2013
DOI: 10.1134/s0030400x13030211
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Broadband copper luminescence in potassium-aluminum borate glasses

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Cited by 19 publications
(11 citation statements)
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“…The broad-band luminescence in the visible region of potassium-aluminoborate glasses with copper chloride (I) is caused by the presence in the glass matrix of luminescence centers in the form of molecular clusters of Cu n Cl m and Cu n O m (n, m 2 10). 27 The possibility that such clusters exist is also confirmed by theoretical papers, in which stable configurations are obtained of clusters of Ag n O (n 1 7), 12 Ag n Cl (n 2 7), 15 and Cu n CO (n 1 9). 28 As the excitation wavelength varies, the luminescence-intensity maximum is displaced along the spectrum ( Fig.…”
Section: Potassium-aluminoborate Glasses With Molecular Clusters and mentioning
confidence: 57%
“…The broad-band luminescence in the visible region of potassium-aluminoborate glasses with copper chloride (I) is caused by the presence in the glass matrix of luminescence centers in the form of molecular clusters of Cu n Cl m and Cu n O m (n, m 2 10). 27 The possibility that such clusters exist is also confirmed by theoretical papers, in which stable configurations are obtained of clusters of Ag n O (n 1 7), 12 Ag n Cl (n 2 7), 15 and Cu n CO (n 1 9). 28 As the excitation wavelength varies, the luminescence-intensity maximum is displaced along the spectrum ( Fig.…”
Section: Potassium-aluminoborate Glasses With Molecular Clusters and mentioning
confidence: 57%
“…A large variety of glasses have been developed with luminescent centers in the form of molecular clusters (MCs) of silver, [13][14][15][16][17][18][19][20] MCs of copper compounds, [21][22][23][24] and MCs and quantum dots of cadmium and lead chalcogenides. [25][26][27][28] Silicate glasses with neutral silver MCs were chosen from this variety for this paper, since they are optimal in the following parameters: High chemical stability of the glass matrix, high (20-60%) quantum yield 29 of the luminescence of the silver MCs, and spectral coincidence of the luminescence band of the silver MCs with the spectral-sensitivity band of silicon photodiodes.…”
Section: Experimental Techniquementioning
confidence: 99%
“…Так, в ряде работ показано, что нейтральные МК Cu n (n ≤ 8-14) в жидких средах имеют характерные полосы поглощения 212, 231, 285, 290, 364 и 443 нм [13][14][15]. Образование нейтральных МК меди в калиево-алюмоборатном стекле было отмечено в работе [16]. Необходимо отме-тить, что образование МК меди, как нейтральных, так и заряженных, возможно лишь в случае присутст-вия в стекле некоторого количества нейтральных атомов меди, так как ионы меди не могут формировать МК из-за кулоновского отталкивания.…”
Section: экспериментальные результаты и обсуждениеunclassified