Table 2 Comparative analysis of the proposed structure with related solar cell materials.

From: Wideband metamaterial perfect absorber using topological insulator material for infrared and visible light spectrum: a numerical approach

Ref.

Materials

Wavelength (\(\:{\upmu\:}\text{m}\))

Maximum Absorption

Amplitude

This Study

Au, Si/SiO2/InP, TI (Bi1.5Sb0.5Te1.8Se1.2)

\(\:0.2-1.6\)

> 99.9%

44

Si, SiO2, Ti,

\(\:0.3-2.5\)

99%

45

SiO2, Tungsten, Si3N4

\(\:0.44-0.54\)

99.8%

46

Ni/SiO2

\(\:0.4-0.7\)

99%

47

Au/MgF2, Tungsten

\(\:0.25-3\)

> 98%

48

ZnSe, Cu

\(\:8.5-20\)

99.28%

49

Au, Cu, Ag, Al

\(\:0.4-0.66\)

99.7%

50

Al, Ga As

\(\:0.44-0.6\)

99.96%

51

W, AlN

\(\:1-4\)

41%

52

Au, SiO2

\(\:0.7-1.9\)

97.88%

53

TiN, SiO2, TiO2

\(\:0.19-1.9\)

> 90%

54

W/MgF2, Ti

\(\:0.3-20\)

78%

55

Au, SiO2

\(\:0.5-2.5\)

~ 90%

56

Glass, Ag, SiO2

\(\:0.3-0.75\)

92%

57

graphene/dielectric/graphene

\(\:1.5-4.5\) THz

\(\:-\)

58

Ag, SiO2

\(\:0.5-0.8\)

\(\:-\)

59

Au, graphene, SiO2

\(\:0.5-2.5\) THz

98.9%

38

Metal, TI, SiO2

\(\:0.2-1.6\)

close to 1 or 100%

60

Si3N4-TiN, SiO2, Ti

\(\:280-2500\:\text{n}\text{m}\)

97.77%

61

TiN,

\(\:300-2500\:\text{n}\text{m}\)

95.2%

62

graphene SiO2, Au

\(\:26.73995\:\text{T}\text{H}\text{z}\:\text{a}\text{n}\text{d}\:26.75145\:\text{T}\text{H}\text{z}\)

99.72 and 99.64%