Metal halide perovskite solar cells (PSCs) offer high power-to-weight ratios and superior absorption properties, holding significant promise for space and avionics applications. However, the irradiation stability of PSCs, particularly under fast neutron exposure, remains insufficient. Here, we report a comprehensive st...
Terahertz waves combine the dual characteristics of electronics and photonics and boast tremendous application potential in fields including nondestructive testing, telecommunications and biochemical sensing. Natural materials generally interact weakly with terahertz waves. In contrast, the reversible metal–insulator t...
Si-Wen Zhang, Jun Zhu, Zao Yi et al.· Micromachines· 0 citations
Tunable terahertz (THz) absorbers require broadband response, dynamic control, and simple device architectures. Here, we propose a dual‐state VO2–graphene composite metasurface comprising one patterned graphene layer, a SiO2 dielectric spacer, and a VO2 substrate. The thermally induced insulator‐to‐metal transition of...
Chen-Xi Xiang, Zao Yi, Chong-Hui Li· International journal of num...· 0 citations
This paper proposes an ultra‐broadband terahertz absorber featuring a composite‐patterned monolayer graphene metasurface. By structurally combining a centrally perforated elliptical array with adjacent slotted strips, the absorber achieves a continuous working band from 2.18 to 6.32 THz, with a relative bandwidth of...
Si-Qi Li, Li Liu, Yong Zhang et al.· International journal of num...· 0 citations
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