Chinese Optics Letters, Volume. 20, Issue 10, 100002(2022)

Layer-dependent photoexcited carrier dynamics of WS2 observed using single pulse pump probe method

Lin Zhang1, Jiamin Liu1, Hao Jiang1、*, Honggang Gu1, and Shiyuan Liu1,2、**
Author Affiliations
  • 1State Key Laboratory of Digital Manufacturing Equipment and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
  • 2Optics Valley Laboratory, Wuhan 430074, China
  • show less
    References (35)&Cited By (0)

    [1] C. Cong, J. Shang, Y. Wang, T. Yu. Optical properties of 2D semiconductor WS2. Adv. Opt. Mater., 6, 1700767(2018).

    [2] R. K. Chowdhury, S. Nandy, S. Bhattacharya, M. Karmakar, S. N. B. Bhaktha, P. K. Datta, A. Taraphder, S. K. Ray. Ultrafast time-resolved investigations of excitons and biexcitons at room temperature in layered WS2. 2D Mater., 6, 015011(2018).

    [3] T. Zhu, J. M. Snaider, L. Yuan, L. Huang. Ultrafast dynamic microscopy of carrier and exciton transport. Annu. Rev. Phys. Chem., 70, 219(2019).

    [4] K. S. Novoselov, D. Jiang, F. Schedin, T. J. Booth, V. V. Khotkevich, S. V. Morozov, A. K. Geim. Two-dimensional atomic crystals. Proc. Natl. Acad. Sci. USA, 102, 10451(2005).

    [5] H. Gu, B. Song, M. Fang, Y. Hong, X. Chen, H. Jiang, W. Ren, S. Liu. Layer-dependent dielectric and optical properties of centimeter-scale 2D WSe2: evolution from a single layer to few layers. Nanoscale, 11, 22762(2019).

    [6] B. Song, H. Gu, M. Fang, Y.-T. Ho, X. Chen, H. Jiang, S. Liu. Complex optical conductivity of 2D MoS2: a striking layer-dependency. J. Phys. Chem. Lett., 10, 6246(2019).

    [7] K. F. Mak, C. Lee, J. Hone, J. Shan, T. F. Heinz. Atomically thin MoS2: a new direct-gap semiconductor. Phys. Rev. Lett., 105, 136805(2010).

    [8] L. Gao. Flexible device applications of 2D semiconductors. Small, 13, 1603994(2017).

    [9] D. Jariwala, V. K. Sangwa, L. J. Lauhon, T. J. Marks, M. C. Hersam. Emerging device applications for semiconducting two-dimensional transition metal dichalcogenides. ACS Nano, 8, 1102(2014).

    [10] B. W. Baugher, H. O. Churchill, Y. Yang, P. Jarillo-Herrero. Optoelectronic devices based on electrically tunable p-n diodes in a monolayer dichalcogenide. Nat. Nanotechnol., 9, 262(2014).

    [11] T. Yang, H. Lin, B. Jia. Ultrafast direct laser writing of 2D materials for multifunctional photonics devices [Invited]. Chin. Opt. Lett., 18, 023601(2020).

    [12] T. Jiang, R. Chen, X. Zheng, Z. Xu, Y. Tang. Photo-induced excitonic structure renormalization and broadband absorption in monolayer tungsten disulphide. Opt. Express, 26, 859(2018).

    [13] P. Schiettecatte, P. Geiregat, Z. Hens. Ultrafast carrier dynamics in few-layer colloidal molybdenum disulfide probed by broadband transient absorption spectroscopy. J. Phys. Chem. C, 123, 10571(2019).

    [14] Y. Li, W. Liu, Y. Wang, Z. Xue, Y. C. Leng, A. Hu, H. Yang, P. H. Tan, Y. Liu, H. Misawa, Q. Sun, Y. Gao, X. Hu, Q. Gong. Ultrafast electron cooling and decay in monolayer WS2 revealed by time- and energy-resolved photoemission electron microscopy. Nano Lett., 20, 3747(2020).

    [15] A. Hu, W. Liu, X. Li, S. Xu, Y. Li, Z. Xue, J. Tang, L. Ye, H. Yang, M. Li, Y. Ye, Q. Sun, Q. Gong, G. Lu. Spectromicroscopy and imaging of photoexcited electron dynamics at in-plane silicon pn junctions. Nanoscale, 13, 2626(2021).

    [16] W. Zheng, P. Jiang, L. Zhang, Y. Wang, Q. Sun, Y. Liu, Q. Gong, C. Wu. Ultrafast extreme ultraviolet photoemission electron microscope. Rev. Sci. Instrum., 92, 043709(2021).

    [17] L. Yuan, L. Huang. Exciton dynamics and annihilation in WS2 2D semiconductors. Nanoscale, 7, 7402(2015).

    [18] X. Xing, L. Zhao, Z. Zhang, X. Liu, K. Zhang, Y. Yu, X. Lin, H. Y. Chen, J. Q. Chen, Z. Jin, J. Xu, G.-h. Ma. Role of photoinduced exciton in the transient terahertz conductivity of few-layer WS2 laminate. J. Phys. Chem. C, 121, 20451(2017).

    [19] J. K. Gustafson, P. D. Cunningham, K. M. McCreary, B. T. Jonker, L. M. Hayden. Ultrafast carrier dynamics of monolayer WS2 via broad-band time-resolved terahertz spectroscopy. J. Phys. Chem. C, 123, 30676(2019).

    [20] H. Wang, C. Zhang, F. Rana. Ultrafast dynamics of defect-assisted electron-hole recombination in monolayer MoS2. Nano Lett., 15, 339(2015).

    [21] C. Ruppert, A. Chernikov, H. M. Hill, A. F. Rigosi, T. F. Heinz. The role of electronic and phononic excitation in the optical response of monolayer WS2 after ultrafast excitation. Nano Lett., 17, 644(2017).

    [22] Z. Chi, H. Chen, Q. Zhao, Y. X. Weng. Observation of the hot-phonon effect in monolayer MoS2. Nanotechnology, 31, 235712(2020).

    [23] Z. Nie, R. Long, L. Sun, C. C. Huang, J. Zhang, Q. Xiong, D. W. Hewak, Z. Shen, O. V. Prezhdo, Z. H. Loh. Ultrafast carrier thermalization and cooling dynamics in few-layer MoS2. ACS Nano, 8, 10931(2014).

    [24] V. Vega-Mayoral, D. Vella, T. Borzda, M. Prijatelj, I. Tempra, E. A. Pogna, S. Dal Conte, P. Topolovsek, N. Vujicic, G. Cerullo, D. Mihailovic, C. Gadermaier. Exciton and charge carrier dynamics in few-layer WS2. Nanoscale, 8, 5428(2016).

    [25] Z. E. Eroglu, O. Comegys, L. S. Quintanar, N. Azam, S. Elafandi, M. Mahjouri-Samani, A. Boulesbaa. Ultrafast dynamics of exciton formation and decay in two-dimensional tungsten disulfide (2D-WS2) monolayers. Phys. Chem. Chem. Phys., 22, 17385(2020).

    [26] A. Brasington, D. Golla, A. Dave, B. Chen, S. Tongay, J. Schaibley, B. J. LeRoy, A. Sandhu. Role of defects and phonons in bandgap dynamics of monolayer WS2 at high carrier densities. J. Phys. Mater., 4, 015005(2021).

    [27] P. D. Cunningham, K. M. McCreary, A. T. Hanbicki, M. Currie, B. T. Jonker, L. M. Hayden. Charge trapping and exciton dynamics in large-area CVD grown MoS2. J. Phys. Chem. C, 120, 5819(2016).

    [28] Y. Zhao, Q. Huang, H. Cai, X. Lin, H. He, H. Cheng, T. Ma, Y. Lu. Ultrafast control of slow light in THz electromagnetically induced transparency metasurfaces. Chin. Opt. Lett., 19, 073602(2021).

    [29] L. Zhang, J. Liu, W. Gong, H. Jiang, S. Liu. Diffraction based single pulse measurement of air ionization dynamics induced by femtosecond laser. Opt. Express, 29, 18601(2021).

    [30] Q. Yue, Z. Cheng, L. Han, Y. Yang, C. Guo. One-shot time-resolved holographic polarization microscopy for imaging laser-induced ultrafast phenomena. Opt. Express, 25, 14182(2017).

    [31] Z. Zhong, L. Zhang, H. Jiang, W. Gong, H. Gu, X. Chen, S. Liu. A Brewster incidence method for shocked dynamic metrology of transparent materials and its error evaluation. AIP Adv., 10, 105203(2020).

    [32] H. Tsai, Y. Huang, P. Tsai, Y. Chen, H. Ahn, S. Lin, Y. Lu. Ultrafast exciton dynamics in scalable monolayer MoS2 synthesized by metal sulfurization. ACS Omega, 5, 10725(2020).

    [33] Z. Zhong, W. Gong, H. Jiang, H. Gu, X. Chen, S. Liu. Investigation of spatial chirp induced by misalignments in a parallel grating pair pulse stretcher. Appl. Sci., 10, 103110(2020).

    [34] M. Palummo, M. Bernardi, J. C. Grossman. Exciton radiative lifetimes in two-dimensional transition metal dichalcogenides. Nano Lett., 15, 2794(2015).

    [35] H. Wang, C. Zhang, W. Chan, C. Manolatou, S. Tiwari, F. Rana. Radiative lifetimes of excitons and trions in monolayers of the metal dichalcogenide MoS2. Phys. Rev. B, 93, 045407(2016).


    Get Citation

    Copy Citation Text

    Lin Zhang, Jiamin Liu, Hao Jiang, Honggang Gu, Shiyuan Liu. Layer-dependent photoexcited carrier dynamics of WS2 observed using single pulse pump probe method[J]. Chinese Optics Letters, 2022, 20(10): 100002

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category: Ultrafast Optics: fundamentals and applications

    Received: Apr. 11, 2022

    Accepted: Jun. 16, 2022

    Published Online: Aug. 4, 2022

    The Author Email: Hao Jiang (, Shiyuan Liu (



    Please enter the answer below before you can view the full text.