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| 1 | Electrical and Raman properties of p-type and n-type modified graphene by inorganic quantum dot and organic molecule modification显示文摘We obtained n-type and p-type modified graphene by mixing quantum dots and depositing electron-acceptor molecules on the surface of graphene, respectively. The electrical and optical properties of these two types of samples were measured. For n-type modified graphene, the electrons were transferred from quantum dots to graphene. The resistance of these quantum dots in modified n-type graphene is significantly smaller than that of pristine graphene. For p-type graphene, modified by electron-acceptor organic molecules of tetracyanoethylene (TCNE), electrons were transferred from graphene to TCNE molecules. The resistance of this molecular modified p-type graphene is about 10% larger than that of pristine graphene. The charge transfer effect on the optical properties of graphene was investigated with Raman spectra. | HOU YanXue GENG XiuMei LI YuanZuo DONG Bin LIU LiWei SUN MengTao | 2011 | Science China(Physics,Mechanics & Astronomy)2011，54，3： | 4 |
| 2 | Study on the Complexity of Space Military System显示文摘 | Xin Jin Yuanzuo Li Shuyun Liu | 2007 | Journal of Systems Science and Information2007，5，2： | 2 |
| 3 | 查看详情显示文摘 | Liu Shasha Zhao Xiuming Li Yuanzuo | | 0，，： | 1 |
| 4 | Direct visualization of the charge transfer in conjugated polymers显示文摘Ion-induced charge-transfer states in conjugated polyelectrolytes were experimentally investigated by Justin M.Hodgkiss and his co-workers [J Am Chem Soc,2009,131(25):8913].In this work,charged and neutral conjugated polyelectrolytes were further studied with quantum chemistry methods.The calculation result shows that the absorption spectra are roughly in visible and ultraviolet light regions,and the two absorption peaks are located in the wavelength span 300-400 nm for charged polyelectrolytes.However,in neutral conjugated polyelectrolytes,the peaks of the absorption spectra showed a blue shift compared with those of the charged polyelectrolytes.Charge transfer (CT) properties of the studied compounds were also investigated with both the three-dimensional real-space analysis method of transition and charge difference densities,and the two-dimensional real-space analysis method of transition density matrices based on the simulated absorption spectra.The calculation results revealed the charge transfer in conjugated polyelectrolytes on the excitation states. | LI Yan LI YuanZuo DONG Bin YANG ZhiLin | 2011 | Science China(Physics,Mechanics & Astronomy)2011，54，6： | 1 |
| 5 | Experimental verification of nanonization enhanced solubility for poorly soluble optoelectronic molecules显示文摘Solubility enhancement has been a priority to overcome poor solubility with optoelectronic molecules for solution-processable devices. This study aims to obtain experimental data on the effect of particle sizes on the solubility properties of several typical optoelectronic molecules in organic solvents, including the solubility results of 1,3-bis(9-carbazolyl)benzene(m CP), 1,3,5-tris(1-phenyl-1H-benzimidazol-2-yl)ben zene(TPBi) and 2-(4-tert-butylphenyl)-5-(4-biphenyl)-1,3,4-oxadiazole(PBD) in ethanol and acetonitrile,respectively. Nanoparticles of m CP, TPBi and PBD with sizes from dozens to several hundred nanometers were prepared by solvent antisolvent precipitation method and their solubility were determined by using isothermal saturation method. The saturation solubility of nanoparticles of three kinds of optoelectronic molecules exhibited increase of 12.9%-25.7% in comparison to the same raw materials in the form of microparticles. The experimental evidence indicates that nanonization technology is a feasible way to make optoelectronic molecules dissolve in liquids with enhanced solubility. | Jingzhou Guo Yuanzuo Zou Bo Shi Yuan Pu Jiexin Wang Dan Wang Jianfeng Chen | 2023 | Chinese Journal of Chemical Engineering2023，60，8： | 0 |
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