High‐Efficiency Flexible GaAs/InGaAs Dual‐Junction Solar Cells Fabricated by Metallic Nanoparticle‐Based Wafer Bonding by Yeongho Kim, Suho Park, Thuy Thi Nguyen, Jiyeon Jeon, Byong Sun Chun, Sang Jun Lee

“…Multijunction solar cells made from highly lattice‐mismatched (LMM) material systems offer an optimal bandgap combination for the ultrahigh conversion of solar energy to electricity. …”
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Design and numerical simulation of CuBi2O4 solar cells with graphene quantum dots as hole transport layer under ideal and non-ideal conditions by Muhammad Panachikkool, E. T. Aparna, Perumal Asaithambi, T. Pandiyarajan

“…The effect of various cell parameters such as the thickness of the absorber layer, HTL layer, and FTO, acceptor and defect density, the bandgap of the absorber and HTL layer, series and shunt resistance, back and front contact materials, radiation and Auger recombination of the absorber layer, reflection losses on the efficiency of the proposed cell is analysed. …”
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Enhanced Laser Damage Threshold in Optically Addressable Light Valves via Aluminum Nitride Photoconductors by Soroush Ghandiparsi, Bikram Chatterjee, Jimmy‐Xuan Shen, Miranda S. Gottlieb, Clint D. Frye, Joseph D. Schneider, Ryan D. Muir, Brandon W. Buckley, Sara E. Harrison, Qinghui Shao, Joel B. Varley, Lars F. Voss

“…Design considerations for OALVs incorporating UWBG photoconductors are discussed, and the photoresponsivity from defect‐mediated sub‐bandgap absorption in AlN crystals is verified as sufficient for OALVs operating under high light fluences. …”
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Synthesis and characterization of indium-doped ZnO nanoparticles by coprecipitation method for highly photo-responsive UV light sensors by Yogesh B. Waghadkar, Govind Umarji, Shankar S. Kekade, Sunit Rane, Ratna chauhan, Muthupandian Ashokkumar, Suresh W. Gosavi

“…Defects in the crystal lattice, such as oxygen vacancies or interstitial defects, can create energy levels within the bandgap. Subsequently, we evaluated the suitability of these Indium-doped ZnO nanostructures for light sensor applications. …”
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Optical band gap modulation in functionalized chitosan biopolymer hybrids using absorption and derivative spectrum fitting methods: A spectroscopic analysis by Dyari M. Mamand, Dana S. Muhammad, Daron Q. Muheddin, Karzan A. Abdalkarim, Dana A. Tahir, Hawkar A. Muhammad, Shujahadeen B. Aziz, Sarkawt A. Hussen, Jamal Hassan

“…Tauc and ASF model was also used to calculate the electronic transitions, band structure, and optical characteristics. Bandgap energy based on Tauc model at m = 2, 1/3, 1/2, and 2/3 are 1.77, 1.54, 1.47, and 1.37 eV, based on ASF model are 1.52, 1.42, 1.69, and 1.47 eV, respectively. …”
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Surface crystal-orientation-dependent second-order nonlinear optical properties of cubic boron arsenide (c-BAs) by Lipeng Zhu, Yachao Ma, Chuyi Zhou, Tanwen Lai, Aochi Jia, Yipeng Zheng, Kaili Ren, Dongdong Han, Jun Dong, Ze Xue, Yani Ren, Qiyi Zhao, Chuan He, Jiming Zheng

“…The energy band structure demonstrates that c-BAs is an indirect bandgap semiconductor. The isotropic complex dielectric functions and the derived linear optical parameters have been obtained, such as complex refractive index and reflectivity. …”
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Universal Synthesis of Core–Shell‐Structured Ordered Mesoporous Transition Metal Dichalcogenides/Metal Oxides Heterostructures with Active Edge Sites by Zhenliang Li, Yujian Rao, Zhehan Wang, Tuo Zhang, Guodong Wu, Litao Sun, Yuan Ren, Li Tao

“…Two‐dimensional (2D) transition metal dichalcogenides (TMDs) are widely used in interfacial reactions and electronic devices due to their tunable bandgap and high efficiency of carrier transport. …”
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Advancement of Pt and Pd-based catalysis for green, sustainable energy and bio-medical applications by Nithyadharseni Palaniyandy, Sekhosana Kutloano, Lakshmi Devaraj, Xolile Fuku, Sathish Sundar Dhilip Kumar

“…Pt and Pd co-catalysts in photocatalytic water splitting are examined for their contributions to clean hydrogen production, with a focus on bandgap adjustment, reduced recombination time, and enhanced charge carrier separation. …”
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Microstructural transformation of GO to rGO by ascorbate acid green-agent enhanced using sonication method by Masruroh, Freygieon Ogiek Rizal Sukma, Kormil Saputra, Nandang Mufti, Kusumandari, Anton Prasetyo, Rachmat T Tjahjanto, Dionysius J D H Santjojo

“…The results showed that increasing the sonication duration decreased the particle size of rGO significantly, contributing to microstructural transformation. The decrease in the bandgap of rGO was also confirmed through UV–vis characterization. …”
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Tailoring Red-to-Blue Emission in In_1−xGa_xP/ZnSe/ZnS Quantum Dots Using a Novel [In(btsa)₂Cl]₂ Precursor and GaI₃ by Calem Duah, Ji-Seoung Jeong, Ji Yeon Ryu, Bo Keun Park, Young Kuk Lee, Seon Joo Lee

“…Ternary In_1−xGa_xP quantum dots (QDs) have emerged as promising materials for efficient blue emission, owing to their tunable bandgap, high stability, and superior optoelectronic properties. …”
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Implementation and comprehensive investigation of gate engineered Si0.1Ge0.9/GaAs charged plasma based JLTFET for improved analog/ RF performance by Pranita Soni, Aditya Jain, Kaushal Kumar, Lokesh Kumar Soni, Ajay Kumar, Neha Gupta, Amit Kumar Goyal, Rakesh Saroha

“…This study introduces the Variable Length Dual Dielectric Material-Gate Spacer Engineering Heterostructure Junction-Less Tunnel Field-Effect Transistor (VLDD-GSE-HJLTFET), a novel device that integrates advanced bandgap engineering, dual-dielectric gate configuration, and heterostructure design using Si0.1Ge0.9/GaAs layers. …”
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Revealing enhanced dilution effect of conjugated polymers in partially miscible blends by Hongbo Chen, Ming Hu, Yuehua Zhao, Kaixuan Lyu, Yushuai Xu, Yuansheng Sun, Zhiyuan Xie, Jinying Huang, Dapeng Wang

“…Abstract Recent experiments have shown that hole traps could be suppressed in polymer light‐emitting diodes under current stress by diluting the light‐emitting conjugated polymers within an “inert” large‐bandgap host material. However, it is unclear why there is an enhanced dilution effect in partially miscible blends rather than fully miscible blends, as intuition would suggest that better miscibility leads to better dilution. …”
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Electrically chargeable inorganic persistent luminescence in an alternating current driven electroluminescent device by Cunjian Lin, Rujun Yang, Zishuang Wu, Yajing Wang, Chenhan Zhan, Hirohisa Miyata, Xiankan Zeng, Yuantian Zheng, Shihai You, Ying Lv, Yixi Zhuang, Rong-Jun Xie, Jumpei Ueda

“…The spin-coating method-prepared emission layer composites consist of a small bandgap copper-doped zinc sulfide core, a high dielectric constant alumina shell and a chemically passivated dielectric polydimethylsiloxane medium (ZnS:Cu@AlOx@PDMS), and these composites exhibit well-distributed electric fields and excellent operational stability. …”
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Giant Photoluminescence Enhancement of Ga‐Doped ZnO Microwires by X‐Ray Irradiation by Siyuan He, Shuiyan Cao, Ying Liu, Wenfa Chen, Pin Lyu, Weidian Li, Jincheng Bao, Wenhui Sun, Caixia Kan, Mingming Jiang, Yanpeng Liu

“…Abstract Ga‐doped zinc oxide (ZnO) microwires hold great promise for developing highly efficient light sources because of the wide bandgap with proper exciton binding energy. However, most microwires grown from one mainstream approach, i.e., chemical vapor deposition (CVD), are morphologically and crystallographically defective, exhibiting limited photoluminescence performances. …”
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Eco-Friendly Synthesis of Zirconium Dioxide Nanoparticles from <i>Toddalia asiatica</i>: Applications in Dye Degradation, Antioxidant and Antibacterial Activity by Arumugam Kathirvel, Ramalingam Srinivasan, Sathasivam Harini, Natarajan Ranjith, Govindan Suresh Kumar, Kesavan Lalithambigai, Raji Atchudan, Mohamed A. Habila, Ahmed M. Aljuwayid, Hae Keun Yun

“…UV–visible spectroscopy showed a characteristic band at 281 nm with a bandgap energy of 3.7 eV, indicating effective stabilization by the phytochemicals in <i>T</i>. …”
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Synthesis, characterization, and application of MnFe2O4/FeVO4/modified zeolite nanocomposite as an effective photocatalyst for methylene blue degradation and benzothiophene desulfu... by Shima H. Khabbaz, Ahmad Bagheri, Mehdi Mousavi-Kamazani

“…Diffusion reflectance spectroscopy (DRS) analysis indicated bandgap values of 1.38 eV for MnFe2O4/FeVO4, 1.48 eV for the 1:1 ratio of MnFe2O4/FeVO4/modified zeolite, and 1.44 eV for the 2:1 ratio. …”
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Green synthesis and characterization of CuO/ZnO nanocomposite using Musa acuminata leaf extract for cytotoxic studies on colorectal cancer cells (HCC2998) by Wong Yee Jin, Subramaniam Hemaroopini, Shing Wong Ling, Dhanapal Anto Cordelia Tanislaus Antony, Chan Yu Bin, Aminuzzaman Mohammod, Tey Lai-Hock, Janakiraman Ashok Kumar, Kayarohanam Saminathan, Djearamane Sinouvassane

“…CuO/ZnO NC was characterized via UV-Vis analysis with a peak detected at 365 nm with a bandgap energy of 3.43 eV. Field emission scanning electron microscopy analysis showed an agglomerated, irregular shape with a size ranging from 31.8 to 85.7 nm. …”
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Structural and electronic features enabling delocalized charge-carriers in CuSbSe 2 by Yuchen Fu, Hugh Lohan, Marcello Righetto, Yi-Teng Huang, Seán R. Kavanagh, Chang-Woo Cho, Szymon J. Zelewski, Young Won Woo, Harry Demetriou, Martyn A. McLachlan, Sandrine Heutz, Benjamin A. Piot, David O. Scanlon, Akshay Rao, Laura M. Herz, Aron Walsh, Robert L. Z. Hoye

“…Using a combination of theory and experiment, the critical enabling factors are found to be: 1) having a layered structure, which allows distortions to the unit cell during the propagation of an acoustic wave to be relaxed in the interlayer gaps, with minimal changes in bond length, thus limiting deformation potentials; 2) favourable quasi-bonding interactions across the interlayer gap giving rise to higher electronic dimensionality; 3) Born effective charges not being anomalously high, which, combined with the small bandgap ( $$\le$$ ≤ 1.2 eV), result in a low ionic contribution to the dielectric constant compared to the electronic contribution, thus reducing the strength of Fröhlich coupling. …”
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Dual-functional passivation on highly-efficient air-processed FAPbI₃ perovskite solar cells fabricated under high humidity without auxiliary equipment by Bo-Tau Liu, His-Sheng Su, I-Ru Chen, Rong-Ho Lee, Yi-Fang Su, Kai-Ting Sun, Shoaib Siddique

“…Formamidinium lead triiodide (FAPbI3) perovskite has garnered significant attention due to its narrow bandgap and excellent thermal stability. However, the photo-active α-phase FAPbI3 suffers the poor structural stability, easily transforming to photo-inactive δ-phase FAPbI3 at room temperature, a process that is accelerated by the moisture. …”
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Advantages of N-Type Hydrogenated Microcrystalline Silicon Oxide Films for Micromorph Silicon Solar Cells by Amornrat Limmanee, Songkiate Kittisontirak, Sorapong Inthisang, Taweewat Krajangsang, Jaran Sritharathikhun, Kobsak Sriprapha

“…The n μc-SiO:H films with high optical bandgap and low refractive index could be obtained when a ratio of carbon dioxide (CO2) to silane (SiH4) flow rate was raised; however, a trade-off against electrical property was observed. …”
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