Energetic disorder dominates optical properties and recombination dynamics in tin-lead perovskite nanocrystals by Dandan Wang, Yusheng Li, Yongge Yang, Chao Ding, Yuyao Wei, Dong Liu, Hua Li, Huan Bi, Shikai Chen, Sujun Ji, Boyu Zhang, Yao Guo, Huiyun Wei, Hongshi Li, Shuzi Hayase, Qing Shen

“…Surprisingly, we find that static and dynamic disorder primarily control band-tail defect states and bandgap renormalization, respectively, which together modulate fast carrier trapping and slow band-band recombination rates. …”
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Enhanced UV–Vis Rejection Ratio in Metal/BaTiO3/β‐Ga2O3 Solar‐Blind Photodetectors by Nathan Wriedt, Lingyu Meng, Dong Su Yu, Chris Chae, Kyle Liddy, Ashok Dheenan, Sushovan Dhara, Roberto C. Myers, Oleg Maksimov, Richard Blakeley, Sanjay Krishna, Jinwoo Hwang, Hongping Zhao, Joe McGlone, Siddharth Rajan

“…Abstract The fabrication and characterization of metal/BaTiO3/β‐Ga2O3 solar‐blind photodetectors are reported. β‐Ga2O3 is a promising material for solar‐blind photodetectors due to its large bandgap and the availability of low defect‐density melt‐grown substrates. …”
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Crystal growth principles, methods, properties of silicon carbide and its new process prepared from silicon cutting waste by Shengqian Zhang, Yongsheng Ren, Xingwei Yang, Wenhui Ma, Hui Chen, Guoqiang Lv, Yun Lei, Yi Zeng, Zhengxing Wang, Bingxi Yu

“…The third-generation semiconductor silicon carbide (SiC) has attracted widespread attention due to its excellent properties, such as high thermal conductivity, large bandgap, high breakdown field strength, and high saturation electronic drift rate, etc. …”
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Achieving 32.9% efficiency in Pb-Based quantum dot solar cells via SCAPS-1D simulation optimization by Md Hasnain, Abdul Wahed, Joyonta Das, Bassim Arkook, Moussab Harb, Nasim Mia

“…Conversely, PbSe’s performance declined with increased thickness because of its layer-dependent bandgap. We found that lower defect densities ( $1 \times 10^{14}$ cm ^−3 ) critically improve PCE and fill factor across all materials. …”
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Fabrication and Electrochemical Behavior Investigation of a Pt-Loaded Reduced Graphene Oxide Composite (Pt@rGO) as a High-Performance Cathode for Dye-Sensitized Solar Cells by Viet Hai Le, Thai Hoang Nguyen, Huu Hieu Nguyen, Le Thanh Nguyen Huynh, An Le Vo, Thi Kim Tuyet Nguyen, Duc Thinh Nguyen, Vinh Quang Lam

“…The rGO component in the Pt@rGO composite plays two important roles: (i) facilitating the electron transfer between Pt NPs catalyst and the FTO substrate via the bandgap effect and (ii) the enlargement catalytic surface area of Pt NPs via the loading effect. …”
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Nonlinear optical response of thermally stable perovskite for near-infrared optical modulator by Jiang Wang, Liang Xie, Jingjing Liu, Yuxuan Sun, Jinglong Xu, Jiacheng Li, Zhongying Zhang, Chengbing Qin, Liantuan Xiao, Guofeng Zhang, Yonggang Wang, Zhichun Yang, Guanghua Cheng

“…Metal halide perovskite has generated significant attention due to its high optical absorption coefficient, the tunability of bandgap, and its solution processing properties, all of which have led to a range of applications including solar cells, photodetectors, light-emitting diodes and lasers. …”
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Rational composition engineering for high‐quality Pb–Sn photodetector toward sensitive near‐infrared digital imaging arrays by Huan Li, Yu Gao, Xin Hong, Kanghui Ke, Zilong Ye, Siwei Zhang, Kefei Shi, Zhuo Peng, Hao Yan, Man‐Chung Tang, Youwei Yao, Ben Zhong Tang, Guodan Wei, Feiyu Kang

“…Abstract Broadband photodetectors (PDs) capable of multi‐wavelength detection have garnered significant interest for applications in environmental monitoring, optical communication, spectral analysis, and imaging sensing. Low‐bandgap Pb–Sn hybrid perovskite photodetectors can extend the spectral response from the ultraviolet–visible (UV–vis) range to the near‐infrared (NIR) and reduce the toxicity associated with Pb2+. …”
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Realizing low voltage-driven bright and stable quantum dot light-emitting diodes through energy landscape flattening by Yiting Liu, Yingying Sun, Xiaohan Yan, Bo Li, Lei Wang, Jianshun Li, Jiahui Sun, Yaqi Guo, Weipeng Liu, Binbin Hu, Qingli Lin, Fengjia Fan, Huaibin Shen

“…The record-high luminance levels of 1,400 and 8,600 cd m-2 are achieved at bandgap voltages of 100% and 120%, respectively. Meanwhile, These LEDs show an unprecedented operation lifetime T95 (time for the luminance to decrease to 95%) of 72,968 h at 1,000 cd m-2. …”
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Sublimed C60 for efficient and repeatable perovskite-based solar cells by Ahmed A. Said, Erkan Aydin, Esma Ugur, Zhaojian Xu, Caner Deger, Badri Vishal, Aleš Vlk, Pia Dally, Bumin K. Yildirim, Randi Azmi, Jiang Liu, Edward A. Jackson, Holly M. Johnson, Manting Gui, Henning Richter, Anil R. Pininti, Helen Bristow, Maxime Babics, Arsalan Razzaq, Suman Mandal, Thomas G. Allen, Thomas D. Anthopoulos, Martin Ledinský, Ilhan Yavuz, Barry P. Rand, Stefaan De Wolf

“…We find that the coalescence is due to oxygen present in the initial source powder and leads to the formation of deep states within the perovskite bandgap, resulting in a systematic decrease in solar cell performance. …”
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Fractal Acoustic Metamaterials with Subwavelength and Broadband Sound Insulation by Yu Liu, Meng Chen, Wenshuai Xu, Tao Yang, Dongliang Pei, Heng Jiang, Yuren Wang

“…The results illustrate that it is easy to form low-frequency bandgaps using these materials and thus achieve subwavelength-scale sound control. …”
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Labyrinthine Structure with Subwavelength and Broadband Sound Insulation by Heng Jiang, Yu Liu, Wenshuai Xu, Tao Yang, Dongliang Pei, Meng Chen, Yuren Wang

“…These results show labyrinthine structures have multiple bandgaps in the range of 0 Hz–1000 Hz, and the proportion of bandgaps exceeds 33%, which indicates labyrinthine structures have good broadband properties. …”
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Solar Light-Driven Efficient Degradation of Organic Pollutants Mediated by S-Scheme MoS₂@TiO₂-Layered Structures by Wajeehah Shahid, Faryal Idrees, Ji-Jun Zou, Jeong Ryeol Choi, Lun Pan

“…While the structural and electronic changes for the 1:2 and 1:3 ratios were relatively minor, significant modifications in bandgaps and morphology were observed for the 1:1 and 1:4 ratios. …”
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Theoretical-experimental correlation of Voc in isoindigo-based small molecules for photovoltaic applications by O. Javier Hernández-Ortiz, Mario Rodríguez, Rosa Angeles Vazquez-García, Karina Alemán Ayala, María Aurora Veloz Rodríguez, Arián Espinosa-Roa, José-Luis Maldonado

“…Theoretical (DFT/TDDFT) and experimental analyses revealed intense absorption bands and tunable bandgaps (1.61–1.94 eV). Experimental validation of HOMO-LUMO levels and photovoltaic performance was conducted, with OSC devices achieving Voc values up to 0.73 V in preliminary studies. …”
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Synthesis, Characterization, and Applications of ZnO, Ag2O, and ZnO/Ag2O Nanocomposites: A Review by Abel Saka, Leta Tesfaye, Krishnaraj Ramaswamy

“…Among these, metal oxide nanomaterials have garnered significant attention due to their substantial energy bandgaps and high exciton binding energies, making them suitable for a wide range of applications, including antimicrobial activity and optoelectronics. …”
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Observation of momentum-gap topology of light at temporal interfaces in a time-synthetic lattice by Yudong Ren, Kangpeng Ye, Qiaolu Chen, Fujia Chen, Li Zhang, Yuang Pan, Wenhao Li, Xinrui Li, Lu Zhang, Hongsheng Chen, Yihao Yang

“…Recent strides have uncovered a unique category of bandstructures characterised by gaps in momentum, referred to as momentum bandgaps or k gaps, notably driven by breakthroughs in photonic time crystals. …”
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HYDROGEN DEFECTS ON THE SURFACE OF LEAD-FREE FERROELECTRIC Na\(_{0.5}\)Bi\(_{0.5}\)TiO\(_3\) MATERIALS by Tien Lam Vu, Hoang Thoan Nguyen, Huu Lam Nguyen, Ngoc Trung Nguyen, Quoc Van Duong, Duc Dung Dang

“…Our calculations reveal that a pristine Na0.5Bi0.5TiO3 (110) surface can exhibit direct and indirect transitions characterized by optical bandgaps of 2.68 eV and 2.75 eV, respectively. The density of states of the Na0.5Bi0.5TiO3 (110) surface indicates predominant electron transitions from O-2p valence bands to Ti-3d and Bi-6p conduction bands in the low-energy range. …”
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Dual-band topological Bott insulators in Ammann–Beenker-tiling square photonic quasicrystals by Yingfang Zhang, Zhihao Lan, Weicheng Chen, Jianqing Li

“…In specific, we investigate the topological properties of photonic quasicrystals made of gyromagnetic dielectric cylinders arranged in a two-dimensional Ammann–Beenker tiling quasicrystalline lattice and find that this system supports dual-band chiral topological edge states, where the topological nature of both bandgaps is unambiguously confirmed by explicit calculations of the Bott index. …”
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Bunch of Grape-Like Shape PANI/Ag2O/Ag Nanocomposite Photocatalyst for Hydrogen Generation from Wastewater by N. M. A. Hadia, Ali Hajjiah, Asmaa M. Elsayed, S. H. Mohamed, Mansoor Alruqi, Mohamed Shaban, Fatimah Mohammed Alzahrani, Ahmed Adel A. Abdelazeez, Mohamed Rabia

“…The PANI/Ag2O/Ag composite II has the optimum optical properties, in which the bandgaps of PANI, composite I, and composite II are 3.02, 1.71, and 1.68 eV, respectively, with the morphology of a bunch of grape-like shapes with average particles sizes of 25 nm. …”
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Synthesis and performance evaluation of ZnO/CdS photoanodes with copper sulfide (Cu2S) and carbon counter electrodes by Pooja B. More, Chaitali V. Jagtap, Vishal S. Kadam, Mu. Naushad, Nithesh Naik, Pavan Hiremath, Habib M. Pathan

“…UV-visible spectroscopy revealed that the bandgaps of the ZnO and Cu2S films were 3.2 and 1.3 eV, respectively. …”
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Highly Strained AlGaAs‐GaAsP Nanomembranes‐Based High‐Performance Diode by Haris Naeem Abbasi, Moheb Sheikhi, Donghyeok Kim, Ranveer Singh, Jiarui Gong, Jie Zhou, Qiming Zhang, Shuoyang Qiu, Carolina Adamo, Patrick Marshall, Clincy Cheung, Vincent Gambin, Zhenqiang Ma

“…Abstract Nanomembranes (NMs) made from single‐crystalline inorganic semiconductors offer unique properties, such as flexibility, transparency, and tunable bandgaps, making them suitable for complex device integration and next‐generation high‐power devices. …”
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