Superparamagnetic iron oxide decorated indium hydroxide nanocomposite: Synthesis, characterization and its photocatalytic activity by Chong, C. Y., Lee, T. H. W., Juan, J. C., Johan, Mohd. Rafie, Loke, C. F., Ng, K. H., Lai, J. C., Lim, T. H.

“…In comparison to the In(OH)3 system having a band gap of 4.60 eV), the band gap of the Fe3O4/In(OH)3 nanocomposite produced was determined to be 2.85 eV using the Tauc's plot method. The effective reduction in band gap is expected to allow better absorption of visible light which in turns should help boost its photocatalytic performance. …”
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Effect of radiation induced methyl methacrylate grafting on structural and optical properties of silicon nanowire by Mohd. Yassin, Muhammad Abdullah Izat

“…The UV-vis absorption spectra showed that the reflectance at the wavelength of 850 nm to 1100 nm was increased as the grafting percentage was increased. Tauc plot showed that the energy band gap increased dramatically from 1.07 eV to 1.17 eV as MMA was grafted and the energy band gap dropped down to 1.12 eV as the grafting percentage is increased. …”
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Influence of vanadium in sensitized luminescence mechanism and Judd-Ofelt analysis in Er3+/Ho3+doped mixed ionic-electronic glass system by Said, D., Malek, Mohd. Firdaus, Hasim, Nurhafizah, Sazali, Ezza Syuhada, Anis, Ahmad Lutfi, Hisam, Rosdiyana

“…Analysis on optical absorption edge by Tauc's plot revealed that EOpti decreases due to the prevalence of NBO in the glass system. …”

Optical and structural behavior of hydrothermally synthesized ZnO nanoparticles at various temperatures with NaOH molar ratios by Jitender Josun, Praveen Sharma, Vinod Kumar Garg

“…The particle morphology changes from a spherical shape to a flower-like rod shape and then to a cluster rod-like shape due to the difference in growth speed between the different crystallographic planes with rising temperature and molar ratios. Tauc's plot range predicted the band gap of all ZnO nanoparticle samples to be approximately 3.2 eV, lower than bulk ZnO's 3.37 eV, resulting in the absorption edge red-shifted in DRS spectra. …”
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Synthesis, characterisation and optical studies of CdO-NiO NCs for comparative dye degradation study between two hazardous dyes Congo red and Rose Bengal by Rakesh Kumar Mandal, Abu Sayed Mondal, Sabyasachi Ghosh, Abhik Halder, Tapas Pal Majumder

“…Band gap for the NCs was calculated using tauc plot which is around 2.89 eV, 2.74 eV and 4 eV for CdO-NiO NCs, CdO NPs and NiO NPs respectively confirming their semi conducting nature. …”
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Electronic structure and chemical states of green synthesized silica nanoparticles from biomasses by Abhishek Sharma, Deepak Kumar, Vikas Kumar, Satendra Pal Singh, Ashish R. Sharma, Sanjeev K. Sharma

“…All samples' bandgap (Eg) was found in the 5.69–5.78 eV range determined from the Tauc's plot. The symmetric stretching of O–Si–O at 440 cm−1, Si–O at 880 cm−1, and asymmetric stretching of Si–O–Si peaks at 1062 cm−1 indicate the formation of polymorphic SiO2 NPs. …”
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Effect of energy band alignments in carbon doped ZnO/TiO2 hybrid heterojunction photocatalyst on the photodegradation of ofloxacin by Sumina Namboorimadathil Backer, Samy Elhadi Oussadou, Ismail W. Almanassra, Muath Khairi Mousa, Muataz Ali Atieh, Abdallah Shanableh

“…The mechanism for the effective and extended photodegradation of hybrid heterojunctions was proposed by investigating band-gap using Tauc plot and valence band spectra using ultraviolet photoelectron spectroscopy. …”
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Characterization of ZnᵪCd₁ˍᵪS ternary semiconductor nanoparticles synthesized by microwave-assisted hydrothermal technique by Vernosfaderani, Mina Askari

“…The optical band gap energy in the range of 2.3 to 2.93 ev was calculated by Tauc plot of the UV-visible spectra. The band gap has increased with increasing the value of x due to a decrease in particle size. …”
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Characterization of ZnᵪCd₁ˍᵪS ternary semiconductor nanoparticles synthesized by microwave-assisted hydrothermal technique by Vernosfaderani, Mina Askari

“…The optical band gap energy in the range of 2.3 to 2.93 ev was calculated by Tauc plot of the UV-visible spectra. The band gap has increased with increasing the value of x due to a decrease in particle size. …”
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Multipollutant Abatement through Visible Photocatalytic System by Suryyia Manzoor, Javier Fernandez Garcia, Kausar Hussain Shah, Muhammad Imran Khan, Naseem Abbas, Hina Raza, Shamroza Mubarik, Muhamad Hayat, Alveena Iram, Ahmed Yar, Abdallah Shanableh

“…Photocatalyst was characterized via X-ray diffraction, scanning electron microscopy-energy dispersive X-ray spectroscopy, and fourier-transform infrared spectroscopy. Tauc plot was used to measure the optical band gap (1.84 eV). …”
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The Fabrication of Halogen-Doped FeWO₄ Heterostructure Anchored over Graphene Oxide Nanosheets for the Sunlight-Driven Photocatalytic Degradation of Methylene Blue Dye by Muhammad Irfan, Noor Tahir, Muhammad Zahid, Saima Noreen, Muhammad Yaseen, Muhammad Shahbaz, Ghulam Mustafa, Rana Abdul Shakoor, Imran Shahid

“…Various techniques, like FTIR, SEM-EDX, XRD, and UV–Vis spectroscopy, were used to characterize composites. The Tauc plot method was used to calculate pristine and iodine-doped FeWO₄/GO bandgap. …”
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Gel growth and characterization of Cs3Bi2Br9 perovskite single crystals for radiation detection by Saqr Alshogeathri, Saqr Alshogeathri, Da Cao, Doup Kim, Ge Yang

“…The UV-vis transmission spectrum was recorded using a light source of deuterium and halogen lamps and a Tauc plot was obtained, which gave an estimate of the bandgap energy, 2.54 eV. …”
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Flexible Ultraviolet Sensor Based on Zinc Oxide Nanoparticle Powder by Nicol Alejandra Munguía-Fernández, Jhonathan Rafael Castillo-Saenz, Oscar Manuel Perez-Landeros, Roumen Nedev, David Mateos, Judith Paz, Mariel Suárez, Mario Alberto Curiel-Alvarez, Nicola Nedev, Abraham Arias

“…UV–Vis measurements were performed to determine the ZnO bandgap (~3.05 eV) using the Tauc plot method in the absorbance spectra. The ZnO nanopowder and two comb-like metal contacts were confined and compacted between two polymeric layers by a low-temperature thermal lamination method, resulting in a flexible Polymer/ZnO/Metal/ZnO/Polymer structure. …”
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Tailoring g-C₃N₄ with Lanthanum and Cobalt Oxides for Enhanced Photoelectrochemical and Photocatalytic Activity by Naseer Iqbal

“…A bandgap energy of 2.38 eV for La₂O₃–CoO–g-C₃N₄ was calculated using the Tauc plot method, complementing high visible-light activity. …”
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Preparation and Numerical Optimization of TiO₂:CdS Thin Films in Double Perovskite Solar Cell by Ghazi Aman Nowsherwan, Aurang Zaib, Aqeel Ahmed Shah, Mohsin Khan, Abdul Shakoor, Syed Nizamuddin Shah Bukhari, Muhammad Riaz, Syed Sajjad Hussain, Muhammad Ali Shar, Abdulaziz Alhazaa

“…The decrease in the bandgap of the composite thin films was determined by the Tauc plot, which is endorsed due to the band tailing effects. …”
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A facile synthesis of metal vanadate incorporated with metal oxide/rare earth metal oxide composite for photocatalytic application by Tazeen Shahid, Misbah Mirza, Shazia Kosar, Aqsa Ramzan, Asma Ismail, Rukhsana Fareed, Sanam Husain, Sidra Mustafa, Nazia Yasmeen, Aqsa Ameer, Asma Nawaz, Muhammad Safdar

“…The elemental percentage of synthesized material is determined by using EDX spectroscopy and UV spectroscopy used to study optical properties. Using Tauc plot calculated band gap of (Ag2O/BiVO4)is 1.84 eV and (Ag2O/BiVO4/Eu2O3) is 1.65 eV. …”
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Single- and Multilayered Perovskite Thin Films for Photovoltaic Applications by Nawishta Jabeen, Anum Zaidi, Ahmad Hussain, Najam Ul Hassan, Jazib Ali, Fahim Ahmed, Muhammad Usman Khan, Nimra Iqbal, Tarek A. Seaf Elnasr, Mohamed H. Helal

“…The band gap of the thinfilms was measured by Tauc plot, giving the values of 2.07 eV and 1.81 eV for single-layer and multilayer thinfilms, respectively. …”
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Effect Of Deposition Temperature And Type Of Substrates On Structural, Surface Morphology And Optical Properties Of Rf Magnetron Sputtered Ccto Thin Film by Cheah, Wei Kian

“…Increase of deposition temperature have increased the surface roughness (Ra) and pore size respectively. In addition, Tauc plot method was used to estimate the optical energy band gap of the deposited CCTO thin film. …”
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Solar light induced photocatalytic degradation of tetracycline in the presence of ZnO/NiFe2O4/Co3O4 as a new and highly efficient magnetically separable photocatalyst by Mohammadreza Doosti, Roya Jahanshahi, Shaghayegh Laleh, Sara Sobhani, José Miguel Sansano

“…ZnO/NiFe2O4/Co3O4, with band gap energy of about 2.65 eV [estimated according to the Tauc plot of (αhν)2vs. hν], exhibits strong potential towards the efficacious degradation of tetracycline (TC) by natural solar light. …”
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Organometallic routes to colloidal zinc oxide nanoparticles and layered zinc hydroxides by Leung, A

“…Characterisation of electronic properties (UV-Vis, Tauc plot), solid-state structure (XRD) and composition (ICP-OES, XPS) confirms the substitutional doping in all cases. …”