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Comparison of coating processes related to production of AR coating
“The processing time required, including thermal curing. — Table 1 Comparison of coating processes related to production of AR coating “The processing time required, including thermal curing.

Related Figures (15)

Fig. 1. The representation of a layer exhibiting linear inhomogeneity and small refractive index steps at
layer boundaries.
D. Chen | Solar Energy Materials & Solar Cells 68 (2001) 313-336 — Fig. 1. The representation of a layer exhibiting linear inhomogeneity and small refractive index steps at layer boundaries. D. Chen | Solar Energy Materials & Solar Cells 68 (2001) 313-336

Fig. 3. The reflectance of some ideal inhomogeneous layers with one halfwave thick at 510 nm. The index
varies from 1.2 at outer boundary to 1.52 of substrate index, following simple linear, exponential and
quadratic function.
Fig. 2. The variation of residual reflectance is plotted as a function of the final outer index of the
inhomogeneous layer. The incident medium, air, has an index of unity. — Fig. 3. The reflectance of some ideal inhomogeneous layers with one halfwave thick at 510 nm. The index varies from 1.2 at outer boundary to 1.52 of substrate index, following simple linear, exponential and quadratic function. Fig. 2. The variation of residual reflectance is plotted as a function of the final outer index of the inhomogeneous layer. The incident medium, air, has an index of unity.

Fig. 4. The mean reflectance of a inhomogeneous layer with exponential profile positioned to different viewing angles. D. Chen | Solar Energy Materials & Solar Cells 68 (2001) 313-336

Fig. 5. The reflection from a coating stack is the resultant vector summation of the reflection from each
interface in the system. This is an example of a four-layer coating stack.
D. Chen | Solar Energy Materials & Solar Cells 68 (2001) 313-336 — Fig. 5. The reflection from a coating stack is the resultant vector summation of the reflection from each interface in the system. This is an example of a four-layer coating stack. D. Chen | Solar Energy Materials & Solar Cells 68 (2001) 313-336

Fig. 6. The mean reflectance curve of a four-layer AR stack, calculated with a SiO,-Ta2O; index pair. The
AR stack was calculated from normal to 30° tilt. — Fig. 6. The mean reflectance curve of a four-layer AR stack, calculated with a SiO,-Ta2O; index pair. The AR stack was calculated from normal to 30° tilt.

Fig. 7. Schematics of flow geometry for meniscus coating process [11].
D. Chen / Solar Energy Materials & Solar Cells 68 (2001) 313-336 — Fig. 7. Schematics of flow geometry for meniscus coating process [11]. D. Chen / Solar Energy Materials & Solar Cells 68 (2001) 313-336

Fig. 8. Optical performance of different sol-gel-derived multilayer AR coatings on glass substrate.

Fig. 9. Optical property of different single-layer AR coatings.
D. Chen | Solar Energy Materials & Solar Cells 68 (2001) 313-336 — Fig. 9. Optical property of different single-layer AR coatings. D. Chen | Solar Energy Materials & Solar Cells 68 (2001) 313-336

Fig. 10. The optical reflection characteristics of a two-layer AR coating on Si solar cell [34].
D. Chen | Solar Energy Materials & Solar Cells 68 (2001) 313-336 — Fig. 10. The optical reflection characteristics of a two-layer AR coating on Si solar cell [34]. D. Chen | Solar Energy Materials & Solar Cells 68 (2001) 313-336

Fig. 11. Optical property of sol-gel-derived AR coating on plastic substrate.
D. Chen | Solar Energy Materials & Solar Cells 68 (2001) 313-336
1.22, with a thickness optimized to the wavelength of 600 nm for this AR application,
as shown in Fig. 11 curve (b). — Fig. 11. Optical property of sol-gel-derived AR coating on plastic substrate. D. Chen | Solar Energy Materials & Solar Cells 68 (2001) 313-336 1.22, with a thickness optimized to the wavelength of 600 nm for this AR application, as shown in Fig. 11 curve (b).

Fig. 12. Optical performance of sol-gel-derived multi-layer AR coating on plastic substrate.

Characteristics of different sol-gel derived AR coatings

Mechanical property of sol-gel-derived AR-coatings and other commercial AR-coated products

Fig. 13. Comparison of optical performance between sol-gel-derived AR coatings to vacuum-based AR
coatings. IAD: ion-assisted deposition; Sput.: sputtering; PC: polycarbonate; PMMA: polymethylmethac-
rylate.
D. Chen | Solar Energy Materials & Solar Cells 68 (2001) 313-336 — Fig. 13. Comparison of optical performance between sol-gel-derived AR coatings to vacuum-based AR coatings. IAD: ion-assisted deposition; Sput.: sputtering; PC: polycarbonate; PMMA: polymethylmethac- rylate. D. Chen | Solar Energy Materials & Solar Cells 68 (2001) 313-336