TY - GEN
T1 - Observation of extraordinary transmission in deep UV region from aluminum film coated two dimensional photonic crystals
AU - Venkatesh, A.
AU - Piragash Kumar, R. M.
AU - Moorthy, V. H.S.
N1 - Funding Information:
The authors would like to thank Department of Science and Technology (DST) and Department of Biotechnology (DBT), India for supporting the research work through the project DST/TM/SERI/2k10/63(G) and BT\ PR12874\NNT\28\452\2009 respectively. Authors would also like to thank Manipal Academy of Higher Education (MAHE, India) for providing the financial assistance in carrying out the research work.
Publisher Copyright:
© 2018 Author(s).
PY - 2018/5/15
Y1 - 2018/5/15
N2 - We report the first observation of extraordinary transmission of deep-UV light (λ = 289nm) through 20nm aluminum film coated two-dimensional photonic crystals. The two-dimensional photonic crystals are made of self-assembled hexagonally arranged monolayer of 200 nm polystyrene spheres fabricated using drop casting method. The high quality photonic crystal exhibits a well-defined photonic band gap of 4.59 eV (λ = 270nm) and the aluminum coated two-dimensional photonic crystal displays extraordinary transmission in the deep-UV region at λ = 289 nm. The fabricated aluminum nanostructure produces a sensitivity of 42nm/RIU and 57nm/RIU when the refractive index of the surrounding medium is changed from 1 (= air) to 1.36 (= ethanol) and 1.49 (=toluene), respectively. Therefore, the aluminum film coated two-dimensional photonic crystals could be utilized to fabricate cost-effective and ultrasensitive chemical sensors.
AB - We report the first observation of extraordinary transmission of deep-UV light (λ = 289nm) through 20nm aluminum film coated two-dimensional photonic crystals. The two-dimensional photonic crystals are made of self-assembled hexagonally arranged monolayer of 200 nm polystyrene spheres fabricated using drop casting method. The high quality photonic crystal exhibits a well-defined photonic band gap of 4.59 eV (λ = 270nm) and the aluminum coated two-dimensional photonic crystal displays extraordinary transmission in the deep-UV region at λ = 289 nm. The fabricated aluminum nanostructure produces a sensitivity of 42nm/RIU and 57nm/RIU when the refractive index of the surrounding medium is changed from 1 (= air) to 1.36 (= ethanol) and 1.49 (=toluene), respectively. Therefore, the aluminum film coated two-dimensional photonic crystals could be utilized to fabricate cost-effective and ultrasensitive chemical sensors.
UR - https://www.scopus.com/pages/publications/85047831470
UR - https://www.scopus.com/pages/publications/85047831470#tab=citedBy
U2 - 10.1063/1.5038695
DO - 10.1063/1.5038695
M3 - Conference contribution
AN - SCOPUS:85047831470
T3 - AIP Conference Proceedings
BT - International Conference on Inventive Research in Material Science and Technology, ICIRMCT 2018
A2 - Sahulhameedu, Smys
A2 - Shakya, Subarna
A2 - Chen, Joy
PB - American Institute of Physics Inc.
T2 - International Conference on Inventive Research in Material Science and Technology, ICIRMCT 2018
Y2 - 23 March 2018 through 24 March 2018
ER -