Citation: Yan REN, Guang Yong ZHOU, Chun WANG, Xiao Mei WANG, Zhi LIU, Xian ZHAO, Wen Tao YU, Min Hua JIANG. A New Organic Up-conversion Laser Dye HEASPS[J]. Chinese Chemical Letters, ;2000, 11(8): 685-688. shu

A New Organic Up-conversion Laser Dye HEASPS

State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100

Received Date: 24 January 2000

A new organic dye, trans-4-[p-(N-hydroxyethyl-N-ethylamino)styryl]-N-methyl-pyridinium p-toluene sulfonate (HEASPS) has been synthesized and its structure has been determined. Pumped with a 1064 nm, 50 ps laser pulses, 0.05 mol/L HEASPS/DMF solution showed the two-photon pumped (TPP) output/input efficiency of 9.1% which is higher than that of known TPP laser dyes trans-4-[p-(N-hydroxyethyl-N-methylamino) styryl]-N-methylpyridinium iodide (ASPI) and trans-4-[p-(N-hydroxyethyl-N-methylamino) styryl]-N-methylpyridinium p-toluene sulfonate (HMASPS) at the same experimental conditions.
- C₂₅H₃₀N₂O₄S,
- TPP,
- up-conversion,
- laser dye
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