Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Roshan Thotagamuge"'
Autor:
Yashas Balasooriya, Pubudu Samarasekara, Chee Ming Lim, Yuan-Fong Chou Chau, Muhammad Raziq Rahimi Kooh, Roshan Thotagamuge
Publikováno v:
Heliyon, Vol 9, Iss 5, Pp e15989- (2023)
Novel Cu-nitrogen doped graphene nanocomposite catalysts are developed to investigate the Cu-nitrogen doped fuel cell cathode catalyst. Density functional theory calculations are performed using Gaussian 09w software to study the oxygen reduction rea
Externí odkaz:
https://doaj.org/article/d0387b5802834aa9a99b101d7ec54101
Autor:
Pramesh Gunawardhana, Yashas Balasooriya, Murthi S. Kandanapitiye, Yuan-Fong Chou Chau, Muhammad Raziq Rahimi Kooh, Roshan Thotagamuge
Publikováno v:
Applied Sciences, Vol 14, Iss 1, p 188 (2023)
This study employs density functional theory (DFT) to evaluate the optoelectronic features of five natural dyes (cyanidin, delphinidin, pelargonidin, peonidin, and petunidin) in gas and ethanol phases for potential dye-sensitized solar cell (DSSC) ap
Externí odkaz:
https://doaj.org/article/3709914701684b0aa6f75db9172d7df6
Autor:
Yashas Balasooriya, Pubudu Samarasekara, Chee Ming Lim, Yuan-Fong Chou Chau, Muhammad Raziq Rahimi Kooh, Roshan Thotagamuge
Publikováno v:
Molecules, Vol 28, Iss 23, p 7873 (2023)
In this study, density functional theory (DFT) was used to investigate the influence of temperature on the performance of a novel Cu-nitrogen-doped graphene Cu2-N8/Gr nanocomposite as a catalyst for the oxygen reduction reaction (ORR) in fuel cell ap
Externí odkaz:
https://doaj.org/article/a0ae804492784988a44ef6663119fa28
Autor:
Mohammad Ammar Syaahiran, Abdul Hanif Mahadi, Chee Ming Lim, Muhammad Raziq Rahimi Kooh, Yuan-Fong Chou Chau, Hai-Pang Chiang, Roshan Thotagamuge
Publikováno v:
ACS Omega, Vol 7, Iss 1, Pp 528-539 (2021)
Externí odkaz:
https://doaj.org/article/6dcfb4868c2948219f7ba1ebe9b717d4
Autor:
Yuan-Fong Chou Chau, Tan Yu Ming, Chung-Ting Chou Chao, Roshan Thotagamuge, Muhammad Raziq Rahimi Kooh, Hung Ji Huang, Chee Ming Lim, Hai-Pang Chiang
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-17 (2021)
Abstract Herein, we design a high sensitivity with a multi-mode plasmonic sensor based on the square ring-shaped resonators containing silver nanorods together with a metal–insulator-metal bus waveguide. The finite element method can analyze the st
Externí odkaz:
https://doaj.org/article/d2de1109bf524647bdfc576130e0aaa8
Autor:
Chung-Ting Chou Chao, Sy-Hann Chen, Hung Ji Huang, Muhammad Raziq Rahimi Kooh, Chee Ming Lim, Roshan Thotagamuge, Abdul Hanif Mahadi, Yuan-Fong Chou Chau
Publikováno v:
Crystals, Vol 13, Iss 5, p 813 (2023)
This article describes a photonic crystal fiber (PCF) temperature sensor that utilizes a flat, metal-coated trapezoidal surface. The PCF is made up of two layers of elliptical air holes and a polished trapezoidal surface that allows temperature sensi
Externí odkaz:
https://doaj.org/article/36bfceb949734aea94d40fedb5490b73
Autor:
Chung-Ting Chou Chao, Muhammad Raziq Rahimi Kooh, Chee Ming Lim, Roshan Thotagamuge, Abdul Hanif Mahadi, Yuan-Fong Chou Chau
Publikováno v:
Micromachines, Vol 14, Iss 2, p 340 (2023)
Multiple resonance modes in an optical absorber are necessary for nanophotonic devices and encounter a challenge in the visible range. This article designs a multiple-channel plasmonic metamaterial absorber (PMA) that comprises a hexagonal arrangemen
Externí odkaz:
https://doaj.org/article/5269711d3d3b4066892b5bc03b7e4e22
Autor:
Nabilah Suhaimi, Muhammad Raziq Rahimi Kooh, Chee Ming Lim, Chung-Ting Chou Chao, Yuan-Fong Chou Chau, Abdul Hanif Mahadi, Hai-Pang Chiang, Nurul Hazimah Haji Hassan, Roshan Thotagamuge
Publikováno v:
Adsorption Science & Technology, Vol 2022 (2022)
In this study, locally grown bamboo (Gigantochloa spp.) was used as feedstock for pyrolysis production of biochar under various pyrolysis temperatures (400–800°C). The resultant biochars were tested for their performance in adsorptive removal of t
Externí odkaz:
https://doaj.org/article/0258b490d8424c9a9b674ddb41c3ecba
Publikováno v:
Photonics, Vol 9, Iss 12, p 916 (2022)
This paper proposes and analyzes a simple surface plasmon resonance (SPR)-based elliptical air hole photonic crystal fiber (PCF) sensor. The fiber structure comprises an analyte channel of the fiber surface coated with a gold layer on the flat surfac
Externí odkaz:
https://doaj.org/article/e459b6fb6a6440948a08fabf0c1085e4
Autor:
Chung-Ting Chou Chao, Yuan-Fong Chou Chau, Sy-Hann Chen, Hung Ji Huang, Chee Ming Lim, Muhammad Raziq Rahimi Kooh, Roshan Thotagamuge, Hai-Pang Chiang
Publikováno v:
Nanomaterials, Vol 11, Iss 11, p 3147 (2021)
This study proposes a compact plasmonic metal-insulator-metal pressure sensor comprising a bus waveguide and a resonator, including one horizontal slot and several stubs. We calculate the transmittance spectrum and the electromagnetic field distribut
Externí odkaz:
https://doaj.org/article/88a1d189eb3c45a1832b0957ea44fb05