Monitoring chemistry in situ with a smart stirrer: a magnetic stirrer bar with an integrated process monitoring system by Cherkasov, N, Baldwin, S, Gibbons, GJ, Isakov, D

“…The device, called “Smart Stirrer”, when immersed in a solution, can in situ monitor physical properties of the chemical reaction such as the temperature, conductivity, visible spectrum, opaqueness, stirring rate, and viscosity. …”

Influences of InGaN quantum well thickness on the internal quantum efficiency for GaN LED visible Light communication by Lee, Mei Yee, Mat Jubadi, Wasuzarina

“…The reason of GaN becoming the trend is due to the excellent optical properties and it is able to emit a wide range of wavelengths in the visible spectrum at the efficiency which greater than traditional lighting technologies [2]. …”
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Methanol as a suitable solvent for Polyaniline Emeraldine Base (PANI‐EB) by Othman, Siti Amira, Radiman, Shahidan, Khoo, Kok Siong

“…The effects of bonding between methanol and Polyaniline emeraldine base (PANI‐EB) has been investigated. UV‐visible spectrum shows two sharp absorption peaks at 350nm (π‐ π*) and ∼720nm (polaron bands). …”
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Improving Physical Properties of Nano Layered ITO Thin Films by using a Novel Oil Thermal Annealing by Hegde, Gurumurthy, Mehdi, Qasim, Jinan B., Al-Dabbagh, Ahmed, Naser Mahmoud, Mohamad Ashry, Jusoh

“…The optical properties after annealing by using a spectrophotometer show a high transparency between 81% and 95% in the visible spectrum. In addition, the sheet resistance of ITO film 9.65 k Ω / □ was significantly improved to 65 Ω / □ annealing time by using the OTA technique in comparison with 2.37 k Ω / □ under Argon gas at 10 minutes.…”

STUDY OF MECHANISMS OF LIGHT ABSORPTION IN TITANIUM DIOXIDE FILMS by V. V. Novopashin, L. A. Skvortsov, M. I. Skvortsova

“…In turn, the absorption of titanium dioxide in the visible spectrum (at wavelengths of 532 nm and 670 nm) has less to do with defects in stoichiometry, in contrast to contaminating impurities contained in the starting material, in the vacuum chamber and in the jet gas.…”
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Second harmonic generation nanoparticles enables Near-Infrared Photodynamic Therapy from visible light reactive photosensitizer conjugates. by Ayan Barbora, Fares Yazbak, Svetlana Lyssenko, Vadim Nave, Faina Nakonechny, Paul Ben Ishai, Refael Minnes

“…Conventional PSs reactive only to visible spectrum light coupled with SHG nanoparticles enables the use of higher tissue penetrating NIR light to generate an efficient photodynamic effect, thereby overcoming low light penetration and tissue specificity of conventional visible light PDT treatments.…”
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Effect of thermal treatment on the growth, structure and luminescence of nitride-passivated silicon nanoclusters by Normand Elise, Wilson Patrick, Roschuk Tyler, Dunn Kayne, Chelomentsev Evgueni, Zalloum Othman, Wojcik Jacek, Mascher Peter

“…Photoluminescence (PL) experiments revealed broad, tunable emissions with peaks ranging from the near-infrared across the full visible spectrum. The emission energy was highly dependent on the film composition and changed only slightly with annealing temperature and time, which primarily affected the emission intensity. …”
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Structure, chemical reactivity, NBO, MEP analysis and thermodynamic parameters of pentamethyl benzene using DFT study by Jai Kishan Ojha, Gaddam Ramesh, Byru Venkatram Reddy

“…The computed small band gap energy, correlated with the UV–visible spectrum, demonstrates that the test molecule has good biological activity. …”
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Determining the Spectral Requirements for Cyanobacteria Detection for the CyanoSat Hyperspectral Imager with Machine Learning by Mark W. Matthews, Jeremy Kravitz, Joshua Pease, Stephen Gensemer

“…In conclusion, continuous sampling of the visible spectrum is not a requirement for cyanobacterial detection, provided that a multi-spectral configuration with ideally positioned, narrow bands is used. …”
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Feature Point Descriptors: Infrared and Visible Spectra by Pablo Ricaurte, Carmen Chilán, Cristhian A. Aguilera-Carrasco, Boris X. Vintimilla, Angel D. Sappa

“…This manuscript evaluates the behavior of classical feature point descriptors when they are used in images from long-wave infrared spectral band and compare them with the results obtained in the visible spectrum. Robustness to changes in rotation, scaling, blur, and additive noise are analyzed using a state of the art framework. …”
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Inverse Design of Broadband Absorption in the Visible with Plasmonic Multilayered Planar Structures by Davi F. Rêgo, Igor L. Gomes de Souza, Vitaly F. Rodriguez-Esquerre, Gilliard N. Malheiros-Silveira

“…The proposed strategy found structures with absorption covering the visible spectrum, maintaining its performance for high incident angles.…”
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First Estimation of Global Trends in Nocturnal Power Emissions Reveals Acceleration of Light Pollution by Alejandro Sánchez de Miguel, Jonathan Bennie, Emma Rosenfeld, Simon Dzurjak, Kevin J. Gaston

“…We estimate the hidden impact of the transition to solid-state light-emitting diode (LED) technology, which increases emissions at visible wavelengths undetectable to existing satellite sensors, suggesting that the true increase in radiance in the visible spectrum may be as high as globally 270% and 400% on specific regions. …”
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Influence of Group-IVA Doping on Electronic and Optical Properties of ZnS Monolayer: A First-Principles Study by Bin Liu, Wan-Sheng Su, Bi-Ru Wu

“…Such intermediate states expand the optical absorption range into the visible spectrum. Our findings provide an in-depth understanding of the electronic and optical properties of the ZnS monolayer and the associated doping structures, which is helpful for application in optoelectronic devices.…”
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The Wall: The Earth in True Natural Color from Real-Time Geostationary Satellite Imagery by Louis Gonzalez, Hirokazu Yamamoto

“…A Rayleigh scattering correction is applied, and a cloud of artificial neural networks, chosen to render “true natural color” RBG composites, is used to recreate the missing daytime bands in the visible spectrum. The reconstruction methodology is validated by means of the TERRA/AQUA “Moderate Resolution Imaging Spectroradiometer” (MODIS) instrument reflectance values. …”
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Tricolor visible wavelength-selective photodegradable hydrogel biomaterials by Teresa L. Rapp, Cole A. DeForest

“…Current photosensitive materials are constrained by their reliance on high-energy ultraviolet light (<400 nm) that offers poor tissue penetrance and limits access to the broader visible spectrum. Here, we report a family of three photolabile material crosslinkers that respond rapidly and with unique tricolor wavelength-selectivity to low-energy visible light (400–617 nm). …”
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Yellow Emissive Tris(8-hydroxyquinoline) Aluminum by the Incorporation of ZnO Quantum Dots for OLED Applications by Aya Hekmet Makki, Si-Hyun Park

“…They emit light in the blue and green ranges of the visible spectrum, so for white organic light emitting diodes (OLEDs), yellow emission is required as well. …”
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Pandemic of Childhood Myopia. Could New Indoor LED Lighting Be Part of the Solution? by David Baeza Moyano, Roberto Alonso González-Lezcano

“…The possibility of creating indoor luminaires that emit throughout the visible spectrum from purple to infrared can now be a reality that could offer a new avenue of research to fight this pandemic.…”
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Bicyclic 1,3a,6a-Triazapentalene Chromophores: Synthesis, Spectroscopy and Their Use as Fluorescent Sensors and Probes by Yingchun Wang, Tomas Opsomer, Wim Dehaen

“…The 1,3a,6a-triazapentalene (TAP) is an aromatic heterocyclic fluorescent dye with interesting features such as its small size, large Stokes shift, solvatochromism, and emission wavelengths that are spread across the visible spectrum. TAPs have been synthesized via different synthetic strategies involving click−cyclization−aromatization domino reactions, gold-catalyzed cyclization of propargyl triazoles or triazolization of acetophenones. …”
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Virtual UV Fluorescence Microscopy from Hematoxylin and Eosin Staining of Liver Images Using Deep Learning Convolutional Neural Network by Dorota Oszutowska-Mazurek, Miroslaw Parafiniuk, Przemyslaw Mazurek

“…The use of UV (ultraviolet fluorescence) light in microscopy allows improving the quality of images and observation of structures that are not visible in visible spectrum. The disadvantage of this method is the degradation of microstructures in the slide due to exposure to UV light. …”
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Colorimetry of Luminescent Lanthanide Complexes by Julien Andres, Anne-Sophie Chauvin

“…Europium, terbium, dysprosium, and samarium are the main trivalent lanthanide ions emitting in the visible spectrum. In this work, the potential of these ions for colorimetric applications and colour reproduction was studied. …”
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