Synthesis of a Series of Novel Organic Compounds with Two-photon Absorption and Two-photon pumped La

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A series of novel organic compounds named as CSPI, DPASPI, PSPI DEASPI and HEASPI respectively, with large two-photon absorption has been synthesized and their structures have been determined by 1HNMR and elemental analysis. The highest two-photon pumped
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