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Efficient and stable emission of warm-white light from lead-free halide double perovskites
Nature, 2018Edward H Sargent +2 more
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Chemical Physics Letters, 1989
Abstract Cyanogen absorption, excitation and dispersed fluorescence spectra have been measured in the 220 nm region. The radiative lifetime is 1.34 μs under collisionless conditions. The fluorescence spectrum following excitation of the 4 0 1 band consists of four simple progressions.
Samuel A. Barts, Joshua B. Halpern
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Abstract Cyanogen absorption, excitation and dispersed fluorescence spectra have been measured in the 220 nm region. The radiative lifetime is 1.34 μs under collisionless conditions. The fluorescence spectrum following excitation of the 4 0 1 band consists of four simple progressions.
Samuel A. Barts, Joshua B. Halpern
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Influence of Emission Spectrum and Irradiance on Light Curing of Resin-Based Composites.
Operative dentistry, 2017PURPOSE This study examined the influence of different emission spectra (single-peak and broad-spectrum) light-curing units (LCUs) delivering the same radiant exposures at irradiance values of 1200 or 3600 mW/cm2 on the polymerization and light ...
Cak Shimokawa +4 more
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Emission spectrum of Cs2AgEuCl6
Journal of Alloys and Compounds, 1995Abstract The emission spectrum of Cs2AgEuCl6, which has the elpasolite structure, has been measured at 77 K in the wavelength range 460–700 nm. Transitions were found from 5D0, 5D1 and 5D2 to the 7F0, 7F1, 7F2, and 7F3 components of the ground state.
H.-D. Amberger +2 more
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Chemical Physics Letters, 1991
Abstract Laser excitation at 206–232 nm of a supersonic free jet of Cd(CH3)2 produced an emission due to one-photon absorption from vibrationally cold A CdCH3. The 0—0 line was at 444.1 nm and ground-state vibrational frequencies of 345 cm−1 (CdCH3 stretch) and 998 cm−1 (CH3 umbrella mode) were measured. Much stronger emissions caused by multiphoton
Abraham Penner +2 more
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Abstract Laser excitation at 206–232 nm of a supersonic free jet of Cd(CH3)2 produced an emission due to one-photon absorption from vibrationally cold A CdCH3. The 0—0 line was at 444.1 nm and ground-state vibrational frequencies of 345 cm−1 (CdCH3 stretch) and 998 cm−1 (CH3 umbrella mode) were measured. Much stronger emissions caused by multiphoton
Abraham Penner +2 more
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Proceedings of the Indian Academy of Sciences - Section A, 1972
The bands of PrO at 8488.95 A and 7986.44 A of system I and at 7662.85 A of system III have been photographed on 6.6 meter concave grating spectrograph at a dispersion of 1.2 A/mm and their rotational structure analysed. They are assigned transitions fromv′ = 0 and 1 levels of A2 Δ5/2 andv′ = 0 level of B2 Δ5/2 to a commonv′’ = 0 level of the ground ...
T. V. Venkitachalam +2 more
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The bands of PrO at 8488.95 A and 7986.44 A of system I and at 7662.85 A of system III have been photographed on 6.6 meter concave grating spectrograph at a dispersion of 1.2 A/mm and their rotational structure analysed. They are assigned transitions fromv′ = 0 and 1 levels of A2 Δ5/2 andv′ = 0 level of B2 Δ5/2 to a commonv′’ = 0 level of the ground ...
T. V. Venkitachalam +2 more
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On the emission spectrum of HfS [PDF]
Physica Scripta, 1994 The microwave induced emission spectrum of gaseous HfS has been studied in the region 11 000-21 000 cm−1. Six band systems, not previously observed, have been photographically recorded in grating spectrographs and rotationally analysed. Five of the transitions terminate on a common lower state, the X1Σ state.
J. Jonsson, A.G. Taklif, G. Edvinsson
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