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Volume 18
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10.3390/ma18174046
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Communication

Optical Property Simulations of Gold and Silver Nanostructured Arrays Within a Liquid Crystal Environment

by
Zhenzhen Shang
1,
Guoting Zhang
1,
Xiaoying Liu
2,* and
Haishen Huang
3,*
1
School of Science, Qiongtai Normal University, Haikou 571127, China
2
Faculty of Teacher Education, Hainan Normal University, Haikou 571158, China
3
School of Physics and Electronic Science, Zunyi Normal University, Zunyi 563006, China
*
Authors to whom correspondence should be addressed.
Materials 2025, 18(17), 4046; https://doi.org/10.3390/ma18174046
Submission received: 20 July 2025 / Revised: 21 August 2025 / Accepted: 26 August 2025 / Published: 29 August 2025
(This article belongs to the Section Advanced Nanomaterials and Nanotechnology)
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Abstract

Tunability of the localized surface plasmon resonance (LSPR) peak position of gold and silver nanoparticle arrays embedded in a liquid crystal cell is investigated in this paper. The extinction spectra are computed using the Finite-Difference Time Domain (FDTD) simulation algorithms. Results show that the LSPR properties exhibit significant dependence on nanoparticle size and shape, array periodicity, and liquid crystal layer thickness. Notably, the LSPR wavelength saturates when the liquid crystal thickness exceeds a critical value. Furthermore, controlled rotation of the liquid crystal optical axis within distinct planes (xoy and xoz) reveals systematic variations in LSPR characteristics. Finally, we identify the key factors governing the LSPR spectral sensitivity of these noble metal nano-arrays.
Keywords: liquid crystal; localized surface plasmon resonance; LSPR wavelength; LSPR sensitivity liquid crystal; localized surface plasmon resonance; LSPR wavelength; LSPR sensitivity
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MDPI and ACS Style

Shang, Z.; Zhang, G.; Liu, X.; Huang, H. Optical Property Simulations of Gold and Silver Nanostructured Arrays Within a Liquid Crystal Environment. Materials 2025, 18, 4046. https://doi.org/10.3390/ma18174046

AMA Style

Shang Z, Zhang G, Liu X, Huang H. Optical Property Simulations of Gold and Silver Nanostructured Arrays Within a Liquid Crystal Environment. Materials. 2025; 18(17):4046. https://doi.org/10.3390/ma18174046

Chicago/Turabian Style

Shang, Zhenzhen, Guoting Zhang, Xiaoying Liu, and Haishen Huang. 2025. "Optical Property Simulations of Gold and Silver Nanostructured Arrays Within a Liquid Crystal Environment" Materials 18, no. 17: 4046. https://doi.org/10.3390/ma18174046

APA Style

Shang, Z., Zhang, G., Liu, X., & Huang, H. (2025). Optical Property Simulations of Gold and Silver Nanostructured Arrays Within a Liquid Crystal Environment. Materials, 18(17), 4046. https://doi.org/10.3390/ma18174046

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