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1.3 μm InGaAsN/ GaAs Lasers Grown by MOCVd Using TBAs and dMHy Sources

光学学报 2003年第S1期23卷 325-326页

作者： Gray Lin C. M. Lu C. H. Chiou I. F. Chen T. d. Lee J. Y. Chi d.a. livshits Industrial Technology Research Institute Hsinchu 310 TaiwanIndustrial Technology Research Institute Hsinchu 310 TaiwanIndustrial Technology Research Institute Hsinchu 310 TaiwanIndustrial Technology Research Institute Hsinchu 310 TaiwanIndustrial Technology Research Institute Hsinchu 310 TaiwanIndustrial Technology Research Institute Hsinchu 310 TaiwanA. F. loffe Physico Technical Institute St. Petersburg 194021 Russia

We have demonstrated InGaAsN/ GaAs single quantum well (SQW) lasers grown by MOCVd using TBAs and dMHy sources. For un-buffer-strained InGaAsN/GaAs system, our SQW lasers of 1.3μm range is among the best in terms of ... 详细信息

关键词： GaAs Lasers Grown by MOCVd Using TBAs and dMHy Sources in as have MOCVd m InGaAsN by

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Ad.a.ced Polymer Electrolytes for High-energy-density Power Sources

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复旦学报（自然科学版） 2005年第5期44卷 670-671页

作者： d. Golodnitsky E. livshits R. Kovarsky E. Peled School of Chemistry Tel Aviv UniversityTel Aviv 69978Israel

The preparation of highly controlled thin films of lithium ion conducting organic materials is becoming a challenging but rewarding goal in view of obtaining high-performance technological devices like solid-state polymer batteries and capacitors. The classical polymer electrolyte consists of organic macromolecules (usually polyether polymer) that are doped with inorganic (typically lithium) salts. Poly(ethylene oxide) (PEO) is the most commonly employed polymer in PEs because of the peculiar array in the (-CH2-CH2-O-)n chain providing the ability to solvate low-lattice-energy lithium salts. For three decades the major research attention was focused on amorphous polymer electrolytes in the belief that ionic conductivity occurs in a manner somewhat analogous to gas diffusion through polymer membranes. Segmental motion of the polymer chains continuously creates free volume, into which the ions migrate, and this process allows ions to progress across the electrolyte. Such a view was established by a number of experiments, and denied the possibility of ionic conductivity in crystalline polymer phases. This concept has been recently overturned by our group, demonstrating that conductivity comes about as a result of permanent conducting pathways for the movement of ions.

关键词：锂电池聚合体电解液电化学高能密度

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