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4篇 您的检索式:作者名="Xuexia He"
    题名 作者 年代 出处 被引量
1Epitaxial growth of large-area and highly crystalline anisotropic ReSe2 atomic layer显示文摘各向异性二维(2D ) 分层的材料金来二硫化物(因为它的不平常的性质和有希望的应用, ReSe 2) 吸引了可观的注意在电子并且 optoelectronic 设备。因为它的低格子对称和夹层去耦,各向异性的生长和 out-of-plane 生长不管多么容易发生,产出厚薄片,树枝状的结构,或象花的结构。在这研究,我们表明了一个自底向上的方法为控制并且由货车 der Waals 取向附生的 ReSe 2 的可伸缩的合成。完成可控制的生长,一与一个限制反应空格微反应堆被在化学蒸汽免职系统叠二云母底层构造。在限制反应空间以内, ReSe 2 的成核密度和生长率显著地被减少,赞成有一致单层厚度的 ReSe 2 的大区域的合成。有生长温度的 ReSe 2 的词法进化显示各向异性的生长在低生长温度被压制(< 600 吗?Fangfang Cui Xiaobo Li Qingliang Feng Jianbo Yin Lin Zhou Dongyan Liu Kaiqiang Liu Xuexia He Xing Liang Shengzhong Liu Zhibin Lei Zonghuai Liu Hailin Peng Jin Zhang Jing Kong Hua Xu 2017Nano Research2017,10,8:6
2Solvothermal-assisted liquid-phase exfoliation of large size and high quality black phosphorus显示文摘Black phosphorus(BP),especially for BP nanosheets,with unique layered structure among two dimensional(2D)materials has attracted much attention due to its outstanding physical properties,such as ultra-high mobility,in-plane anisotropic properties.However,the small horizontal-size of reported BP limits its applications in the integrated circuit or some functional devices.In this work,a solvothermalassisted liquid-phase exfoliation technique is firstly employed for preparing large size and high-quality BP nanosheets.In the high-polar acetonitrile solvent,solvothermal treatment weakens the Van der Waals forces of block BP.Together with the subsequently ultrasonic processing,effective exfoliation of large size and high-quality BP nanosheets are realized.The TEM,AFM and Raman results indicate that the prepared BP nanosheets are high quality with an average thickness of about 2 nm,and the horizontalsize is up to 10μm.This facile and effective method for exfoliated BP nanosheets provides a promising strategy for the exfoliation of other 2D materials.Zhe Yan Xuexia He Liaona She Jie Sun Ruibing Jiang Hua Xu Feng Shi Zhibin Lei Zong-Huai Liu 2018Journal of Materiomics2018,4,2:2
3Filling Ti_(3)C_(2)T_(x)nanosheets into melamine foam towards a highly compressible all-in-one supercapacitor显示文摘The development of compressible supercapacitors strongly relies on the design of electrode materials combining superior compressibility,high conductivity with the stable electrochemical cycling performance.In this work,we report a facile yet scalable strategy to construct a highly compressible supercapacitor by integrating the current collector,active materials and the separator into one device.We use the highly compressive melamine foam(MF)as scaffold and the Ti_(3)C_(2)T_(x)nanosheets as the active materials.Filling the few-layer Ti_(3)C_(2)T_(x)nanosheets into the skeleton of MF by capillary force followed by freeze-drying yields the MF/Ti_(3)C_(2)T_(x)composite with superior structural integrity that can be compressed at a large strain of 50%for 100 cycles.The electrochemical performances of the all-in-one supercapacitor were systematically investigated under diverse compression strains.The improved conductivity and reduced ion diffusion length allow the all-in-one supercapacitor to exhibit fast ion and electron kinetics even at high strain of 60%,delivering a maximal volumetric specific energy of 0.37 mWh∙cm^(-3)at power density of 0.42 mW∙cm^(-3)and extraordinary cycling performance during the 2,500 compression cycles.Rui Guo Xiying Han Peng Yuan Xuexia He Qi Li Jie Sun Liqin Dang Zonghuai Liu Yating Zhang Zhibin Lei 2022Nano Research2022,15,4:1
4Greater than 10 cm^(2) V^(−1) s ^(−1) : A breakthrough of organic semiconductors for field-effect transistors显示文摘Organic semiconductors have been receiving intensive attention due to the specific advantages of low-temperature processing ability,low-fabrication cost,flexibility,and so forth.The charge carrier mobility of higher than 10 cm^(2) V^(−1) s ^(−1)for organic semiconductors is of great importance to be studied since it presents a future promising research direction toward commercial microelectronic applications.With the significant progress of the discovery of novel organic molecules and the further improvements of device fabrication technology,some organic molecules can break the limit of our knowledge and show very high mobilities.In this review,organic polymers and small molecules with mobilities above 10 cm^(2) V^(−1) s ^(−1) are first introduced to provide the readers with a general understanding of the features and characteristics of high-performance organic semiconductors.Then,some important parameters,including the molecular structures,the device configurations,and the performance,are discussed in detail.Finally,the clues to obtain high mobility are summarized,and the perspective toward the future possible research directions are also provided.Peng Hu Xuexia He Hui Jiang 2021InfoMat2021,3,6:1
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