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  1. No Access

    Article

    Alkali-metal-embedded in monolayer MoS2: optical properties and work functions

    Embedding alkali-metal in monolayer MoS2 has been investigated by using first principles with density functional theory. The calculation of the electronic and optical properties indicates that alkali-metal was em...

    Zhen Cui, **a Wang, Yingchun Ding, Chao Zhang, Meiqin Li in Optical and Quantum Electronics (2018)

  2. No Access

    Article

    Effect of vacancy defect on optoelectronic properties of monolayer tungsten diselenide

    Optoelectronic properties of pristine and vacancy defect monolayer tungsten diselenide (WSe2) have been investigated by the first principles calculations. The results predicate that Se defect monolayer WSe2 is di...

    Zhen Cui, **zheng Ke, Enling Li, **a Wang, Yingchun Ding… in Optical and Quantum Electronics (2017)

  3. No Access

    Article

    GaN nanocones field emitters with the selenium do**

    The pure and selenium (Se)-doped GaN nanocones were grown via a vapor–liquid–solid (VLS) mechanism with Pt catalysts. The diameter of GaN nanocones gradually decreases from ~500 to ~100 nm along the wire axis,...

    Zhen Cui, Enling Li in Optical and Quantum Electronics (2017)

  4. No Access

    Article

    Density functional theories study on optoelectronic properties of arsenic-doped GaN nanowires

    The electronic and optical properties of As-doped GaN nanowires have been investigated using density functional theory. The energy gaps of As-doped GaN nanowires with different concentrations exhibit indirect ...

    Ying Zhang, Zhen Cui, Yingchun Ding, Tong Liu in Optical and Quantum Electronics (2016)