• Journal of Semiconductors
  • Vol. 46, Issue 4, 042102 (2025)
Chenlin Wang1, Haixiao Zhao2, Xian Zhao2,3, Baoqing Sun1,2..., Jie Lian1,2 and Yuan Gao1,2,*|Show fewer author(s)
Author Affiliations
  • 1School of Information Science and Engineering, Shandong University, Qingdao 266237, China
  • 2Key Laboratory of Laser & Infrared System (Shandong University), Ministry of Education, Shandong University, Qingdao 266237, China
  • 3Center for Optics Research and Engineering (CORE), Shandong University, Qingdao 266237, China
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    DOI: 10.1088/1674-4926/24100011 Cite this Article
    Chenlin Wang, Haixiao Zhao, Xian Zhao, Baoqing Sun, Jie Lian, Yuan Gao. Layer-dependent optical and dielectric properties of CdSe semiconductor colloidal quantum wells characterized by spectroscopic ellipsometry[J]. Journal of Semiconductors, 2025, 46(4): 042102 Copy Citation Text show less
    References

    [1] B T Diroll, B Guzelturk, H Po et al. 2D Ⅱ–Ⅵ semiconductor nanoplatelets: From material synthesis to optoelectronic integration. Chem Rev, 123, 3543(2023).

    [2] D F Macias-Pinilla, J Planelles, I Mora-Seró et al. Comparison between trion and exciton electronic properties in CdSe and PbS nanoplatelets. J Phys Chem C, 125, 15614(2021).

    [3] R Scott, J Heckmann, A V Prudnikau et al. Directed emission of CdSe nanoplatelets originating from strongly anisotropic 2D electronic structure. Nat Nanotechnol, 12, 1155(2017).

    [4] I Tanghe, M Samoli, I Wagner et al. Optical gain and lasing from bulk cadmium sulfide nanocrystals through bandgap renormalization. Nat Nanotechnol, 18, 1423(2023).

    [5] Z T Zhang, Y T Thung, X X Chen et al. Study of complex optical constants of neat cadmium selenide nanoplatelets thin films by spectroscopic ellipsometry. J Phys Chem Lett, 12, 191(2021).

    [6] B T Diroll, R D Schaller. Reexamination of the giant oscillator strength effect in CdSe nanoplatelets. J Phys Chem C, 127, 4601(2023).

    [7] M A Ibrahem, M Waris, M R Miah et al. Orientation-dependent photoconductivity of quasi-2D nanocrystal self-assemblies: Face-down, edge-up versus randomly oriented quantum wells. Small, 20, 2401423(2024).

    [8] S Das, A Tripathi, A Parida et al. Visible light photodetectors based on hydrothermally synthesized Cd-Se-Te nanostructures. ACS Appl Electron Mater, 6, 6522(2024).

    [9] Y Zhang, W B Xiang, R Wang et al. Study of the mechanisms of the phonon bottleneck effect in CdSe/CdS core/shell quantum dots and nanoplatelets and their application in hot carrier multi-junction solar cells. Nanoscale Adv, 5, 5594(2023).

    [10] S X Liao, Z Z Yang, J D Lin et al. A hierarchical structure perovskite quantum dots film for laser-driven projection display. Adv Funct Mater, 33, 2210558(2023).

    [11] J Kim, J Roh, M Park et al. Recent advances and challenges of colloidal quantum dot light-emitting diodes for display applications. Adv Mater, 36, 2212220(2024).

    [12] K D Park, M A May, H X Leng et al. Tip-enhanced strong coupling spectroscopy, imaging, and control of a single quantum emitter. Sci Adv, 5, eaav5931(2019).

    [13] K Jo, E Marino, J Lynch et al. Direct nano-imaging of light-matter interactions in nanoscale excitonic emitters. Nat Commun, 14, 2649(2023).

    [14] E Ugur, A A Said, P Dally et al. Enhanced cation interaction in perovskites for efficient tandem solar cells with silicon. Science, 385, 533(2024).

    [15] D Kumar, H R Li, U K Das et al. Flexible solution-processable black-phosphorus-based optoelectronic memristive synapses for neuromorphic computing and artificial visual perception applications. Adv Mater, 35, 2300446(2023).

    [16] A Rani, A Verma, B C Yadav. Advancements in transition metal dichalcogenides (TMDCs) for self-powered photodetectors: Challenges, properties, and functionalization strategies. Mater Adv, 5, 3535(2024).

    [17] Y G Yao, Y K Zhu, A Hu et al. Temperature-regulated in-plane exciton dynamics in CdSe/CdSeS colloidal quantum well heterostructures. ACS Photonics, 10, 4052(2023).

    [18] A A Marder, J Cassidy, D Harankahage et al. CdS/CdSe/CdS spherical quantum wells with near-unity biexciton quantum yield for light-emitting-device applications. ACS Materials Lett, 5, 1411(2023).

    [19] G H Ba, Y M Yang, F Huang et al. Gradient alloy shell enabling colloidal quantum wells light-emitting diodes with efficiency exceeding 22%. Nano Lett, 24, 4454(2024).

    [20] N Taghipour, S Delikanli, S Shendre et al. Sub-single exciton optical gain threshold in colloidal semiconductor quantum wells with gradient alloy shelling. Nat Commun, 11, 3305(2020).

    [21] S Delikanli, G N Yu, A Yeltik et al. Ultrathin highly luminescent two-monolayer colloidal CdSe nanoplatelets. Adv Funct Mater, 29, 1901028(2019).

    [22] S Jana, R Martins, E Fortunato. Stacking-dependent electrical transport in a colloidal CdSe nanoplatelet thin-film transistor. Nano Lett, 22, 2780(2022).

    [23] A Sharma, M Sharma, K Gungor et al. Near-infrared-emitting five-monolayer thick copper-doped CdSe nanoplatelets. Adv Optical Mater, 7, 1900831(2019).

    [24] A H Khan, V Pinchetti, I Tanghe et al. Tunable and efficient red to near-infrared photoluminescence by synergistic exploitation of core and surface silver doping of CdSe nanoplatelets. Chem Mater, 31, 1450(2019).

    [25] T K Kormilina, S A Cherevkov, A V Fedorov et al. Cadmium chalcogenide nano-heteroplatelets: Creating advanced nanostructured materials by shell growth, substitution, and attachment. Small, 13, 1702300(2017).

    [26] Y L Li, L F Wang, D M Xiang et al. Dielectric and wavefunction engineering of electron spin lifetime in colloidal nanoplatelet heterostructures. Adv Sci, 11, 2306518(2024).

    [27] Y Altintas, K Gungor, Y Gao et al. Giant alloyed hot injection shells enable ultralow optical gain threshold in colloidal quantum wells. ACS Nano, 13, 10662(2019).

    [28] S Christodoulou, J I Climente, J Planelles et al. Chloride-induced thickness control in CdSe nanoplatelets. Nano Lett, 18, 6248(2018).

    [29] B T Diroll. Colloidal quantum wells for optoelectronic devices. J Mater Chem C, 8, 10628(2020).

    [30] M Ashry, S Fares. Radiation effect on the optical and electrical properties of CdSe(In)/p-Si heterojunction photovoltaic solar cells. J Semicond, 33, 102001(2012).

    [31] Y T Bao, X R Wang, S J Xu. Sub-bandgap refractive indexes and optical properties of Si-doped β-Ga2O3 semiconductor thin films. J Semicond, 43, 062802(2022).

    [32] C X She, I Fedin, D S Dolzhnikov et al. Low-threshold stimulated emission using colloidal quantum wells. Nano Lett, 14, 2772(2014).

    [33] Y Gao, M J Li, S Delikanli et al. Low-threshold lasing from colloidal CdSe/CdSeTe core/alloyed-crown type-II heteronanoplatelets. Nanoscale, 10, 9466(2018).

    [34] T Galle, D Spittel, N Weiß et al. Simultaneous ligand and cation exchange of colloidal CdSe nanoplatelets toward PbSe nanoplatelets for application in photodetectors. J Phys Chem Lett, 12, 5214(2021).

    [35] B T Diroll, R D Schaller. Intersubband relaxation in CdSe colloidal quantum wells. ACS Nano, 14, 12082(2020).

    [36] Y L Li. Measurement of the optical dielectric function of monolayer transition metal dichalcogenides: MoS2, MoSe2, WS2, and WSe2. Phys Rev B, 90, 205422(2014).

    [37] Y V Morozov, M Kuno. Optical constants and dynamic conductivities of single layer MoS2, MoSe2, and WSe2. Appl Phys Lett, 107, 083103(2015).

    [38] D B Hu, X X Yang, C Li et al. Probing optical anisotropy of nanometer-thin van der waals microcrystals by near-field imaging. Nat Commun, 8, 1471(2017).

    [39] X Z Chen, D B Hu, R Mescall et al. Modern scattering-type scanning near-field optical microscopy for advanced material research. Adv Mater, 31, 1804774(2019).

    [40] C L Wang, M J Ying, J Lian et al. Structural, optical and dielectric properties of (Co and Sm) co-implanting O-polar ZnO films on sapphire substrate. J Alloys Compd, 876, 160017(2021).

    [41] C L Wang, M J Ying, J Lian et al. Structural, optical and half-metallic properties of Mn and As co-implanted ZnO thin films. Appl Surf Sci, 575, 151703(2022).

    [42] C Y Ye, W Lin, J Zhou et al. Optical properties of InN studied by spectroscopic ellipsometry. J Semicond, 37, 102002(2016).

    [43] M Y Wei, J Lian, Y Zhang et al. Layer-dependent optical and dielectric properties of centimeter-scale PdSe2 films grown by chemical vapor deposition. NPJ 2D Mater Appl, 6, 1(2022).

    [44] H G Gu, B K Song, M S Fang et al. Layer-dependent dielectric and optical properties of centimeter-scale 2D WSe2: Evolution from a single layer to few layers. Nanoscale, 11, 22762(2019).

    [45] M L Zhao, Y J Shi, J Dai et al. Ellipsometric study of the complex optical constants of a CsPbBr3 perovskite thin film. J Mater Chem C, 6, 10450(2018).

    [46] F Ströhl, D L Wolfson, I S Opstad et al. Label-free superior contrast with c-band ultra-violet extinction microscopy. Light Sci Appl, 12, 56(2023).

    Chenlin Wang, Haixiao Zhao, Xian Zhao, Baoqing Sun, Jie Lian, Yuan Gao. Layer-dependent optical and dielectric properties of CdSe semiconductor colloidal quantum wells characterized by spectroscopic ellipsometry[J]. Journal of Semiconductors, 2025, 46(4): 042102
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