Two-dimensional XMoSiP2/BP (X= S, Se) Heterostructures as Efficient Photocatalysts for Overall Water Splitting by Somayeh Gholami Rudi, Nayereh Ghobadi, Samaneh Soleimani-Amiri

“…The band diagram shows that these structures have a direct band gap in the range of 0.66 to 1.27 eV. By determining the contribution of BP and XMoSiP2 in the energy band diagram of XMoSiP2/BP, it is shown that the investigated structures have type II band alignment, which renders them as suitable photocatalysts for water splitting. …”
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Hydrogenated Nanocrystalline Silicon Thin Films Prepared by Hot-Wire Method with Varied Process Pressure by V. S. Waman, A. M. Funde, M. M. Kamble, M. R. Pramod, R. R. Hawaldar, D. P. Amalnerkar, V. G. Sathe, S. W. Gosavi, S. R. Jadkar

“…The ease of depositing films with tunable band gap is useful for fabrication of tandem solar cells. …”
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Enhanced Aqueous Zinc-Ion Batteries Using 3D MoS₂/Conductive Polymer Composite by Tongxin Jiang, Sijie Li, Zexiang Luo, Xue Li, Lifeng Zhang, Haisheng San, Xin Li, Yifei Ma

“…MoS₂, a typical transition metal dichalcogenide, features a layered structure, multi-phase transition, and tunable band gap, which is a promising candidate for aqueous zinc-ion batteries (AZIBs). …”
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The Effect of Channel Layer Thickness on the Performance of GaN HEMTs for RF Applications by Qian Yu, Sheng Wu, Meng Zhang, Ling Yang, Xu Zou, Hao Lu, Chunzhou Shi, Wenze Gao, Mei Wu, Bin Hou, Gang Qiu, Xiaoning He, Xiaohua Ma, Yue Hao

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Comprehensive study for radiation shielding features for Bi2O3–B2O3–ZnO composite using computational radioanalytical Phy-X/PSD, MCNP5, and SRIM software by Y. S. Alajerami, M. H. A. Mhareb, M. I. Sayyed, M. Kh. Hamad, F. Kodeh, M. Rashad, M. Mitwalli

“…The density showed rising from 5.981 to 6.433 g/cm3 with adding ZnO. The band gap values reduced from 2.831 to 2.091 eV for direct and 3.024 to 2.218 eV for indirect with adding ZnO. …”
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Visible-Light-Driven Degradation of Chloramphenicol Using CeO₂ Nanoparticles Prepared by a Supercritical CO₂ Route: A Proof of Concept by Maria Chiara Iannaco, Antonietta Mancuso, Stefania Mottola, Andrea Pipolo, Vincenzo Vaiano, Iolanda De Marco

“…After thermal annealing, the CeO₂ samples were characterized through UV–Vis diffuse reflectance spectroscopy to evaluate the band gap energy values. Raman and FT-IR spectroscopy confirmed the presence of oxygen vacancies in the CeO₂ lattice. …”
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Submicrosecond Q-Switching Er-Doped All-Fiber Ring Laser Based on Black Phosphorus by Yao Cai, Yanliang He, Xiaoke Zhang, Rui Jiang, Chenliang Su, Ying Li

“…Black phosphorus (BP), a new two-dimensional (2D) material, has been deeply developed for extensive applications in electronics and optoelectronics due to its similar physical structure to graphene and thickness dependent direct band gap. Here, we demonstrated a submicrosecond passive Q-switching Er-doped fiber laser with BP as saturable absorber (SA). …”
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Analysing the effect of Quinalphos pesticide on fish health through molecular docking studies and their eradication by photocatalytic degradation using Fe/S/TiO2 nanocomposite by Anisha Russelraj, Sibmah Stalin, Kirupa Jino

“…The incorporation of Fe3+ and the distribution of S nonmetal in TiO2 crystal lattice were affirmed by the XRD, SEM and FT-IR analysis. The band gap energy of Fe/S/TiO2 nanocomposite has been narrowed to 2.5eV and its photocatalytic activity was extended to the visible region. …”
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Effect of Cl substitution on the microstructure, dielectric and optical properties of CaCu3Ti4O12 ceramics by Najwa. Gouitaa, Sahil Kumar, Fatima Zahra. Ahjyaje, Taj-dine. Lamcharfi, Amina. Benatia, Mustapha. Abarkan, Mamta Shandilya

“…Optical analysis showed a redshift in absorption peaks, and the band gap energy reduced to 1.68 eV, attributed to enhanced crystallinity and phase transformations. …”
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Fabrication of Cu: ZnO thin film sensor for ethanol vapor detection by Robin Simkhada, Dalton R. Gibbs, Soma Dhakal, Dipak Oli, Rishi Ram Ghimire, Deependra Das Mulmi, Leela Pradhan Joshi

“…The UV-visible results showed a significant decrease in the band gap from 3.28 eV for undoped ZnO to 3.20 eV for Cu: ZnO films. …”
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ZnO Nanoparticles by Hydrothermal Method: Synthesis and Characterization by Juan Carlos Anaya-Zavaleta, Antonio Serguei Ledezma-Pérez, Carlos Gallardo-Vega, Joelis Rodríguez-Hernández, Carmen Natividad Alvarado-Canché, Perla Elvia García-Casillas, Arxel de León, Agustín Leobardo Herrera-May

“…In addition, the effective mass model provided an estimated band gap that matched with the reported data. Also, the lattice parameters, interplanar distances, and Zn-O bond lengths were consistent with Joint Committee on Powder Diffraction Standards (JCPDS). …”
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Structural study, optical properties, thermal stability, and biological activity of a non-centrosymmetric hybrid compound 3,4-Diaminopyridinium perchlorate (3,4-DAPP) by Soulayma Mtar, Sameh Sellami, Nassira Chniba-Boudjada, Mohamed Boujelbene

“…Additionally, the optical properties were investigated by UV–Vis absorption and photoluminescence spectroscopy, which exhibit emission property, and a band gap energy of 3.9 eV. Finally, biological activity tests revealed that 3,4-DAPP exhibited moderate antibacterial activity, particularly against Bacillus cereus. …”
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Etude expérimentale et théorique d’un nouveau composé halogène pnicture Hg$_{12}$Sb$_6 ($Br$_{5,186}$I$_{6,814})$ by Kheit, Messaoud, Merazka, Soumia, Kars, Mohammed, Gómez-Herrero, Adrian, Roisnel, Thierry, Sidoumou, Mohamed

“…Its structure was determined by single crystal X-ray diffraction. The optical band gap was determined as 2,1 eV according to UV${-}$vis diffuse reflectance spectroscopy. …”
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Photocatalytic degradation of tetracycline by Fe-doped mechanically activated SrTiO3 powders in aqueous solution by Živojinović Jelena, Peleš-Tadić Adriana, Kosanović Darko, Dinić Ivana, Vuković Marina, Obradović Nina

“…Optical measurements indicated a shift of the absorption edge to higher values of wavelengths where the lowest value of the band gap (Eg=1.85 eV) was for the longest activation time (120 min) and the highest weight percentages of dopant (6 wt%). …”
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Fabrication of Cu: ZnO thin film sensor for ethanol vapor detection by Robin Simkhada, Dalton R. Gibbs, Soma Dhakal, Dipak Oli, Rishi Ram Ghimire, Deependra Das Mulmi, Leela Pradhan Joshi

“…The UV-visible results showed a significant decrease in the band gap from 3.28 eV for undoped ZnO to 3.20 eV for Cu: ZnO films. …”
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Photocatalytic Mineralization of Organic Acids over Visible-Light-Driven Au/BiVO4 Photocatalyst by Kanlaya Pingmuang, Natda Wetchakun, Wiyong Kangwansupamonkon, Kontad Ounnunkad, Burapat Inceesungvorn, Sukon Phanichphant

“…Photocatalytic results showed that all Au/BiVO4 samples exhibited higher oxalic acid mineralization rate than that of pure BiVO4, probably due to a decrease of BiVO4 band gap energy and the presence of surface plasmon absorption upon loading BiVO4 with Au as evidenced from UV-Vis DRS results. …”
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Adsorption of Mo and O at S-vacancy on ReS2 surface of ReS2/MoTe2 vdW heterointerface by Puneet Kumar Shaw, Jehan Taraporewalla, Sohaib Raza, Akash Kumar, Rimisha Duttagupta, Hafizur Rahaman, Dipankar Saha

“…Here, we emphasize the changes in effective band gap owing to defect-induced states as well as modulation of the energy gap value with Molybdenum (Mo) and Oxygen (O) adsorption at the defect site. …”
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Solution combustion synthesis of ZnO doped CuO nanocomposite for photocatalytic and sensor applications by A. Naveen Kumar, M. Balakrishna, Usha Desai, R. Rakshith, K. M. Ambika, P. Soumya, C. R. Ravikumar, S. Senthil Vadivu, Nithesh Naik

“…According to calculations, the optical energy band gap (Eg) of the NPs is between 2.1 and 2.5 eV. …”
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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

“…Aluminum nitride (AlN), an emerging ultra‐wide band gap (UWBG) III–V semiconductor, offers promising optoelectronic properties and superior thermal conductivity (>300 Wm−1K−1 at 298° K, compared to BSO's 3.29 Wm−1K−1). …”
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Structural, electronic, mechanical, optical and magnetic properties of RhNbZ (Z = Li, Si, As) Half-Heusler compounds: a first-principles study by Adem Beriso Bejo, Megersa Wodajo Shura, Kumneger Tadele, Mesfin Asfaw Afrassa, Fekadu Tolessa Maremi

“…Calculations of electronic band structure and density of states (DOS) affirm that RhNbSi is a semi-conductor with an indirect band gap of 0.662 eV and 1.0095 eV from generalized gradient approximation (GGA) and GGA+U approaches respectively, where U is Hubbard parameter, RhNbLi has metallic property under both GGA and GGA+U approaches whereas RhNbAs has metallic nature under GGA prediction but it has half-metallic property under GGA+U approach, a property which is essential for spintronic applications. …”
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