K. Niranjan
National Aerospace Laboratories
9 Papers
1 Citations
K. Niranjan is an academic researcher from National Aerospace Laboratories. The author has contributed to research in topics: Coating & Sputter deposition. The author has an hindex of 4, co-authored 9 publications. Previous affiliations of K. Niranjan include Academy of Scientific and Innovative Research & National Institute of Technology Calicut.
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Papers
Tantalum carbide based spectrally selective coatings for solar thermal absorber applications
TL;DR: Tantalum carbide (TaC) based tandem coatings for selective absorption of solar radiation were fabricated by magnetron sputtering technique in this article, where the composition and thicknesses of the individual component layers have been optimized by adjusting the sputtering process parameters.
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Extremely high temperature stable nanometric scale multilayer spectrally selective absorber coating: Emissivity measurements at elevated temperatures and a comprehensive study on ageing mechanism
K. Niranjan,K. Niranjan,Audrey Soum-Glaude,Alex Carling-Plaza,Sandip Bysakh,Siju John,Harish C. Barshilia +6 more
TL;DR: In this article, W/WAlSiN/SiON/SiO2 solar absorber coatings were sputter-deposited on stainless steel and silicon substrates and spectral emissivity measurements at various operating temperatures and with varying emergence angles were investigated.
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Role of defects in one-step synthesis of Cu-doped ZnO nano-coatings by electrodeposition method with enhanced magnetic and electrical properties
K. Niranjan,K. Niranjan,Subhajit Dutta,Subhajit Dutta,Soney Varghese,Ajoy K Ray,Harish C. Barshilia +6 more
TL;DR: In this article, the growth of flower-like ferromagnetic Cu-doped ZnO (CZO) nanostructures using electrochemical deposition on FTO-coated glass substrates was reported.
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Optimization of W/WAlSiN/SiON/SiO2 tandem absorber consisting of double layer anti-reflection coating with broadband absorption in the solar spectrum region
TL;DR: In this article, a novel spectrally selective tandem stack of W/WAlSiN/SiON/SiO2 was deposited on stainless steel 304 and silicon substrates using a four-cathode reactive unbalanced magnetron sputtering system.
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Performance evaluation and durability studies of W/WAlSiN/SiON/SiO2 based spectrally selective solar absorber coating for high-temperature applications: A comprehensive study on thermal and solar accelerated ageing
K. Niranjan,K. Niranjan,Alex Carling Plaza,Théo Grifo,Martin Bordas,Audrey Soum-Glaude,Harish C. Barshilia,Harish C. Barshilia +7 more
TL;DR: In this article, a solar selective coating of W/WAlSiN/SiON/SiO2 fabricated using a four-Cathode Reactive Unbalanced Direct Current (DC) magnetron sputtering system with high thermal stability, good durability and resistance to outdoor testing conditions is reported.
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