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High dispersion Pt nanoparticles using mesoporous carbon support for enhancing conversion efficiency of dye-sensitized solar cells

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Chinese Chemical Letters 2010年第12期21卷 1513-1516页

作者： Gui Qiang Wang Jun Feng Gu shu ping zhuo School of Chemical Engineering Shandong University of Technology Zibo 255049 China

Mesoporous carbon（MC） with surface area of 380 m^2/g was prepared and employed as the carbon support of Pt catalyst for counter electrode of dye-sensitized solar ***/MC samples containing 1 wt%Pt were prepared by reducing chloroplatinic acid on MC using wet *** was found that Pt nanoparticles were uniform in size and highly dispersed on MC *** average size of Pt nanoparticles is about 3.4 ***/MC electrodes were fabricated by coating Pt/MC samples on fluorine-doped tin oxide *** overall conversion efficiency of dye-sensitized solar cells with Pt/MC counter electrode is 6.62%,which is higher than that of the cells with conventional Pt counter electrode in the same conditions.

关键词： Mesoporous carbon Pt nanoparticles Counter electrode Dye-sensitized solar cells

N-containing activated carbons for CO_(2) capture

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International Journal of Smart and Nano Materials 2013年第1期4卷 55-61页

作者： Chao Liu Wei Xing Jin Zhou shu-ping zhuo School of Chemical Engineering Shandong University of TechnologyZibo 255049China

A series of SK-activated carbons were prepared by carbonising soya beans in the presence of KOH as activation *** activation temperatures were applied to study the influence of preparation conditions on the surface properties of the carbons and their CO_(2) adsorption *** was found that the CO_(2) adsorption capacity is directly related to the nature of surface basic N-containing groups and that the highest CO_(2) adsorption capacity value was 4.24 mmol/g under 25℃ and 1 atm.

关键词： CO_(2)capture adsorption activated carbon biomass nitrogen doping

Unconventional Organic Low-Dimensional Crystals:Diversity and Potential Applications

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CCS Chemistry 2024年第7期6卷 1628-1653页

作者： Jin Feng Mao Sun Ying-Xin Ma Zhen-Yu Geng Chuan-Zeng Wang shu-ping zhuo shu-Hai Chen Hong-Tao Lin Xue-Dong Wang School of Chemistry and Chemical Engineering Shandong University of TechnologyZibo 255000 School of Resources and Environmental Engineering Shandong University of TechnologyZibo 255000 Institute of Functional Nano&Soft Materials(FUNSOM) Jiangsu Key Laboratory for Carbon-Based Functional Materials&DevicesSoochow UniversitySuzhou 215123

Organic low-dimensional crystals have garnered escalating interests in the realms of miniaturized optoelectronics and integrated *** continual expansion of molecular systems and improvement in experimental conditions have given rise to unconventional organic low-dimensional crystals,which showcase a variety of appealing structure-dependent properties in the realm of organic semiconductors,owing to their adaptable physicochemical characteristics and exceptional optoelectronics ***,the development of unconventional low-dimensional crystals is filled with abundant possibilities due to their diverse application ***,we present a comprehensive overview of advancements in research on representative cases of unconventional low-dimensional organic crystals,using a systematic and rational structural ***,we have also discussed the existing challenges and future directions,aspiring to deepen understanding and encourage further research exploration in this field.

关键词： organic semiconductor crystal growth precise synthesis noncovalent interaction integrat-ed photonics

Organic low-dimensional crystals undergoing twinning deformation

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Science Bulletin 2022年第16期67卷 1632-1635,M0003页

作者： Ying-Xin Ma Song Chen Hong-Tao Lin shu-ping zhuo Xue-Dong Wang School of Chemistry and Chemical Engineering Shandong University of TechnologyZibo 255000China Institute of Functional Nano&Soft Materials(FUNSOM) Jiangsu Key Laboratory for Carbon-Based Functional Materials&DevicesSoochow UniversitySuzhou 215123China

One dimensional(1D)organic axial micro/nanocrystals serving as the building block towards integrated nanostructures have been demonstrated in various nanosystems[1-3].As an emerging solidstate platform,these micro/nanostructures are increasingly being regarded as potential candidates for constructing optoelectronic *** remarkable achievements,pioneering works simultaneously revealed the shortage of non-guidance for molecular nucleation in these 1D axial micro/nanostructures[4-6],posing a great challenge for the practical *** this perspective,there is urgent to develop special 1D axial micro/nanostructures to promote the generation of highly ordered integrated structures.

关键词：微/纳米结构分子重排活性表面孪生变形外延生长微/纳米晶体高度有序微米结构

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业绩预期压力、高管股权激励与企业投资不足

金融论坛 2017年第6期22卷 38-49页

作者：翟淑萍卓然王玥天津财经大学商学院会计系天津财经大学大公信用管理学院

本文以2007~2015年中国A股上市公司为研究样本,基于资本市场的业绩预期压力对企业投资不足的影响,探讨高管股权激励对该影响的治理效应,以及发挥治理作用的具体股权激励类型。研究发现:(1)业绩预期压力的增大会加剧企业投资不足;(2)高... 详细信息

本文以2007~2015年中国A股上市公司为研究样本,基于资本市场的业绩预期压力对企业投资不足的影响,探讨高管股权激励对该影响的治理效应,以及发挥治理作用的具体股权激励类型。研究发现:(1)业绩预期压力的增大会加剧企业投资不足;(2)高管股权激励能够缓解业绩预期压力带来的投资不足;(3)相对于限制性股票和激励型股权激励,股票期权与福利型股权激励对业绩预期压力引起投资不足的缓解作用更强。

关键词：业绩预期压力高管股权激励激励类型投资不足倾向得分匹配

Modular assembly of complex C-alkyl glycoside enabled via cooperative NHC and photoredox catalysis

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Science China Chemistry 2025年

作者： Rui-Qiang Jiao Ming Li Xi Chen Mei-Ze Xu Tian Ding Xiao-ping Gong zhuo-Mei Li Xue-Yuan Liu Yong-Min Liang State Key Laboratory of Applied Organic Chemistry Lanzhou University College of Chemistry and Chemical Engineering Northwest Normal University

C-Alkyl glycosides are found in natural products and are indispensable in drug development programs,owing to their diverse range of medicinal ***-component reactions involving glycosyl radical addition are well documented and proved efficient for the C-alkyl glycosides ***,multicomponent reactions for the rapid and controllable construction of structurally diversified C-alkyl glycosides in a single step remains a significant challenge due to the issues associated with balancing reactivity,compatibility,and ***,we report an NHC and photoredox co-catalyzed three-component method to access complex and valuable C-alkyl *** protocol exhibits broad substrate scope and excellent chemoand ***,nine types of sugars are compatible with this *** addition,the generality of this catalytic strategy was further highlighted by the potential for scalable production,the feasibility of further modifications of the products and its successful application in the late-stage functionalization of pharmaceutical skeletons.

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Superhydrophobic and corrosion-resistant siloxane-modified MgAl-LDHs coatings on magnesium alloy prepared under mild conditions

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International Journal of Minerals,Metallurgy and Materials 2025年第2期32卷 450-463页

作者： Wenxi Zhang Zhangzelong zhuo Dan Xu Liang Wu Zhihui Xie Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province College of Chemistry and Chemical EngineeringChina West Normal UniversityNanchong 637002China College of Materials Science and Engineering/National Engineering Research Center for Magnesium Alloys Chongqing UniversityChongqing 400044China

We have developed a superhydrophobic and corrosion-resistant LDH-W/PFDTMS composite coating on the surface of Mg *** composite comprised a tungstate-intercalated(LDH-W)underlayer that was grown at low temperature(relative to hydrothermal reaction conditions)under atmospheric pressure and an outer polysiloxane layer created from a solution containing perfluorodecyltrimethoxysilane(PFDTMS)using a simple immersion *** successful intercalation of tungstate into the LDH phase and the following formation of the polysiloxane layer were confirmed through X-ray diffraction(XRD),Fourier transform infrared(FTIR)spectroscopy,and X-ray photoelectron spectroscopy(XPS).The corrosion resistance of the LDH-W film,both before and after the PFDTMS modification,was evaluated using electrochemical impedance spectroscopy(EIS),Tafel curves,and immersion *** results showed that Mg coated with LDH-W/PFDTMS exhibited significantly enhanced corrosion protection compared to the unmodified LDHW film,with no apparent signs of corrosion after exposure to 3.5wt%NaCl solution for 15 ***,the LDH-W/PFDTMS coating demonstrated superior superhydrophobicity and self-cleaning properties against water and several common beverages,as confirmed by static contact angle and water-repellency *** results offer valuable insights into preparing superhydrophobic and corrosion-resistant LDH-based composite coatings on Mg alloy surfaces under relatively mild reaction conditions.

关键词： Mg alloy corrosion coating layered double hydroxide

A melt-cast Duan-Zhang-Kim mesoscopic reaction rate model and experiment for shock initiation of melt-cast explosives

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Defence Technology（防务技术） 2021年第5期17卷 1753-1763页

作者： shu-rui Li zhuo-ping Duan Lian-sheng Zhang zhuo-cheng Ou Feng-lei Huang State Key Laboratory of Explosion Science and Technology Beijing Institute of TechnologyBeijing100081China

A melt-cast Duan-Zhang-Kim(DZK)mesoscopic reaction rate model is developed for the shock initiation of melt-cast explosives based on the pore collapse hot-spot ignition mechanism.A series of shock initiation experiments was performed for the Comp B melt-cast explosive to estimate effects of the loading pressure and the particle size of granular explosive component,and the mesoscopic model is validated against the experimental *** numerical simulations indicate that the initial density and formula proportion greatly affect the hot-spot ignition of melt-cast explosives.

关键词： Melt-cast explosive Shock initiation Mesoscopic reaction rate model Hot-spot ignition Shock sensitivity

Attitude deflection of oblique perforation of concrete targets by a rigid projectile

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Defence Technology（防务技术） 2020年第3期16卷 596-608页

作者： zhuo-ping Duan shu-rui Li Zhao-fang Ma zhuo-cheng Ou Feng-lei Huang State Key Laboratory of Explosion Science and Technology Beijing Institute of TechnologyBeijing 100081PR China Beijing Institute of Technology ZhuhaiZhuhai 519088PR China

A perforation model is developed to predict the attitude deflection in the oblique perforation of concrete targets by a rigid projectile,in which the inertial moment of the projectile is introduced,together with taking the attitude deflection during the shear plugging sub-stage into account,and the shape of the plug formed on the rear surface of target is also ***,a new classification of concrete targets is proposed based on the target thickness,with which the attitude deflections in different kinds of concrete targets are *** is found that the numerical results by using the new perforation model are in good agreement with the previous experimental data and simulated ***,the variations of the attitude deflection with the initial conditions(the initial attitude angle and the initial impact velocity) are investigated.

关键词： Oblique perforation Penetration Concrete target Attitude deflection Rigid projectile