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Harsimran Bindra      
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Harsimran Bindra published an article in December 2018.
Top co-authors
Ranu Nayak

6 shared publications

Amity Institute of Nanotechnology, Amity Institute of Nano Technology, Noida, 201303, INDIA

Tushar Kumeria

2 shared publications

School of Pharmacy, The University of Queensland, Queensland 4102, Australia

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Article 0 Reads 0 Citations Rapid Processing of Wafer-Scale Anti-Reflecting 3D Hierarchical Structures on Silicon and Its Templation Harsimran Singh Bindra, JaiKrishna R., Tushar Kumeria, Ranu ... Published: 18 December 2018
Materials, doi: 10.3390/ma11122586
DOI See at publisher website ABS Show/hide abstract
Hierarchically structured silicon (Si) surfaces with a combination of micro/nano-structures are highly explored for their unique surface and optical properties. In this context, we propose a rapid and facile electroless method to realize hierarchical structures on an entire Si wafer of 3″ diameter. The overall process takes only 65 s to complete, unlike any conventional wet chemical approach that often combines a wet anisotropic etching of (100) Si followed by a metal nanoparticle catalyst etching. Hierarchical surface texturing on Si demonstrates a broadband highly reduced reflectance with average R% ~ 2.7% within 300–1400 nm wavelength. The as-fabricated hierarchical structured Si was also templated on a thin transparent layer of Polydimethylsiloxane (PDMS) that further demonstrated prospects for improved solar encapsulation with high optical clarity and low reflectance (90% and 2.8%).