The conducting thin film of charge - transfer salt based upon polyoxometalate[VW 5 O 19 ] 3- and bis(ethyl - enedithio) - tetrathiafulvalene(BEDT - TTF or ET)was fabricated on the gold substrate by electrochemical app...The conducting thin film of charge - transfer salt based upon polyoxometalate[VW 5 O 19 ] 3- and bis(ethyl - enedithio) - tetrathiafulvalene(BEDT - TTF or ET)was fabricated on the gold substrate by electrochemical approach.The sub - micronic grains uniformly covering the gold plate was evidenced by scanning electron microscope(SEM).The film of charge - transfer salt exhibits semiconducting behavior with a room - temperature conductivity4.8 × 10 -3 S·cm -1 .展开更多
在Cs OH的CH3OH/DMF溶液中,4,5-二(氰乙硫基)乙二硫撑四硫富瓦烯(1a),4,5-二(氰乙硫基)甲基乙二硫撑四硫富瓦烯(1b),4,5-二(氰乙硫基)丙二硫撑四硫富瓦烯(1c)和4,5-二(氰乙硫基)苯基四硫富瓦烯(2)分别与五(乙二醇醚)二-对甲苯磺酸盐经...在Cs OH的CH3OH/DMF溶液中,4,5-二(氰乙硫基)乙二硫撑四硫富瓦烯(1a),4,5-二(氰乙硫基)甲基乙二硫撑四硫富瓦烯(1b),4,5-二(氰乙硫基)丙二硫撑四硫富瓦烯(1c)和4,5-二(氰乙硫基)苯基四硫富瓦烯(2)分别与五(乙二醇醚)二-对甲苯磺酸盐经偶联反应合成了4个新型的非对称四硫富瓦烯环状冠醚衍生物(3a^3c和4),其结构经1H NMR,^(13)C NMR,ESI-MS和元素分析表征。用循环伏安法研究了3a^3c和4对碱金属离子(Na+,Li+,K+和Rb+)的响应性能。结果表明:2,3-二硫-(3',6',9',12'-四氧冠醚)-6,7-丙二硫代四硫富瓦烯(3c)和2,3-二硫-(3',6',9',12'-四氧冠醚)-6,7-苯基四硫富瓦烯(4)对Na+响应较明显,其△E1/21分别为30 m V和45 m V。展开更多
文摘The conducting thin film of charge - transfer salt based upon polyoxometalate[VW 5 O 19 ] 3- and bis(ethyl - enedithio) - tetrathiafulvalene(BEDT - TTF or ET)was fabricated on the gold substrate by electrochemical approach.The sub - micronic grains uniformly covering the gold plate was evidenced by scanning electron microscope(SEM).The film of charge - transfer salt exhibits semiconducting behavior with a room - temperature conductivity4.8 × 10 -3 S·cm -1 .
文摘在Cs OH的CH3OH/DMF溶液中,4,5-二(氰乙硫基)乙二硫撑四硫富瓦烯(1a),4,5-二(氰乙硫基)甲基乙二硫撑四硫富瓦烯(1b),4,5-二(氰乙硫基)丙二硫撑四硫富瓦烯(1c)和4,5-二(氰乙硫基)苯基四硫富瓦烯(2)分别与五(乙二醇醚)二-对甲苯磺酸盐经偶联反应合成了4个新型的非对称四硫富瓦烯环状冠醚衍生物(3a^3c和4),其结构经1H NMR,^(13)C NMR,ESI-MS和元素分析表征。用循环伏安法研究了3a^3c和4对碱金属离子(Na+,Li+,K+和Rb+)的响应性能。结果表明:2,3-二硫-(3',6',9',12'-四氧冠醚)-6,7-丙二硫代四硫富瓦烯(3c)和2,3-二硫-(3',6',9',12'-四氧冠醚)-6,7-苯基四硫富瓦烯(4)对Na+响应较明显,其△E1/21分别为30 m V和45 m V。