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[中文期刊] 碘催化聚苯撑乙炔分子内环化构筑苯并呋喃共轭聚合物核源

作者：支俊格¹;孔祥媚¹;侯丽霞¹;金娜¹;石建兵²;佟斌²;董宇平²; （¹北京理工大学化学与化工学院;²北京理工大学材料学院）

出处：中国科学(化学) 2020 第50卷第9期 P1159-1168

关键词：聚苯撑乙炔；分子链内环化反应；苯并呋喃；环化率；功能化聚合物

摘要：以二甲氧基对苯二炔和烷基取代二卤代苯为单体,通过Sonogashiria反应制备了聚苯撑乙炔P,在亲电试剂碘催化作用下实现了聚苯撑乙炔中苯炔的分子内环化反应,得到了含苯并呋喃结构的环化聚合物CP.优化的环化反应条件是:以三氯甲烷（CHCl 3 ）为溶剂,反应浓度2.1～2.2 mg/m L,温度40 ...

[中文期刊] 三(氯异丙基)磷酸酯在蒙脱石表面吸附机理的模拟计算 CA 剑桥核源

作者：刘珊珊¹;兰艳花²;杨荣杰³;周智明¹; （¹北京理工大学化学与化工学院;²中北大学环境与安全工程学院;³北京理工大学材料学院）

出处：材料研究学报 2020 第34卷第11期 P853-860

关键词：无机非金属材料；三(氯异丙基)磷酸酯；蒙脱石；吸附；模拟

摘要：基于密度泛函理论研究了三(氯异丙基)磷酸酯(TCPP)与钠基蒙脱石(NaMMT)凝胶化的机理,在微观水平上建立TCPP和NaMMT的分子模型并计算了在无水和有水状态下TCPP在NaMMT的001表面以及晶层间的吸附参数。结果表明,TCPP在NaMMT的001表面和晶层间均能通过物理作用稳定吸附,钠离 ...

[中文期刊] 双螺杆挤出过程数值模拟研究进展核源

作者：王贺祥，彭炯，葛震，张永涛，郭炳毅，李忠山（北京理工大学化学与化工学院；北京理工大学材料学院；西安北方惠安化学有限公司）

出处：中国塑料 2020 第34卷第9期 P96-102

关键词：聚合物；加工；双螺杆挤出；数值模拟

摘要：在聚合物的双螺杆挤出过程的研究中,采用数值模拟的方法可以克服传统实验方法的局限,可为挤出机的设计加工提供参考。回顾了近年来国内外对双螺杆挤出过程数值模拟的研究成果,介绍了一维数学模型和三维数学模型对挤出过程进行数学描述的优缺点,从双螺杆挤出机内部的流场特性、瞬态混合性能、停留时间分布以及反应挤出等方 ...

[外文期刊] Deciphering the mechanism of hafnium oxide nanoparticles perturbation in the bio-physiological microenvironment of catalase

作者： Farooq Ahmad¹; Tahir Muhmood²; Asif Mahmood³; （College of Engineering and Applied Sciences, Nanjing National Laboratory of Microstructures, Jiangsu Key Laboratory of Artificial Functional Materials, School of Material Science and Engineering, Nanjing University, Nanjing, Jiangsu, 210093, People’s Republic of China;State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, People’s Republic of China;Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, People’s Republic of China）

出处： Nano Express 2020 Vol.1 No.3 P030006

摘要： Nanoparticles (NPs) are extensively being used in state-of-the-art nano-based therapies, modern electronics, and consumer products, so can be released ...

[中文期刊] Quantitative Surface Plasmon Interferometry via Upconversion Photoluminescence Mapping 核

作者： Yin Anxiang，Jing Hao，Wu Zhan，He Qiyuan，Wang Yiliu，Lin Zhaoyang，Liu Yuan，Ding Mengning，Xu Xu，Fei Zhe，Jiang Jianhui，Huang Yu，Duan Xiangfeng （Department of Chemistry and Biochemistry，University of California；School of Chemistry and Chemical Engineering，Beijing Institute of Technology）

出处： Marine Geophysical Researches(an international journal for the study of the earth beneath the sea) 2020 第1期 P8304824

摘要： Direct far-field visualization and characterization of surface plasmon polaritons(SPPs) are of great importance for fundamental studies and technologi ...

[外文期刊] A biomass based photonic crystal made of “Konjac Tou Fu”

作者： Wenxin Zhang¹;Min Xue¹;Kenneth J. Shea²;Lili Qiu¹;Zhibin Xu¹;Jing Fan¹;Dan Yan¹;Zihui Meng¹; （¹School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 10081, China ;²Department of Chemistry, University of California Irvine, CA 92697, United States）

出处： Chinese Chemical Letters 2020

关键词： Photonic crystals;Konjac glucomannan;Hydrogel;Interpenetrating double network;Sensor

摘要： Konjac tofu is a traditional Chinese food whose main ingredient is the water-soluble polysaccharide from konjac tubers-konjac glucomannan (KGM). Herei ...

[外文期刊] A review on synthesis, optimization, characterization and antibacterial application of gold nanoparticles synthesized from plants

作者： Sunday Adewale Akintelu;Seyifunmi Charles Olugbeko;Aderonke Similoluwa Folorunso （¹ School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, China; Department of Pure and Applied Chemistry, Ladoke Akintola University of Technology, Ogbomoso, Nigeria;² Department of Agricultural Economics, Ladoke Akintola University of Technology, Ogbomoso, Nigeria;³ Department of Chemistry, Louisiana State University, Baton Rouge, USA）

出处： International Nano Letters 2020 Vol.10 No.4 P237-248

关键词： Synthesis;Optimization;Characterization;Antibacterial activities;Gold nanoparticles

摘要： Gold nanoparticles (AuNPs) are one of the prominent metal nanoparticles (NPs) with a broad range of applications in various fields of science and tech ...

[外文期刊] Effect of gap on the polymorphic transition of ε-CL-20

作者： Z K Wu^1,2;X D Song¹;W Zheng¹;J F Pei¹;Ch Zhang¹;R Zhang¹;F Q Zhao¹; （Xi’an Modern Chemistry Research Institute, Xi’an 710065, PR China;School of Chemistry and Chemical Engineering, Beijing institute of technology, Beijing 102488, PR China;Xi’an Modern Chemistry Research Institute, Xi’an 710065, PR China;Xi’an Modern Chemistry Research Institute, Xi’an 710065, PR China;Xi’an Modern Chemistry Research Institute, Xi’an 710065, PR China;Xi’an Modern Chemistry Research Institute, Xi’an 710065, PR China;Xi’an Modern Chemistry Research Institute, Xi’an 710065, PR China;Xi’an Modern Chemistry Research Institute, Xi’an 710065, PR China）

出处： Journal of Physics: Conference Series 2020 Vol.1507 P022003

摘要： The ε-form 2,4,6,8,10,12-hexanitro-2,4,6,8,10,12-hexaazatetracyclo [5.5.0.05,9.03,11] dodecane (CL-20) is the highest energy density compound which ca ...

[中文期刊] Giant pattern evolution in third-harmonic generation of strained monolayer WS_2 at two-photon excitonic resonance 核

作者： Liang Jing，Ma He，Wang Jinhuan，Zhou Xu，Yu Wentao，Ma Chaojie，Wu Muhong，Gao Peng，Liu Kaihui，Yu Dapeng （School of Physics，Peking University，State Key Laboratory for Mesoscopic Physics and Frontiers Science Center for Nano-optoelectronics；Academy for Advanced Interdisciplinary Studies，Peking University，Collaborative Innovation Center of Quantum Matter；School of Chemistry and Chemical Engineering，Beijing Institute of Technology；International Center for Quantum Materials，Electron Microscopy Laboratory，School of Physics，Peking University；Shenzhen Institute for Quantum Science and Engineering，and Department of Physics，Southern University of Science and Technology）

出处： Nano Research 2020 第13卷第12期 P3235-3240

关键词： two-dimensional；materials；nonlinear；optics；excitonic；effects

摘要： Strong geometrical confinement and reduced dielectric screening of two-dimensional (2D) materials leads to strong Coulomb interaction and eventually g ...

[中文期刊] Giant pattern evolution in third-harmonic generation of strained monolayer WS2 at two-photon excitonic resonance 核

作者： Jing Liang，He Ma，Jinhuan Wang，Xu Zhou，Wentao Yu，Chaojie Ma，Muhong Wu，Peng Gao，Kaihui Liu，Dapeng Yu （State Key Laboratory for Mesoscopic Physics and Frontiers Science Center for Nano-optoelectronics，School of Physics，Peking University，Beijing 100871，China；Academy for Advanced Interdisciplinary Studies，Collaborative Innovation Center of Quantum Matter，Peking University，Beijing 100871，China；School of Chemistry and Chemical Engineering Beijing Institute of Technology，Beijing100081，China；International Center for Quantum Materials，Electron Microscopy Laboratory，School of Physics，Peking University，Beijing 100871，China；Shenzhen Institute for Quantum Science and Engineering and Department of Physics，Southern University of Science and Technology，Shenzhen 518055，China）

出处：纳米研究(英文版) 2020 第13卷第12期 P3235-3240

关键词： two-dimensional；materials；nonlinear；optics；excitonic；effects

摘要： Strong geometrical confinement and reduced dielectric screening of two-dimensional(2D)materials leads to strong Coulomb interaction and eventually giv ...