Relationships between lithium and sodium nanoparticles and color centers formation in LiF and NaF crystals with hydroxide and magnesium ions impurities

Bryukvina, L. I.; Иванов, Н. А.; Nebogin, S. A.

doi:10.1016/j.jpcs.2018.04.001

Cited by 13 publications

(11 citation statements)

References 57 publications

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“…For C-P film, it was assumed that the precipitation of CMC (the bulges) during the drying process was assigned to the poor water solubility of CMC. [41] Meanwhile, vast pinstripes were shown in the surface of G-P film (Figure 1b) due to the excellent stretchability and weak tensile stress (Figure 1f). [41] Meanwhile, vast pinstripes were shown in the surface of G-P film (Figure 1b) due to the excellent stretchability and weak tensile stress (Figure 1f).…”

Section: Resultsmentioning

confidence: 99%

“…[39] For F-P film, it was assumed that the crystalline precipitation (the bulges) of NaF was attributed to the weak connection between NaF and pullulan (Figure S1, Supporting Information and Figure 1e). [41] Meanwhile, vast pinstripes were shown in the surface of G-P film ( Figure 1b) due to the excellent stretchability and weak tensile stress ( Figure 1f). When it came to the cross-section SEM characterizations (Figure 1c), all pullulan-based films performed the analogous dense morphology and thin thickness ( Figure S4, Supporting Information), which would influence the electric performance of the pullulan-based TENGs.…”

Section: Resultsmentioning

confidence: 99%

“…The broad peaks at 2θ = 19° for pullulan-based films were attributed to the compact arrangement of the pullulan molecules through the hydrogen bond interactions, [35] illustrating the amorphous crystal structure and the leading position of pullulan in pullulan-based films. [41] Thus, the F-P film was presented a mixture of amorphous and crystalline crystal structure. For B-P and C-P films, the peak intensities at 2θ = 19° were less intense than that of the P-P film, displaying a more amorphous crystal structure characterization.…”

Section: Wwwadvmattechnoldementioning

confidence: 99%

“…It was assumed that the introduction of NaF played a positive role in the appearance of crystalline crystal structure. [41] Thus, the F-P film was presented a mixture of amorphous and crystalline crystal structure.…”

Section: Wwwadvmattechnoldementioning

confidence: 99%

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A Flexible, Recyclable, and High‐Performance Pullulan‐Based Triboelectric Nanogenerator (TENG)

Ping

et al. 2019

Adv Materials Technologies

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interests on the material engineering, [10,11] structure modification, [12][13][14][15][16] and practical applications. [17][18][19][20][21] However, there are several limitations on biomedical and biowearable applications for TENGs due to the synthetic polymers and nonbiocompatibility of the majority ongoing TENGs. Thus, the natural biomaterialsbased TENGs [22] have immensely attracted the researcher's attentions with the merits of biocompatibility, low cost, and plentiful raw materials. [23][24][25] Wang et al. [24] reported a biodegradable and flexible chitosanbased TENG (chitosan was derived from chitin) and explored the feasibility of laser processing of constituent materials. Jiang et al. [25] developed various fully bioabsorbable natural-materials-based TENGs, which were used as an in vivo voltage source to accelerate the beating rates of dysfunctional cardiomyocyte clusters and improve the consistency of cell contractions. Generally, the natural biomaterials, prepared into bio-TENGs, are mainly divided into two strategies, including natural proteins and polysaccharides. [23] Therein, many other polysaccharides [26][27][28][29] with unique properties are supposed to be researched and optimized for the better electric performance and bioapplications of the bio-TENGs.Pullulan, produced by the yeast-like funguses, [30] is a linear and unbranched micro-organismal polysaccharide with maltotriose repeating units connected by α−(1 → 6) glycosidic bonds. [31] In the past several decades, pullulan and its derivatives have been widely applied in biomedical, [31] food, [32] pharmaceutical, [33] and petroleum industries [34,35] with the properties of nonmutagenicity, water solubility, editability, [36] nontoxicity, biodegradation, [37] biocompatibility, nonimmunogenicity, and noncarcinogenicity. To our knowledge, there is no research about TENGs or wearable devices fabricated with pullulan. Moreover, the excellent properties of pullulan make it possible to design and adjust the composite of the pullulan film, which is more suitable for TENGs and the biowearable devices. Here, we develop a flexible, recyclable, and highperformance pullulan-based TENG to harvest and transform mechanical energy into electric energy. The physical and chemical characterizations and output performance are investigated to optimize the composite and thickness of the pullulan-based TENGs. Then, the feasibility of the pullulan-based TENGs as the wearable device is explored. Finally, we investigate the recycling performance of the pullulan-based TENG, evaluated by the open-circuit voltage of the as-fabricated TENGs.The developments of natural biomaterials-based triboelectric nanogenerators (TENGs) have been emerged with the extensive and promising requirements in biomedical and biowearable fields due to the properties of renewability, cost-effectivity, biocompatibility, and biodegradability. In this work, a flexible, recyclable, and high-performance pullulan-based TENG, fabricated with pullulan and other additives, is developed. Based on the ope...

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Wwwadvmattechnoldementioning

confidence: 99%

Section: Wwwadvmattechnoldementioning

confidence: 99%

See 2 more Smart Citations

A Flexible, Recyclable, and High‐Performance Pullulan‐Based Triboelectric Nanogenerator (TENG)

Ping

et al. 2019

Adv Materials Technologies

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“…Рис. 1 демонстрирует, что ИК-спектр молекулярных комплексов с водородной связью при воздействии света на радиационно-обработанный кристалл кардинально изменяется (в отличие от результатов статей [33,50] [38,40,43,47,[52][53][54]. На следующей стадии обесцвечивания (30 h от начала высвечивания) все полосы уменьшились.…”

Section: результаты экспериментов и их обсуждениеunclassified

Преобразования радиационно-наведенных молекулярных точечных дефектов и центров окраски в кристаллах LiF под воздействием света

Брюквина¹

2019

Физика Твердого Тела

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The effect of UV light and light pulses of the integral light of lamps on γ-irradiated LiF crystals with impurities of hydroxyl ions and magnesium were investigated. The optical absorption and luminescence of color centers at different stages bleaching depending on the exposure time of the crystal under UV light or from the number of light pulses were studied. IR spectra of molecular complexes with hydrogen bond and hydroxyl ions at different stages of bleaching are present. The transformation of complexes with a strong hydrogen bond in complexes with a weak hydrogen bond, and vice versa under the action of light are shown. It is presented as molecular complexes with hydrogen bond affect transformations color centers in the process of crystal bleaching.

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Kinetics of lattice defects induced in lithium fluoride crystals during irradiation with swift ions at room temperature

Sorokin

Schwartz

Dubinko

et al. 2020

Nuclear Instruments and Methods in Physics Research Section B:

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Relationships between lithium and sodium nanoparticles and color centers formation in LiF and NaF crystals with hydroxide and magnesium ions impurities

Cited by 13 publications

References 57 publications

A Flexible, Recyclable, and High‐Performance Pullulan‐Based Triboelectric Nanogenerator (TENG)

A Flexible, Recyclable, and High‐Performance Pullulan‐Based Triboelectric Nanogenerator (TENG)

Преобразования радиационно-наведенных молекулярных точечных дефектов и центров окраски в кристаллах LiF под воздействием света

Kinetics of lattice defects induced in lithium fluoride crystals during irradiation with swift ions at room temperature

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