LUMO

作品数:63被引量:92H指数:5
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相关作者:刘俊王利祥孟彬马美仲谢安东更多>>
相关机构:中国科学院东北师范大学吉林大学合肥工业大学更多>>
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基于团簇MMoS_(4)(M=Ni,Co,Fe)催化析氢的密度泛函理论研究
《材料科学与工艺》2025年第2期67-74,共8页宋嘉 方志刚 王智瑶 宋静丽 刘立娥 吴庭慧 
国家自然科学基金重点项目(51634004);国家级大学生创新创业训练计划项目(202210146008,202210146011)。
为探究团簇MMoS_(4)内部的催化析氢机理及性能,本研究以密度泛函理论为基础,在B3LYP/def2tzvp水平下运用Gaussian09软件分别在1、2、3、4重态下对团簇MMoS_(4)的初始构型进行优化计算,得到8种稳定构型,其中的5种稳定构型在吸附氢原子后...
关键词:析氢 密度泛函理论 能级差 HOMO、LUMO图 前线轨道理论 
煤分子结构中不同气体的吸附—扩散微观机理研究
《能源与环保》2024年第11期42-48,共7页上官科峰 万成 完颜晓亮 刘宗林 
中国华能科技研发项目(HNKJ21-H56-11)。
为探究CO_(2)/CH_(4)/N_(2)气体在煤大分子结构中吸附—扩散效应的差异性和微观机理,基于鄂尔多斯上湾煤矿褐煤大分子结构模型,采用密度泛函理论方法(DFT)、蒙特卡洛方法(GCMC)和分子动力学方法(MD)对煤分子模型的静电势分布特征、最高...
关键词:静电势分布 HOMO/LUMO轨道能级 煤大分子模型 孔隙结构 吸附—扩散 
Beyond 1,4-addition of in-situ generated(aza-)quinone methides and indole imine methides
《Chinese Chemical Letters》2024年第7期35-53,共19页Yan-Li Li Zhi-Ming Li Kai-Kai Wang Xiao-Long He 
the financial support from the National Natural Science Foundation of China(No.22001216);the Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province(No.CSPC202315);the Science and Technology Department of Sichuan Province,China(No.2022NSFSC1203);the Higher Education Institution Key Research Project Plan of Henan Province(No.24B150031);the Program for Youth Backbone Teacher Training in University of Henan Province(No.2021GGJS163)。
The conjugate addition of in-situ generated(aza-)quinone methides(QMs)and indole imine methides(IIMs)emerged as a powerful protocol to access densely functionalized benzenes and indoles.Hydroxybenzyl alcohols,aminoben...
关键词:Conjugate addition QMS IIMS LUMO Remote activation Dearomative addition 
A new nonfullerene acceptor with an extended π conjugation core enables ternary organic solar cells approaching 19%efficiency
《Nano Research》2024年第5期4062-4068,共7页Chunyan Liu Nailiang Qiu Zhengjin Li Yan Lu 
supported by the National Natural Science Foundation of China(No.52173010);Jining University(Nos.2022HHKJ11,2019BSZX01).
In organic solar cells(OSCs),it is an effective way to improve the power conversion efficiency(PCE)by adding a guest component with appropriate absorption and energy levels in the host system.Herein,a new nonfullerene...
关键词:medium optical bandgap high lowest unoccupied molecular orbital(LUMO)level the third component ternary organic solar cell high open-circuit voltage 
硫酸乙烯酯及其改性分子氧化还原稳定性的密度泛函理论研究
《河南化工》2024年第2期18-21,共4页朱永霞 段宾 李亚楠 
基于密度泛函,分别从HOMO/LUMO和氧化/还原电位两个角度研究硫酸乙烯酯分子(DTD)及其改性分子的氧化/还原稳定性。通过垂直电离势的方法对化合物电位进行计算,模拟数值与实验数值有较好的吻合,电位展现出的氧化/还原稳定性趋势与分子的H...
关键词:硫酸乙烯酯 密度泛函理论 HOMO/LUMO 氧化/还原电位 
Viologens-based redox mediators with tunable HOMO–LUMO energy gap for highly effective hydrogen peroxide electrosynthesis被引量:1
《Nano Research》2023年第12期12936-12941,共6页Yang Gao Xiaohui Xu Yue Niu Xinran Hu Zeyu Li Longkun Yang Linjie Zhi Bin Wang 
financial support from the National Key R&D Program of China(Nos.2021YFA1202802,2022YFF0712200,and 2022YFE0127400);the National Natural Science Foundation of China(Nos.U20A20131 and 51425302);the China Postdoctoral Science Foundation Funded Project(No.2021M690801);the CAS Pioneer Hundred Talents Program.
In comparison with the developing nano-carbon catalysts,some small organic molecules are also emerging as catalysts with typical features,however,their working mechanism is still unclear.Here,we synthesized a series o...
关键词:VIOLOGENS electrocatalysis hydrogen peroxide redox mediator oxygen reduction 
具有超低LUMO/HOMO能级的稠环芳烃分子
《化学学报》2023年第10期1295-1300,共6页刘蕊 孟彬 胡俊丽 刘俊 
国家自然科学基金(Nos.22075273,22275029);吉林省科技发展计划项目(No.20220204097YY)资助.
低LUMO/HOMO(最低未占分子轨道/最高占据分子轨道)能级的有机小分子的种类和数量都很少,其设计与合成具有重要的科学价值和应用价值.传统的设计超低LUMO/HOMO能级有机小分子的策略是在分子中引入多个氰基.本工作设计并合成了含有四个硼...
关键词:能级 硼氮配位键 酰亚胺 p-掺杂 稠环分子 
Benzothiophene and benzosulfone fused pyrazino[2,3-g]quinoxaline:Synthesis and semiconducting properties
《Chinese Chemical Letters》2023年第2期563-566,共4页Fangwei Ding Debin Xia Xiping Ding Ruibin Deng Congwu Ge Yulin Yang Ruiqing Fan Kaifeng Lin Xike Gao 
supported by Natural Science Foundation of Heilongjiang Youth Fund (No. YQ2021B002);Heilongjiang Postdoctoral Scientific Research Developmental Fund (No. LBH-Q20018);State Key Laboratory of Urban Water Resource and Environment (Harbin Institute of Technology)。
A novel air-stable n-type benzothiaphene endcapped azaarene(BTPQ) and its sulfonated derivative(BSPQ) were prepared via two pathways and characterized by NMR, UV–vis, fluorescence and cyclic voltammetry spectroscopy....
关键词:AZAARENES Deep LUMO levels n-type Organic semiconductor Polycyclic aromatic hydrocarbons 
Metal organophosphates:electronic structure tuning from inert materials to universal alkali-metal-ion battery cathodes被引量:1
《Rare Metals》2023年第1期122-133,共12页Wu-Jie Dong Jia-Bo Le Yan Jin Guo-Qing Zhang Bin Ye Peng Qin Fu-Qiang Huang 
financially supported by the Science and Technology Commission of Shanghai Municipality (No. 22ZR1471300);the National Science Foundation of China (Nos. 21871008,51922103 and 21801247);the Key Research Program of Chinese Academy of Sciences (No.QYZDJ-SSW-JSC013);China Postdoctoral Science Foundation (Nos.2020M671242 and 2021T140688)。
Organic cathodes for alkali-metal-ion batteries attract great attentions in recent years,but the ion storage sites are limited to some finite functional groups.This is because an organic cathode must have proper lowes...
关键词:Organic cathodes Alkali-metal-ion battery Lowest unoccupied molecular orbitals(LUMO) Organophosphates 
DFT and TD-DFT Calculations of Orbital Energies and Photovoltaic Properties of Small Molecule Donor and Acceptor Materials Used in Organic Solar Cells
《Journal of Renewable Materials》2022年第10期2553-2567,共15页Daniel Dodzi Yao Setsoafia Kiran Sreedhar Ram Hooman Mehdizadeh-Rad David Ompong Vinuthaa Murthy Jai Singh 
DFT and TD-DFT calculations of HOMO and LUMO energies and photovoltaic properties are carried out on four selected pentathiophene donor and one IDIC-4F acceptor molecules using B3LYP and PBE0 functionals for the groun...
关键词:ACCEPTOR DONOR DFT excitons HOMO LUMO small molecule electrophilic nucleophilic and reorganization energy 
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