Long Wavelength Plasmonic Absorption Enhancement in Silicon Using Optical Lithography Compatible Core-Shell-Type Nanowires by Mohammed Shahriar Sabuktagin, Khairus Syifa Hamdan, Khaulah Sulaiman, Rozalina Zakaria, Harith Ahmad

“…However this absorption was significantly smaller than the Ohmic loss in the silver shell due to very low near-bandgap absorption properties of silicon. Prospect of improving enhanced absorption in silicon to Ohmic loss ratio by utilizing dual capability of these nanowires in boosting impurity photovoltaic effect and efficient extraction of the photogenerated carriers was discussed. …”
Get full text

Synthesis, Hirshfeld Surfaces and Characterization of Diethanolaminium 3,5-dinitrosalicylate single crystal for NLO application by B Shanmuga Priya, D. Rajan Babu

“…The optical studies suggest that the obtained crystal shows low absorption in the 450––750 nm region with 2.55 eV corresponding to direct bandgap. The crystal’s refractive index is calculated as 1.693. …”
Get full text

Gamma-Induced Transformations in PVC-Based Nanocomposites for Tailored Optical Properties by Badriah Alshahrani, Ahmed Hassan Korna, Soad Saad Fares, Ahmed H. Ali

“…This improvement is attributed to a reduction in the bandgap and increased light absorption induced by irradiation. …”
Get full text

Investigation into the stability of chemical doping and the structure of carbon nanotube by Daichi Suzuki, Nao Terasaki, Yoshiyuki Nonoguchi

“…This is because CNTs with small diameters have a wide bandgap and a high energy level of the conduction band, and chemical dopants with a stronger electron-donating ability are required to obtain stable n-type CNTs. …”
Get full text

Vanadium Pentoxide Nanoparticles Doped ZnO: Physicochemical, Optical, Dielectric, and Photocatalytic Properties by Imen Massoudi, Ridha Hamdi, Amani Rached, Zainah A. AlDhawi, Fatimah M. Alobaidan, Hawra M. Alhamdan, Ghadeer A. Almohammed Ali, Fatimah E. Almuslim, Amor Ben Ali

“…A diffuse reflectance spectroscopic approach is described to determine the bandgap energy (Eg) of the samples. The dielectric and photocatalytic characteristics are also examined. …”
Get full text

Growth of GaN@InGaN Core-Shell and Au-GaN Hybrid Nanostructures for Energy Applications by Tevye Kuykendall, Shaul Aloni, Ilan Jen-La Plante, Taleb Mokari

“…We demonstrated a method to control the bandgap energy of GaN nanowires by forming GaN@InGaN core-shell hybrid structures using metal organic chemical vapor deposition (MOCVD). …”
Get full text

Theoretical Study of One-Intermediate Band Quantum Dot Solar Cell by Abou El-Maaty Aly, Ashraf Nasr

“…Because the smaller energy photons than the bandgap energy can be used to promote charge carriers transfer to the conduction band and thereby the total output current increases while maintaining a large open circuit voltage. …”
Get full text

500 V breakdown voltage in β‐Ga2O3 laterally diffused metal‐oxide‐semiconductor field‐effect transistor with 108 MW/cm2 power figure of merit by Nesa Abedi Rik, Ali. A. Orouji, Dariush Madadi

“…Abstract The authors’ present a silicon‐on‐insulator (SOI) laterally diffused metal‐oxide‐semiconductor field‐effect transistor (LDMOSFET) with β‐Ga2O3 , which is a large bandgap semiconductor (β‐LDMOSFET), for increasing breakdown voltage (VBR) and power figure of merit. …”
Get full text

The Influence of Oxygen Substitution on the Optoelectronic Properties of ZnTe by Imad Khan, Sajid Khan, Javid Iqbal, H. A. Rahnamaye Aliabad, Zahid Ali, Iftikhar Ahmad

“…We also calculate the bandgap bowing parameter from our accurate bandgaps and resolve the existing controversy in this parameter.…”
Get full text

A Novel Elastic Metamaterial with Multiple Resonators for Vibration Suppression by Saman Ahmadi Nooraldinvand, Hamid M. Sedighi, Amin Yaghootian

“…In this paper, two models of elastic metamaterial containing one and two resonators are proposed to obtain the bandgaps with the aim of providing broadband vibration suppression. …”
Get full text

Theoretical investigation of carbon monoxide oxidation on two-dimensional aluminum carbide by Fatemeh Mamusi, Zahra Zarifnia, Davood Farmanzadeh

“…Density of States (DOS) analysis highlighted that doping alters the electronic properties, with boron reducing the bandgap and nitrogen inducing localized states near the Fermi level. …”
Get full text

Effect of Multijunction Approach on Electrical Measurements of Silicon and Germanium Alloy Based Thin-Film Solar Cell Using AMPS-1D by Somenath Chatterjee, Sumeet Singh, Himangshu Pal

“…The top layer has the largest band gap, while the bottom layer has the smallest bandgap. This design allows less energetic photons to pass through the upper layer(s) and be absorbed by the layer below, which increases the overall efficiency of the solar cell. …”
Get full text

Four-terminal perovskite tandem solar cells by Muhammad Rafiq, Hengyue Li, Junliang Yang

“…Further, it also emphasizes the advancement of semitransparent wide-bandgap PSCs for TSC applications, tackling important issues and outlining potential future directions for optimizing 4T tandem design performance.…”
Get full text

In Situ Measurement of Local Hydrogen Production Rate by Bubble-Evolved Recording by Xiaowei Hu, Liejin Guo, Yechun Wang

“…Hydrogen visibly bubbles during photocatalytic water splitting under illumination with above-bandgap radiation, which provides a direct measurement of local gas-evolving reaction rate. …”
Get full text

Different behavior of Nano sheet and Bulk of the hexagonal boron nitride with first principal calculation approach by Abbas FarhadiKoutenaei, Marwa Ali Mahdi, Ali Bahari, Ali Al-Jelif

“…Considering the existence of the low band gap energy between the bottom of the conduction band and the maximum of the valence band, (although the size of the bandgap decreases with the increase in the number of layers), it can be concluded that the samples are semiconductors.Since there is a relationship between refractive index, magnetic permeability, and electrical permeability (magnetic parameters are not discussed in the present work), dielectric function, reflection coefficient, absorption coefficient, and refractive index are also investigated. …”
Get full text

Characterization of Layer Number of Two-Dimensional Transition Metal Diselenide Semiconducting Devices Using Si-Peak Analysis by Xian Zhang

“…Atomically thin materials such as semiconducting transition metal diselenide materials, like molybdenum diselenide (MoSe2) and tungsten diselenide (WSe2), have received intensive interests in recent years due to their unique electronic structure, bandgap engineering, ambipolar behavior, and optical properties and have motivated investigations for the next-generation semiconducting electronic devices. …”
Get full text

Polyaniline Supported Ag-Doped ZnO Nanocomposite: Synthesis, Characterization, and Kinetics Study for Photocatalytic Degradation of Malachite Green by Fikradis Habtamu, Sintayehu Berhanu, Teshome Mender

“…XRD, UV-Vis, and FT-IR spectroscopy were employed to study the crystal size, bandgap energy, and bond structure of as-synthesized nanocomposites. …”
Get full text

First-principles investigation of Ra doping effects on structural, electronic, and optical properties of BaTiO3 perovskite for solar cell applications by Sonia Chahar, Krishna Kumar Mishra, Rajnish Sharma

“…Using the generalized gradient approximation (GGA) based on the Perdew–Burke–Ernzerhof (PBE) approach, the bandgap energies of pure BaTiO _3 (indirect band 1.61691 eV) and RaTiO _3 (direct band 1.63612 eV) were determined. …”
Get full text

AgGaS₂ and Derivatives: Design, Synthesis, and Optical Properties by Guansheng Xing, Bing Chen

“…Silver gallium sulfide (AgGaS₂) is a ternary A^(I)B^(III)X^(VI)₂-type semiconductor featuring a direct bandgap and high chemical stability. Structurally resembling diamond, AgGaS₂ has gained considerable attention as a highly promising material for nonlinear optical applications such as second harmonic generation and optical parametric oscillation. …”
Get full text

Synthesis and Characterization of Zinc Sulfide-Aluminium -Platinum Nanocomposites Produced by Coprecipitation Method by A. Durgadevi, K. Dhayalini, M. Ravichandran

“…The optical properties were assessed through UV spectroscopy, which showed that the ZnS nanocomposites displayed a prominent absorption peak in the 295-300 nm range, with the highest absorption at 299 nm, and a bandgap energy of 3.75 eV. This indicates a notable blue shift compared to the spectrum of bulk ZnS. …”
Get full text