The role of nanoscale etched Si surface in ZnO growth by continuous spray pyrolysis

Dhasmana, Hrishikesh; Dutta, Viresh

doi:10.1007/s10854-014-2438-5

Cited by 2 publications

(1 citation statement)

References 35 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…When compared with other technologies used to fabricate antireflective coatings on Si substrates, we obtained similar values of reflectance than those obtained using porous black silicon 27 at wavelengths below 400 nm and above 600 nm, but again with the advantage of having a constant value of reflectance over the whole spectral range analysed in our case. The improvement of the antireflective properties of the coatings we developed is also evident when comparing their performance and that of textured Si substrates with pyramidal hillocks 28 , especially in the range of wavelengths below 500 nm. Finally, by comparing our results with those based on interference-type antireflective coatings 29 , we obtained an improved reflectance for wavelengths shorter than 400 nm.…”

Section: Results and Discusionmentioning

confidence: 75%

Investigation of antireflective and hydrophobic properties in polycrystalline GaN films with dual porosity produced by CVD

Mena

Carvajal

Bilousov

et al. 2019

Sci Rep

View full text Add to dashboard Cite

We optimized the deposition conditions of polycrystalline nanoporousGaN coatings produced by Chemical Vapor Deposition on Si substrates, by exploring the effect produced by the Ga holder shape, the initial amount of Ga, the reaction deposition time and the metallic catalyst used. Such polycrystalline films probed to act as antireflective coatings by reducing the reflectance of Si substrates by 50% or more, and that of flat GaN samples by 40% in the UV and 83% in the visible, at the same time that they exhibit an almost constant reflectance from 400 to 800 nm, important to develop UV sensors with enhanced sensitivity. Furthermore, the polycrystalline nanoporous coatings we developed exhibit hydrophobic behaviour, with a static contact angle of 119°, and a contact angle hysteresis of 4.5°, which might contribute to enlarge the durability of such functional films, by the self cleaning effect induced.

show abstract

Section: Results and Discusionmentioning

confidence: 75%