Scintillation Properties of Composite Stilbene Crystal for Neutron Detection

Lee, Seung Kyu; Cho, Yun Ho; Kang, B. H.; Lee, Woo Gyo; Kim, Jong Kyung; Kim, Gi Dong; Galunov, N.Z.; Kim, Yong Kyun

doi:10.15669/pnst.1.292

Cited by 13 publications

(2 citation statements)

References 6 publications

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“…Solid stilbene compounds are usually of trans -stilbene (Tstilbene) form and have been used in engineering scintillating devices and possess the ability to distinguish between the effects caused by different illumination. 17 However, knowledge of their internal structure is still lacking. Possible technological applications require extensive knowledge of photophysical processes of various complex heterostructured materials based on stilbene.…”

Section: Introductionmentioning

confidence: 99%

Two phases of trans-stilbene in a polystyrene matrix

Karpicz,

Kareivaite,

Macernis

et al. 2023

Phys. Chem. Chem. Phys.

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Section: Introductionmentioning

confidence: 99%

Two phases of trans-stilbene in a polystyrene matrix

Karpicz,

Kareivaite,

Macernis

et al. 2023

Phys. Chem. Chem. Phys.

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“…We called the materials of the first type (van der Waals ceramics) as organic polycrystals, and those of the second type as composite scintillators. The community started to study those ideas more actively after 2011, when it was proved that the unique properties are inherent to composite scintillators containing not only organic-scintillator grains, but also grains of inorganic scintillation crystals [3][4][5][6][7][8][9][10][11]. After our first publications, our colleagues from the Niederlands, the Republic of Korea (the South Korea), Poland, and the Russian Federation started to actively develop this problem.…”

Section: Introductionmentioning

confidence: 99%

Composite Scintillators and Some Features of Their Radiation Resistance

Krech

Galunov

2017

Ukr. J. Phys.

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COMPOSITE SCINTILLATORS AND SOME FEATURES OF THEIR RADIATION RESISTANCE PACS 42.88.+h, 81.05.Zx, 81.40.Wx Nowadays, composite scintillators find applications in a growing number of tasks dealing with the detection of ionizing radiation. They have several advantages in comparison with other scintillation materials. With the emergence of a new generation of accelerators, the radiation load on detectors is significantly increased. Therefore, the development of materials with high radiation resistance for radiation detectors becomes an important task. We propose to apply composite scintillators as radiation-resistant materials. The most important factor is that irradiation can significantly modify the characteristics of a scintillation material. The aim of this work was to study the specific features of possible radiation-induced damages and transformations in composite scintillators under the action of ionizing radiation. A comparative analysis of the relative light yield, transmittance, and luminescence spectra, as well as their dependences on the accumulated dose, is carried out for various composite scintillators containing grains of organic or inorganic single crystals, such as Gd2SiO5:Ce, Gd2Si2O7:Ce, Al2O3 : Ti, Y2SiO5:Ce, and Y3Al5O12:Ce. Probable mechanisms of radiation-induced changes occurring in scintillators under irradiation are proposed, and the influence of those processes on the radiation resistance of composite scintillators is analyzed. K e y w o r d s: composite scintillators, radiation resistance.

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A Synthetic Amino Acid Residue Containing A New Oligopeptide‐Based Photosensitive Fluorescent Organogel

Maiti

Banerjee

2012

Chemistry An Asian Journal

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A synthetic amino acid (with a stilbene residue in the main chain) containing a tripeptide-based organogelator has been discovered. This peptide-based synthetic molecule 1 self-assembles in various organic solvents to form an organogel. The gel has been thoroughly characterized by using various microscopic techniques including field-emission scanning electron microscopy (FESEM), atomic force microscopy (AFM), X-ray diffraction (XRD), UV-visible and fluorescence spectroscopy, and rheology. Morphological investigations using FESEM and AFM show a nanofibrillar network structure. Interestingly, the organogel is photoresponsive and a gel-sol transition occurred by irradiating the gel with UV light of 365 nm for 2 h as shown by the UV and fluorescence study. This photoresponsive fluorescent gel holds promise for new peptide-based soft materials with interesting applications.

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Scintillation Properties of Composite Stilbene Crystal for Neutron Detection

Cited by 13 publications

References 6 publications

Two phases of trans-stilbene in a polystyrene matrix

Two phases of trans-stilbene in a polystyrene matrix

Composite Scintillators and Some Features of Their Radiation Resistance

A Synthetic Amino Acid Residue Containing A New Oligopeptide‐Based Photosensitive Fluorescent Organogel

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