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pro vyhledávání: '"521"'
Autor:
Peter J. Craig
Publikováno v:
Applied Organometallic Chemistry. 7:224-224
Publikováno v:
Luminescence. 32:680-684
Eu-doped aluminum nitride phosphors were successfully prepared using simple direct nitridation of a metallic aluminum and Eu2 O3 powder mixture in flowing ammonia. AlN formed at reaction temperatures >900°C, and Eu3+ transformed into the secondary o
Publikováno v:
Luminescence. 20:389-394
Heavy atom-chelated filter paper was synthesized and used as the substrate for room-temperature phosphorescence (RTP). The synthesis conditions for chelated paper were studied. The Pb-chelated filter paper could selectively induce the RTP of α-napht
Autor:
Joseph Wontcheu, Thomas Schleid
Publikováno v:
Zeitschrift für anorganische und allgemeine Chemie. 628:1941-1945
The colourless title compound Tb2Se2O7 (≡ Tb2O [SeO3]2, terbium(III) oxide oxoselenate(IV)) was obtained by reacting a mixture of Tb4O7, Tb and SeO2 in a 3:2:14-molar ratio at 850 °C for seven days in an evacuated silica vessel as needle-shaped si
Publikováno v:
Zeitschrift f�r anorganische und allgemeine Chemie. 542:182-192
Die Titelverbindung [(H2N)2CCH3][S2CNC(CH3)NH2] kristallisiert mit Z = 4 monoklin in der Raumgruppe P21/n mit den Gitterdimensionen a = 10,354(1), b = 6,798(1), c = 14,013(1) A, β = 103,32(1)°. Die Kristallstruktur wurde aus rontgenographischen Ein
Autor:
Helmut Tautz, Alfred Schmidpeter
Publikováno v:
Chemische Berichte. 114:825-828
Four- and Five-membered Phosphorus Heterocycles, 521) Pentacyclic Diphosphoranes from the Reaction 2H-1, 2, 4, 3λ3-Triazaphosphole/Azodicarboxylic Esters Azodicarboxylic ester react with 2-methyl-5-phenyl-2H-1, 2, 4, 3λ3-triazaphosphole (1) as hete