Search Results - "Results in optics"

Dispensability of the conventional Tauc’s plot for accurate bandgap determination from UV–vis optical diffuse reflectance data by Jubu, Peverga R., Obaseki, O.S., Nathan-Abutu, A., Yam, F.K., Yusof, Yushamdan, Ochang, M.B.

“…•Dispensability of the conventional Tauc’s plot is described in the present report.•Two other relatively simple methods for optical bandgap estimation are…”
Get full text

Numerical simulation and optimization of n-Al-ZnO/n-CdS/p-CZTSe/p-NiO (HTL)/Mo solar cell system using SCAPS-1D by Ait Abdelkadir, Abdelaziz, Oublal, Essaadia, Sahal, Mustapha, Gibaud, Alain

“…•A new simulation of a solar cell based on CZTSe thin film without and with NiO HTL gave optimal efficiencies of 22.42% and 32.98% respectively.•Effect of…”
Get full text

(INVITED)Nanocoated fiber label-free biosensing for perfluorooctanoic acid detection by lossy mode resonance by Moro, Giulia, Chiavaioli, Francesco, Liberi, Stefano, Zubiate, Pablo, Del Villar, Ignacio, Angelini, Alessandro, De Wael, Karolien, Baldini, Francesco, Moretto, Ligia Maria, Giannetti, Ambra

“…•Small target analyte detection with nano-film coated D-shaped fiber.•Perfluorooctanoic acid detection via lossy mode resonance phenomenon.•Label-free optical…”
Get full text

Recent advancements in fiber Bragg gratings based temperature and strain measurement by Bhaskar, Chaluvadi V Naga, Pal, Subhradeep, Pattnaik, Prasant Kumar

“…Fiber Bragg Gratings or FBGs have achieved significant attention towards sensing and communication applications due to their outstanding advantages. Due to its…”
Get full text

Numerical simulation and optimization of lead free CH3NH3SnI3 perovskite solar cell with CuSbS2 as HTL using SCAPS 1D by Valeti, Naga Jyothi, Prakash, Krishna, Singha, Monoj Kumar

“…•Optimization of thickness and defects in lead free perovskite absorber material, CH3NH3SnI3.•Comparison of four different HTLs, viz., CuSbS2, Spiro-OMeTAD,…”
Get full text

Integrated optical bimodal waveguide biosensors: Principles and applications by Torrijos-Morán, Luis, Lisboa, Bárbara D., Soler, Maria, Lechuga, Laura M., García-Rupérez, Jaime

“…Integrated optical biosensors have become one of the most compelling technologies for the achievement of highly sensitive, multianalyte, portable and easy to…”
Get full text

Optical, structural properties and photocatalytic potential of Nd-ZnO nanoparticles synthesized by hydrothermal method by Lal, Manmohan, Sharma, Praveen, Ram, Chhotu

“…The structural, optical, and photocatalytic properties of hydrothermally produced ZnO and Nd-ZnO nanostructures were studied. Doped and un-doped nanomaterials…”
Get full text

Rare earth (Dy3+-ion) induced near white light emission in sodium-zinc-borate glasses by Hemalatha, S., Nagaraja, M., Madhu, A., Srinatha, N.

“…•Series of 0.1 to 2 mol % Dy doped sodium zinc borate glasses were prepared by melt quenching method.•DSC profiles exhbits two and one glass transition…”
Get full text

The Shockley–Queisser limit and the conversion efficiency of silicon-based solar cells by Zanatta, A.R.

“…According to some estimates, every hour, Sun provides planet Earth with more energy than humankind consumes in a whole year. Part of this energy has been…”
Get full text

(INVITED)Chemical sensors based on long period fiber gratings: A review by Esposito, Flavio

“…Fiber optic devices are being increasingly employed in the fields of chemical and environmental sensing due to their important features, such as high accuracy,…”
Get full text

1-Dimensional silicon photonic crystal pressure sensor for the measurement of low pressure by Gowda, Ranjith B., Sharan, Preeta, Saara, K.

“…In this article we proposed a one-dimensional (1D) silicon photonic-crystal (PC) as a highly sensitive pressure sensor to measure the applied hydrostatic…”
Get full text

Efficient all lead-free perovskite solar cell simulation of FASnI3/FAGeCl3 with 30% efficiency: SCAPS-1D investigation by El Arfaoui, Youssef, Khenfouch, Mohammed, Habiballah, Nabil

“…Hybrid organic–inorganic perovskite solar cells (PSCs) currently receives extensive amounts of focus as one of e main study areas in photovoltaic technology,…”
Get full text

An Improved Optical Biosensor design using defect/metal multilayer photonic crystal for Malaria Diagnosis by Ankita, Bissa, Shivangi, Suthar, Bhuvneshwer, Nayak, Chittaranjan, Bhargava, Anami

“…•Introduction of metal layer with defect layer to improve sensitivity of optical biosensor.•Effect of thickness of metal layer has been investigated for sensor…”
Get full text

Studies of surface plasmon resonance effect on different metallic layers of silver (Ag) and copper (Cu) with molybdenum trioxide (MoO3) for formaldehyde sensor by Zakaria, R., Mahbub, M., Lim, C.S.

“…This paper reports the implementation of surface plasmon resonance in optical fiber sensor for formaldehyde detection. The studies involve comparison effects…”
Get full text

Effect of alkali metal ions A+ (A = K+, Na+ and Li+) on the photoluminescence properties of Sr3Bi(PO4)3:Sm3+ phosphors prepared by wet chemical synthesis by Nandanwar, C.M., Yerpude, A.N., Kokode, N.S., Dhoble, S.J.

“…Wet chemical synthesis was used for a series of Sr3Bi(PO4)3:xSm3+ phosphors. The alkali metal ions A+(A = K+, Na+ and Li+) were co-doped in Sr3Bi(PO4)3:Sm3+ to…”
Get full text

(INVITED)Oil and Gas Pipeline Leakage Recognition Based on Distributed Vibration and Temperature Information Fusion by Wang, Feng, Liu, Zhen, Zhou, Xiao, Li, Shiyi, Yuan, Xinyu, Zhang, Yixin, Shao, Liyang, Zhang, Xuping

“…It has great significance to monitor the oil and gas pipeline leakage to reduce economic loss and environmental pollution. In this paper, we propose a method…”
Get full text

Design of an eco-friendly perovskite Au/NiO/FASnI3/ZnO0.25S0.75/FTO, device structure for solar cell applications using SCAPS-1D by Mattaparthi, Srinivas, Sinha, Dipesh K., Bhura, Aditya, Khosla, Robin

“…Formamidinium Tin Iodide (FASnI3) based perovskite solar cells (PSC) have captured the interest of scientific community because of wide bandgap and good…”
Get full text

3D printing and solar cell fabrication methods: A review of challenges, opportunities, and future prospects by Hunde, Bonsa Regassa, Woldeyohannes, Abraham Debebe

“…In the solar cell industry, three-dimensional (3D) printing technology is currently being tested in an effort to address the various problems related to the…”
Get full text

Comment about the use of unconventional Tauc plots for bandgap energy determination of semiconductors using UV–Vis spectroscopy by Jubu, Peverga R., Danladi, E., Ndeze, U.I., Adedokun, O., Landi, S., Haider, A.J., Adepoju, A.T., Yusof, Y., Obaseki, O.S., Yam, F.K.

“…•UV–Vis data of direct bandgap ZnO and β-Ga2O3 films were used for the study.•Tauc plot was used to check accuracy of the unusual methods for bandgap…”
Get full text

Numerical investigation of lead free Cs2TiBr6 based perovskite solar cell with optimal selection of electron and hole transport layer through SCAPS-1D simulation by Karmaker, Hironmoy, Siddique, Ayesha, Das, Barun K.

“…Halide-based perovskite has several advantages, including high efficiency, ease of manufacture, and low cost. In general, hazardous lead (Pb) is used in…”
Get full text