Nikolai V. Gaponenko

Study on SERS Solvent Perturbation Effects of Several Typical Raman Probe Molecules

Yun Long Zhou, Minqiang Wang, Junnan Wang, Jindou Shi et autres

This study introduces solvent perturbation into surface-enhanced Raman spectroscopy (SERS) to systematically analyze dynamic spectral features by converting the random signal scintillation typically observed at single-molecule concentrations into a measurable range of medium to high concentrations. Using silver aerogel as the substrate, …

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Iridescence and Luminescence from Opal Matrices for Show Business

Nikolai V. Gaponenko, Svetlana M. Kleshcheva, Ekaterina I. Lashkovskaya, U. A. Zaitsau et autres

The paper reports on obtaining visually appealing images from opal matrices to artificial samples comprising regular packing of monodisperse silica globules. We show the images of iridescence, photoluminescence, and both of them simultaneously, exciting upconversion luminescence of Er3+ ions from BaTiO3 xerogel/opal …

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Electrophysical Properties of Structures with Barium Titanate and Oxide Films Formed by the Sol-Gel Method on Titanium

R. T. Makhmutov, Nikolai V. Gaponenko, Ekaterina I. Lashkovskaya, K. I. Meledin et autres

Aluminum oxide and barium titanate films were formed on titanium and oxidized single-crystal silicon substrates using the sol-gel method. The dependence of the capacitance and the dielectric loss tangent on the frequency of the Al2O3/BaTiO3/Ni capacitor structure was studied in the range …

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Author response for "Aromatic ring compounds with different conjugation degrees in boronic acid matrix to realize multicolor phosphorescence for time division colorful multiplexing"

Qing Yao, Zeyu Wang, Nikolai V. Gaponenko, Jindou Shi et autres

Surface-enhanced Raman scattering of R6G dimerization during self-healing of gel

Yun Long Zhou, Minqiang Wang, Junnan Wang, Jindou Shi et autres

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Aromatic ring compounds with different conjugation degrees in a boronic acid matrix to realize multicolor phosphorescence for time division colorful multiplexing

Qing Yao, Zeyu Wang, Nikolai V. Gaponenko, Jindou Shi et autres

. Thus, 2-Ph@BA, 9-Ph@BA and 1-Py@BA RTP emission showed a significant redshift, leading to green, yellow and red phosphorescence colors, respectively. Finally, RTP CD composites are used in information security and time division colorful multiplexing based on the synthesized samples with different …

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Sol-Gel Synthesis of Monodisperse Silica Globules and Optical Properties of Ordered and Disordered Materials Based on Them

Nikolai V. Gaponenko, Svetlana M. Kleshcheva, Ekaterina I. Lashkovskaya, В. А. Лабунов et autres

Monodisperse silica globules of about 250–300 nm in size have been synthesized by the sol-gel method. These globules form the basis for the synthesis of artificial opals – three-dimensional photonic crystals and disordered opal matrices. Matte coatings on quartz glass consisting of …

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In situ growth of Te-doped Cs 2 SnCl 6 scintillator composite films for X-ray imaging

Nikolai V. Gaponenko, Jindou Shi, Zheyuan Da, Yongqiang Ji et autres

Cs 2 SnCl 6 :Te/PMMA CFs were obtained by in situ self-assembly with high dispersion and crystallinity. It exhibited high PLQY and were able to easily capture high-resolution images of an internal structure in X-ray imaging.

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Photocurrent in Silic in Silicon/Barium Titanate/Nikel Structures

Yu. D. Karnilava, Eugene B. Chubenko, Nikolai V. Gaponenko

Photosensitive silicon/barium titanate/nickel structures with undoped barium titanate and doped europium were synthesized using the sol-gel method. The current-voltage characteristics were studied under illumination with a xenon lamp, highlighting a monochromatic line in the range of 400–800 nm and in dark mode. …

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Regulation of molecular conjugation to realize mult-color room temperature phosphorescence of carbon dots in urea and ammonium pentaborate precursor matrices

Qing Yao, Yuan Wang, Minqiang Wang, Nikolai V. Gaponenko et autres

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High luminous efficiency and Ultra-Stable CsPbBr3@CsPb2Br5:Sr core-shell microplate for white light emitting diodes

Chen Zhang, Minqiang Wang, Zheyuan Da, Jindou Shi et autres

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In Situ Growth of Lead‐Free Double Perovskite Micron Sheets in Polymethyl Methacrylate for X‐Ray Imaging

Jindou Shi, Zeyu Wang, Luxia Xu, Junnan Wang et autres

Abstract Pb‐free double‐perovskite (DP) scintillators are highly promising candidates for X‐ray imaging because of their superior optoelectronic properties, low toxicity, and high stability. However, practical applications require Pb‐free DP crystals to be ground and mixed with polymers to produce scintillator films. Grinding …

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