Methylammonium-free, high-efficiency, and stable all-perovskite tandem solar cells enabled by multifunctional rubidium acetate by Xufeng Liao, Xuefei Jia, Weisheng Li, Xiting Lang, Jianhua Zhang, Xinyu Zhao, Yitong Ji, Qingguo Du, Chun-Hsiao Kuan, Zhiwei Ren, Wenchao Huang, Yang Bai, Kaicheng Zhang, Chuanxiao Xiao, Qianqian Lin, Yi-Bing Cheng, Jinhui Tong

“…When further integrated with a 1.79-electron volt MA-free wide-bandgap PSC, a 29.33% (certified 28.11%) efficient MA-free APTSCs with a high Voc of 2.22 volts is achieved.…”
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First Principle Study of Structural, Electronic, Optical, and Thermodynamic Properties of Scandium-Doped Zirconia Zr1−xScxO2,x=0.125 by Lemessa Asefa Eressa, Zeleke Deressa Gerbi

“…The results of electronic property calculation show that the incorporation of scandium (Sc3+) in ZrO2 has reduced its bandgap due to the formation of scandium 3d states in the conduction band. …”
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Parametric study of quarter-wave resonators for sound-proofing building structures by Idrissi Majid, Lemkalli Brahim, Mir Abdellah, Bouzid Abdenbi, Achaoui Younes

“…The optimization process yielded significant results, achieving an attenuation of approximately -87 dB with a bandgap width of 82%, surpassing the -72.55 dB attenuation provided by the mass law of the brick alone. …”
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Miniaturized Wide Scanning Angle Phased Array Using EBG Structure for 5G Applications by Xiumei Shen, Kun Xue, Xinggang Tang, Yuqi He

“…A subarray of two closely packed patch antennas on electromagnetic bandgap structure (EBG) ground with the operating bandwidth of 26–29 GHz is used as the basic module of the linear array, which contains four equally spaced subarrays. …”
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Influence of Excitation Frequency on Raman Modes of Thin Films by A. Dixit, J. S. Thakur, V. M. Naik, R. Naik

“…For those alloys whose bandgap energy is close to the red laser, a huge enhancement in the intensities of A1(LO) mode and its 2A1(LO) replica is observed when excited with red laser as compared to the green laser excitation. …”
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Optimization of Photonic Nanocrystals for Invisibility Using Artificial Intelligence by Z. Dorrani

“…These structures facilitate directing electromagnetic waves in specific directions and making objects invisible by creating a bandgap. Photonic crystals, as microscopic structures with unique optical properties, are used in the design of invisibility systems. …”
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Synthesis, Microstructure, Photocatalytic and Antibacterial Properties of ZnO-ZrO2 Nanocomposite by Jingjun YUAN, Xin YAO

“…The optical studies showed a sharp absorption at about 400 nm and the Tauc plot evaluated the bandgap of 3.15 eV. The photodegradation performance of Methylene Blue (MB) dye was obtained for ZnO-ZrO2 NC using visible light irradiation and showed 96.89 % efficiency. …”
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Surface Modifications of Layered Perovskite Oxysulfide Photocatalyst Y2Ti2O5S2 to Enhance Visible‐Light‐Driven Water Splitting by Xizhuang Liang, Junie Jhon M. Vequizo, Lihua Lin, Xiaoping Tao, Qiulian Zhu, Mamiko Nakabayashi, Daling Lu, Hiroaki Yoshida, Akira Yamakata, Takashi Hisatomi, Tsuyoshi Takata, Kazunari Domen

“…This work provides insights into precise surface modifications of narrow‐bandgap photocatalysts as a means of improving the solar water splitting process.…”
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Rethinking CIGS solar cells for rear illumination applications by Léo Choubrac, Fabien Pineau, Eugène Bertin, Ludovic Arzel, Nicolas Barreau

“…This study introduces a chalcogenide-based thin-film solar cell structure optimized for rear illumination, featuring a thinner, wide-bandgap Cu(In,Ga)S _2 chalcopyrite absorber. Matching the performance of traditional front-illuminated designs, this configuration paves the way for further photoelectrochemical advances thanks to its metallic top layer, which can serve as a versatile grafting platform that is resistant to their operating conditions.…”
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Sensitivity of photovoltaic cells efficiency to initial conditions in various aggregation designs by Baharak Mohamad Jafari Navadel, Esfandyar Faizi, Baharam Ahansaz, Jaber Jahanbin Sardroodi

“…Interestingly it is observed that characterizing aggregation-induced properties and quantum effects of bandgap engineering can increase the power enhancement up to 35.87% compared with classical counterparts. …”
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Atomic-scale intercalation and defect engineering for enhanced magnetism and optoelectronic properties in atomically thin GeS by Anthony C. Iloanya, Srihari M. Kastuar, Gour Jana, Chinedu E. Ekuma

“…Specifically, we observe enhanced absorption in the range of $$\sim$$  0.21 to 3.5 eV, including absorption below the bandgap threshold as the vacancy concentration is tuned between 1 and 5%. …”
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Optical signatures of lattice strain in chemically doped colloidal quantum wells by Junhong Yu, Hilmi Volkan Demir, Manoj Sharma

“…Here, we show that coherent acoustic phonons (CAPs) following bandgap optical excitations in Cu-doped CdSe colloidal quantum wells (CQWs) offer a unique platform for indirectly measuring the dopant-induced lattice strain. …”
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Physical Properties of Electrode Materials of Rechargeable Lithium Ion Batteries via DFT Calculations by Zeinab Saeedi Pour, Jaafar Jalilian, Seiyed Hamid Reza Shojaei

“…Hubbard parameter added the electron-electron interaction in the calculations, which has led to an increase in the bandgap value and more accurate results compared to the existing experimental results. …”
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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. …”
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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. …”
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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. …”
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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. …”
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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. …”
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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). …”
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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. …”
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