteristics in flexible CZTSSe solar cells with over 12% efficiency

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Carbon Energy 2024年第3期6卷 36-52页

作者： Dae-Ho son Ha Kyung Park Dae-Hwan Kim Jin-Kyu Kang Shi-joon Sung Dae-Kue Hwang Jaebaek Lee Dong-Hwan Jeon Yunae Cho William Jo Taeseon Lee JunHo Kim Sang-Hoon Nam Kee-Jeong Yang Division of Energy Technology DGISTDaeguRepublic of Korea Research Center for Thin Film Solar Cells DGISTDaeguRepublic of Korea Department of Physics Ewha Womans UniversitySeoulRepublic of Korea Department of Physics Incheon National UniversityIncheonRepublic of Korea Department of Mechanical Engineering Massachusetts Institute of TechnologyCambridgeMassachusettsUSA

Cu2ZnSn(S,Se)4(CZTSSe)solar cells have resource distribution and economic *** main cause of their low efficiency is carrier loss resulting from recombination of photo-generated electron and *** overcome this,it is important to understand their electron-hole behavior *** determine the carrier separation characteristics,we measured the surface potential and the local current in terms of the absorber *** elemental variation in the intragrains(IGs)and at the grain boundaries(GBs)caused a band edge shift and bandgap(Eg)*** the absorber surface and subsurface,an upward Ec and Ev band bending structure was observed at the GBs,and the carrier separation was *** the absorber center,both upward Ec and Ev and downward Ec-upward Ev band bending structures were observed at the GBs,and the carrier separation was *** improve the carrier separation and suppress carrier recombination,an upward Ec and Ev band bending structure at the GBs is desirable.

关键词： carrier separation CZTSSe flexible solar cell local current surface potential

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China Regional Income Convergence:Using Spatial Panel data

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清华大学学报（哲学社会科学版） 2009年第S1期24卷 73-80页

作者： Moon ik joon School of Economics and Management Tsinghua University

This paper uses spatial panel data models to analyze regional growth in *** for fixed-effects allows us to disentangle the effect of spatial dependence from that of spatial heterogeneity and omitted variable to invest... 详细信息

关键词： Spatial panel data models Regional ConvergenceAbout the Author: Moon ik joon,School of Economics and Management,Tsinghua University,Ph.D.Candidate,research direction: spatial econometrics

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Exploiting the quantum mechanically derived force field for functional materials simulations

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npj Computational Materials 2021年第1期7卷 1405-1413页

作者： Alexey Odinokov Alexander Yakubovich Won-joon son Yongsik Jung Hyeonho Choi Samsung R&D Institute Russia(SRR) Samsung Electronics12 Dvintsev StreetMoscow 127018Russia Data and Information Technology Center Samsung ElectronicsHwaseong 18448Korea Samsung Advanced Institute of Technology(SAIT) Samsung Electronics130 Samsung-roYeongtong-guSuwon 16678Korea

The computational design of functional materials relies heavily on large-scale atomistic *** simulations are often problematic for conventional classical force fields,which require tedious and time-consuming parameterization of interaction *** problem can be solved using a quantum mechanically derived force field(QMDFF)—a system-specific force field derived directly from the first-principles *** present a computational approach for atomistic simulations of complex molecular systems,which include the treatment of chemical reactions with the empirical valence bond *** accuracy of the QMDFF is verified by comparison with the experimental properties of liquid *** illustrate the capabilities of our methodology to simulate functional materials in several case studies:chemical degradation of material in organic light-emitting diode(OLED),polymer chain packing,material morphology of organometallic *** presented methodology is fast,accurate,and highly automated,which allows its application in diverse areas of materials science.

关键词： functional field quantum

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Simultaneous surface modification method for 0.4Li2MnO3-0.6LiNi1/3Co1/3Mn1/3O2 cathode material for lithium ion batteries： Acid treatment and LiCoPO4 coating

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Nano Research 2017年第12期10卷 4210-4220页

作者： Min-joon Lee Eunsol Lho Pilgun Oh Yoonkook son Jaephil Cho Department of Energy Engineering School of Energy and Chemical Engineering Ulsan National Institute of Science and Technology(UNIST) Ulsan 44919 Republic of Korea

Li-rich layered cathode materials have been considered the most promising candidates for large-scale Li-ion batteries due to their low cost and high reversible capacity. However, these materials have many drawbacks that hinder commercialization, such as low initial efficiency and cyclability at elevated temperatures. To overcome these barriers, we propose an efficient and effective surface modification method, in which chemical activation （acid treatment） and LiCoPO4 coating were carried out simultaneously. During the synthesis, the lithium ions were extracted from the lattice, leading to improved Columbic efficiency, and these ions were used for the formation of LiCoPO4. The Ni and Co doped spinel phase was formed at the surface of the host material, which gives rise to the facile pathway for lithium ions. The LiCoPO4 and highly doped spinel on the surface acted as double protection layers that effectively prevented side reactions on the surface at 60℃. Moreover, the transition metal migration of the modified cathode was weakened, due to the presence of the spinel structure at the surface. Consequently, the newly developed Li-rich cathode material exhibited a high 1st efficiency of 94%, improved capacity retention of 82% during 100 cycles at 60℃, and superior rate capability of 62% at 12C （1C = 200 mA/g） rate at 24℃. In addition, the thermal stability of the modified cathode was significantly improved as compared to that of a bare counterpart at 4.6 V, showing a 60% decrease in the total heat generation.

关键词： lithium ion battery cathode material Li-rich material electrochemistry surface modification

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Microstructure and Mechanical Properties of Mg-Al-Ca-Nd Alloys Fabricated by Gravity Casting

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Journal of Materials Science & Technology 2008年第1期24卷 85-88页

作者： Hyeon-Taek son Jae-Seol Lee ik-Hyun Oh Chang-Seog Kang Korea Institute of Industrial Technology 1110-90ryong-dong Buk-gu Gwangju 500-480 South Korea

The aims of this study are to investigate the effects of Nd addition in the Mg-Al-Ca alloys on microstructure and mechanical *** of as-cast Mg-5Al-3Ca alloy containing Nd consists ofα-Mg matrix, eutectic phase and Al-Nd rich intermetallic *** Nd addition was increased,α-Mg matrix morphology was changed from dendritic to equiaxed grains and average value of grain size was *** addition to Mg-5Al-3Ca based alloys resulted in the formation of Al-Nd rich intermetallic compounds at grain boundary andα-Mg matrix *** these Al-Nd rich intermetallic compounds were dispersed *** these alloys,two kinds of eutectic phases were observed,*** irregular-shape structure at grain boundary and fine needle-shape structure in theα-Mg matrix *** is found that the ultimate strength showed the maximum value of 271 MPa at Mg-5Al-3Ca-2Nd alloy and elongation was decreased as the addition of Nd was increased.

关键词： Mg-AI-Ca alloy Neodymium (Nd) Rare earth element

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Effect of equal-channel angular pressing on pitting corrosion resistance of anodized aluminum-copper alloy

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中国有色金属学会会刊：英文版 2009年第4期19卷 904-908页

作者： In-joon son Hiroaki NAKANO Satoshi OUE Shigeo KOBAYASHI Hisaaki FUKUSHIMA Zenji HORITA Department of Materials Process Engineering Graduate School of EngineeringKyushu University Department of Materials Science and Engineering Faculty of EngineeringKyushu University Department of Applied Chemistry and Biochemistry Faculty of EngineeringKyushu Sangyo University

The effect of equal-channel angular pressing(ECAP) on the pitting corrosion resistance of anodized Al-Cu alloy was investigated by electrochemical techniques in a solution containing 0.2 mol/L AlCl3 and also by surface *** was conducted for 20 min at 200 and 400 A/m2 in a solution containing 1.53 mol/L H2SO4 and 0.018 5 mol/L Al2(SO4)3·16H2O at 20 ℃.Anodized Al-Cu alloy was immediately dipped in boiling water for 20 min to seal the micro pores present in anodic oxide *** time required before initiating pitting corrosion of anodized Al-Cu alloy is longer with ECAP than without,indicating that ECAP process improves the pitting corrosion resistance of anodized Al-Cu *** phase precipitates such as Si,Al-Cu-Mg and Al-Cu-Si-Fe-Mn intermetallic compounds are present in Al-Cu alloy and the size of these precipitates is greatly decreased by application of ***-Cu-Mg intermetallic compounds are dissolved during anodization,whereas the precipitates composed of Si and Al-Cu-Si-Fe-Mn remain in anodic oxide films due to their more noble corrosion potential than ***-SEM and EPMA observation reveal that the pitting corrosion of anodized Al-Cu alloy occurs preferentially around Al-Cu-Si-Fe-Mn intermetallic compounds,since the anodic oxide films are absent at the boundary between the normal oxide films and these impurity *** improvement of pitting corrosion resistance of anodized Al-Cu alloy processed by ECAP appears to be attributed to a decrease in the size of precipitates,which act as origins of pitting corrosion.

关键词：铝铜合金抗点蚀挤压转角通道

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Nanoconfinement effect of nanoporous carbon electrodes for ionic liquid-based aluminum metal anode

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Journal of Energy Chemistry 2022年第11期31卷 121-127,I0005页

作者： Juhee Yoon Seongbak Moon son Ha Hyung-Kyu Lim Hyoung-joon Jin Young Soo Yun Program in Environmental and Polymer Engineering Inha UniversityIncheon 22212South Korea Department of Polymer Science and Engineering Inha UniversityIncheon 22212South Korea KU-KIST Graduate School of Converging Science and Technology Korea UniversitySeoul 02841South Korea Division of Chemical Engineering and Bioengineering Kangwon National UniversityGangwon-do 24341South Korea Department of Integrative Energy Engineering Korea UniversitySeoul 02841South Korea

Rechargeable aluminum batteries(RABs),which use earth-abundant and high-volumetric-capacity metal anodes(8040 m Ah cm-3),have great potential as next-generation power sources because they use cheaper resources to deliver higher energies,compared to current lithium ion ***,the mechanism of charge delivery in the newly developed,ionic liquid-based electrolytic system for RABs differs from that in conventional organic ***,targeted research efforts are required to address the large overpotentials and cycling decay encountered in the ionic liquid-based electrolytic *** this study,a nanoporous carbon(NPC)electrode with well-developed nanopores is used to develop a high-performance aluminum *** negatively charged nanopores can provide quenched dynamics of electrolyte molecules in the aluminum deposition process,resulting in an increased collision *** fast chemical equilibrium of anionic species induced by the facilitated anionic collisions leads to more favorable reduction reactions that form aluminum *** nanoconfinement effect causes separated nucleation and growth of aluminum nanoparticles in the multiple confined nanopores,leading to higher coulombic efficiencies and more stable cycling performance compared with macroporous carbon black and 2D stainless steel electrodes.

关键词： Nanoconfinement effect Nanoporous carbon Ionic liquid electrolyte Metal anode Aluminum batteries Multivalent batteries

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Improved formaldehyde gas sensing properties of well-controlled Au nanoparticle-decorated In2O3 nanofibers integrated on low power MEMS platform

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Journal of Materials Science & Technology 2020年第3期38卷 56-63页

作者： Dongha Im Donghyun Kim Dasol Jeong Woon ik Park Myoungpyo Chun joon-Shik Park Hyunjung Kim Hyunsung Jung Nano Materials&Nano Technology Center Korea Institute of Ceramic Engineering&TechnologyJinju 52851Republic of Korea Department of Mineral Resources and Energy Engineering Chonbuk National UniversityJeonju 54896Republic of Korea Smart Sensor Research Center Korea Electronic Technology InstituteSeongnam 13509Republic of Korea

Approaches for the fabrication of a low power-operable formaldehyde(HCHO)gas sensor with high sensitivity and selectivity were performed by the utilization of an effective micro-structured platform with a micro-heater to reach high temperature with low heating power as well as by the integration of indium oxide(In2O3)nanofibers decorated with well-dispersed Au nanoparticles as a sensing *** In2O3 nanofibers with the large specific surface area were prepared by the electrospinning following by calcination *** nanoparticles with the well-controlled size as a catalyst were synthesized on the surface of In2O3 *** Au-decorated In2O3 nanofibers were reliably integrated as sensing materials on the bridge-type micro-platform including micro-heaters and *** micro-platform designed to maintain high temperature with low power consumption was fabricated by a microelectromechanical system(MEMS)*** micro-platform gas sensor consisting with Au-In2O3 nanofibers were fabricated effectively to detect HCHO gases with high sensitivity and *** HCHO gas sensing behaviors were schematically studied as a function of the gas concentration,the size of the adsorbed Au nanoparticles,the applied power to raise the temperature of a sensing part and the kind of target gases.

关键词： Gold nanoparticle In2O3 nanofiber Formaldehyde Gas sensor Low power Micro-platform

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Interface properties and phase formation between surface coated SKD61 and aluminum alloys

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中国有色金属学会会刊：英文版 2009年第4期19卷 875-878页

作者： Se-Weon CHOI Young-Chan KIM Se-Hun CHANG ik-Hyun OH joon-Sik PARK Chang-Seog KANG Automotive Components Center Korea Institute of Industrial Technology Division of Advanced Materials Engineering Hanbat National University

The intermediate phase formation and surface protection effects between SKD61 die mold alloys and aluminum alloys were investigated during a simulated die-casting *** surface coatings of SKD61 alloy were carried out via Si pack cementation coatings at 900 ℃ for 10 h and the ε-FeSi phase *** the coated SKD61 alloy was dipped in the liquid aluminum alloy(ALDC12),the surface coated SKD61 alloys showed better surface properties compared with uncoated SKD61 alloys,i.e.,the intermediate phases(FeSiAl compound) were not produced for the coated SKD61 *** coating layer of ε-FeSi served as a diffusion barrier for the formation of FeSiAl compounds.

关键词：表面涂层铝合金接口特性表面合金涂层表面保护合金生产化合物中间相

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