Effect of Poling on Photocatalysis, Piezocatalysis, and Photo–Piezo Catalysis Performance of BaBi4Ti4O15 Ceramics by Pushpendra Kumar, Rahul Vaish, Tae Hyun Sung, Wonseop Hwang, Hyeong Kwang Benno Park, Anuruddh Kumar, Imen Kebaili, Imed Boukhris

“…The optical bandgap of BBT is evaluated with the help of Tauc's plot and found to be 3.29 eV, which comes in the photon energy range of ultra‐violet radiation. …”
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Photocatalytic Degradation of Organic Pollutants—Nile Blue, Methylene Blue, and Bentazon Herbicide—Using NiO-ZnO Nanocomposite by Sadaf Yasmeen, Luca Burratti, Leonardo Duranti, Emanuela Sgreccia, Paolo Prosposito

“…The band gap measurements of the prepared samples were obtained using the Tauc Plot, equation which is 2.93 eV, 3.35 eV and 2.63 eV for NiO, ZnO, and NiO-ZnO photocatalysts, respectively. …”
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Low temperature processed CO2 laser-assisted RF-sputtered GaN thin film for wide bandgap semiconductors by Seoung-Hyoun Kim, Chang-Hyeon Jo, Min-Sung Bae, Masaya Ichimura, Jung-Hyuk Koh

“…The energy bandgap of the fabricated GaN thin film was measured using the Tauc plot and confirmed via PL. The film composition thus obtained was analyzed using XPS.…”
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The Correlation between Dye absorption Wavelength and Illumination Wavelength on DSSC Performance by Hery Suyanto, Manuntun Manurung, I Putu Tedy Indrayana, Fiar Tri Santika

“…The gap energy was calculated using the Tauc Plot method, and the result was 2.826 eV. The dye was applied to make DSSC using the sandwich method, which was then irradiated with white, red, and purple LEDs with respective wavelengths of 400–700 nm (with peaks at 439.67 nm and 550.29 nm), 629.04 nm and 425.38 nm and variations in intensity values, namely 1000 lux, 2000 lux, and 3000 lux. …”
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Structural, Electrical, and Optical Properties of ZnO Films Grown by Atomic Layer Deposition at Low Temperature by Ji Young Park, Ye Bin Weon, Myeong Jun Jung, Byung Joon Choi

“…Additionally, bandgap energies in the range of 3.23-3.28 eV were determined from the Tauc plot. Overall, the optical properties were comparable to those of ZnO films grown at high temperature.…”
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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

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Photoelectrochemical and photoresponsive properties of Bi2s3 nanotube and nanoparticle thin films by Tahir, A.A., Ehsan, M.A., Mazhar, M., Wijayantha, K.G.U., Zeller, M., Hunter, A.D.

“…Bandgaps of 1.85 and 1.8 eV were estimated for nanotubes and nanoparticles, respectively, by extrapolating the linear part of the Tauc plot recorded for the films. The n-type Bi2S3 thin films display a reasonable photoactivity under illumination and are thus promising candidates for photoelectrochemical applications. …”

DC conductivity, optical properties and Judd-Ofelt evaluation of 20Li2O-xBi2O3-(78-x)TeO2-1Er2O3-1Ag mixed ionic-electronic glasses by M. S. Sutrisno, M. S. Sutrisno, Sazali, Ezza Syuhada, M. N. Azlan, M. N. Azlan, Ahmad Kamil, Suraya, Hisam, Rosdiyana

“…Analysis on optical absorption edge by Tauc's plot revealed maximum in direct Eoptd(3.609 eV) and indirect optical energy bandgap Eopti(3.259 eV) at x = 11 mol%. …”

Time dependence of morphological and optical properties of DC sputtering grown copper oxide thin film by Sulaiman, Rosmaizatul Akma

“…Based on the absorption coefficient measurements, the optical band gap energy have been determined by Tauc plot relation around Eg= 4.63 eV to 4.18 eV for 30 min to 150 min of deposition time. …”
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Facile spectroscopic approach to obtain the optoelectronic properties of few-layered graphene oxide thin films and their role in photocatalysis by Jilani, A., Othman, M. H. D., Ansari, M. O., Kumar, R., Alshahrie, A., Ismail, A. F., Khan, I. U., Sajith, V. K., Barakat, M. A.

“…The change in grain size, lattice strain, and dislocation density was studied after the reduction of GO to rGO, and the band gap analysis was performed through Tauc plot relation. The optical conductivity of the GO films was estimated by the UV technique. …”

Effect of synthesis methods on properties of copper oxide doped titanium dioxide photocatalyst in dye photodegradation of rhodamine B by Leong, Cheng Yee, Teh, Hao Lin, Chen, Man Ching, Lee, Siew Ling

“…Besides, diffuse reflectance UV-visible analysis proved that the synthesized samples were active under visible light region. According to the Tauc plot and photoluminescence spectra, the band gap energies and recombination rate of electron-hole pairs of Cu TiO2 samples decreased upon loading of Cu. …”
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Physicochemical Properties of Organic Molecular Ferroelectric Diisopropylammonium Chloride Thin Films by Ahmad M. Alsaad, Qais M. Al-Bataineh, Issam A. Qattan, Ihsan A. Aljarrah, Areen A. Bani-Salameh, Ahmad A. Ahmad, Borhan A. Albiss, Ahmad Telfah, Renat F. Sabirianov

“…In particular, the optical band gap of the DIPAC crystal was estimated to be around 4.5 eV from the band structure total density-of-states obtained by HSE06 hybrid functional methods, in good agreement with the value derived from the Tauc plot analysis (4.05 ± 0.16 eV). The films displayed an island-like morphology on the surface and showed increasing electrical conductivity with temperature, with a calculated thermal activation energy of 2.24 ± 0.03 eV. …”
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Crystal Structure And Optical Properties Of TiO2 Thin Films Prepared By Reactive RF Magnetron Sputtering by Goto S., Adachi Y., Matsuda K., Nose M.

“…The optical band gap energy of the film is determined by using the Tauc plot. The calculated band gap energies for the films deposited by Ti target and composite target were 2.95 and 3.24eV, which are equivalent to that of rutile and anatase structure, respectively.…”
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Heterostructures of Ag2FeSnS4 chalcogenide nanoparticles as potential photocatalysts by Joseph Adeyemi Adekoya, Michael Onyedikachi Chibuokem, Siphamandla Masikane, Neerish Revaprasadu

“…Further elucidation of the optical property of the HC nanoparticles by Tauc's plot based on the data derived from UV-Vis spectrophotometry measurement revealed that the bandgap ranged from 1.58 to 1.99 eV. …”
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Superior photocatalytic and electrochemical activity of novel WS2/PANI nanocomposite for the degradation and detection of pollutants: Antibiotic, heavy metal ions, and dyes by Tarab Fatima, Samina Husain, Manika Khanuja

“…The synthesized WS2/PANI nanocomposite was systematically characterized with a High-resolution transmission electron microscope (HRTEM) and Field emission scanning electron microscope (FESEM) for morphology, Energy-dispersive X-ray (EDX) spectroscopy for elemental analysis, X-ray diffractogram (XRD) for orientation planes, Fourier transform infrared (FTIR) spectroscopy for functional groups and bonds, Zeta potential for the surface charge, Tauc's plot for bandgap analysis, Photoluminescence (PL) spectroscopy study for defects, Time-Resolved Photoluminescence (TRPL) for photogenerated charge carriers, BET for surface parameters and Liquid chromatography-mass spectrometry (LC-MS) for intermediate photodegradation products. …”
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In Situ Hydrothermal Synthesis of Ni_1−xMn_xWO₄ Nanoheterostructure for Enhanced Photodegradation of Methyl Orange by Imran Hasan, Mohammed Abdullah Albaeejan, Alanoud Abdullah Alshayiqi, Wedyan Saud Al-Nafaei, Fahad A. Alharthi

“…Mn-ion incorporation in the NiWO₄ lattice reduces the particle size of the sample compared with the pure undoped NiWO₄ sample, which has been confirmed from the transmission electron microscope image. The Tauc plot of the Ni_1−xMn_xWO₄ sample exhibits a significant decrease in bandgap energy compared with the pure undoped NiWO₄ sample due to the quantum confinement effect. …”
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Co(II)-TiO2/Ti Thin Film as Antibacterial Photocatalysts Escherichia Coli Under Visible Light Ilumination by Anthoni Batahan Aritonang, Nuri Rozaqina, H. Harlia

“…This is supported by the results of the DRUV-Vis analysis using the tauc plot method, which shows a decrease in the band gap energy of TiO2 (3.24 eV) to 2.57 eV, 2.47 eV and 2.28 eV. …”
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Structural, Optical, and Antibacterial Efficacy of Pure and Zinc-Doped Copper Oxide Against Pathogenic Bacteria by Awais Khalid, Pervaiz Ahmad, Abdulrahman I. Alharthi, Saleh Muhammad, Mayeen Uddin Khandaker, Mubasher Rehman, Mohammad Rashed Iqbal Faruque, Israf Ud Din, Mshari A. Alotaibi, Khalid Alzimami, David A. Bradley

“…The band gap of the nanostructures is calculated by using the Tauc plot. Our results have shown that the band gap of CuO reduces with the addition of Zinc. …”
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Synthesis of liquid crystalline benzothiazole based derivatives: Theoretical and experimental study of their optical and electrical properties. by Shalaw K. Salih ,Rebaz M. Mustafa ,Dyari M. Mamad ,Kosrat N. Kaka ,Rebaz A. Omer ,Wali M. Hamad

“…UV-visible spectroscopy is measuring absorption coefficient, transmittance, and electrical conductivity, and uses a Tauc plot for bandgap energy of the highest absorption peaks. …”
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A New Combination Method of N-doped TiO2 Nanoparticles Synthesis for Heavy Metal Ions Cr(VI) Photoreduction Applications by Diana Vanda Wellia, M. Rafli Habibillah, Atika Syafawi, Rizka Rahmadini, Rahmayeni Rahmayeni, Nurul Pratiwi

“…According to the results of the UV-Vis Diffuse Reflectance Spectroscopy (UV-Vis DRS) analysis using the Tauc-Plot method, all N-doped TiO2 samples showed a decrease in the energy gap compared to the TO sample. …”
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