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以三氯硫磷为原料,用相转移催化方法(PTC)在碱性条件下与长链醇作用合成了两个O,O—二烷基硫代磷酰氯,然后经过氨解、缩合反应合成了两个新的长链双(硫代磷酰基)亚胺;确定了最佳反应条件:在合成烷氧基硫代磷酰氯时,用四丁基溴化铵(TABA)作相转移催化剂,三氯硫磷、醇、氢氧化钠物质的量比为1:2:2.5,反应时间为3~4h,反应温度为40℃,二氯甲烷作溶剂;在合成长链双(硫代磷酰基)亚胺化合物时,以NaH作催化剂效果最好;用元素分析、IR、^1HN—MR对化合物进行了表征。 相似文献
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通过Stille偶联聚合方法合成一种新型的Pechmann类窄带隙聚合物(PBDTTP),并将其应用到太阳能电池的研究中。PBDTTP具有高的相对分子质量、良好的溶解性能与成膜性能。紫外-可见吸收光谱表明,在薄膜状态下,PBDTTP的吸收范围在300~900 nm之间,其最大吸收峰位置在748 nm,相应的光学带隙为1.37 eV。光伏器件的结构为(ITO)/PEDOT:PSS/PBDTTP:PC_(71)BM/A1,初步的器件结果显示,当PBDTTP与PC_(71)BM质量比为1:2时,光伏器件具有最高的能量转换效率(PCE),为1.03%,对应的开路电压(V_(oc))为0.75 V,短路电流密度(J_(sc))为2.24 mA/cm~2,填充因子(FF)为61.2%。 相似文献
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Synthesis and Photoluminescence Properties of Rare Earth Complexes with 3-Allyl-2, 4-Pentanedione 总被引:1,自引:0,他引:1
In order to combine the merits of rare earth organic complexes with excellent material performances of polymers,a polymerizable chelating agent, 3-allyl-2, 4-pentane dione (APD), was synthesized by phase transfer catalysis and its rare earth complexes were prepared. The compounds were characterized by EA, IR and ^1H NMR. Their UV spectra and fluorescence spectra were investigated. The effects of allyl on the luminescence properties of the complexes were studied.The results show that the sensitization of APD is changed by allyl in comparison with that of acetyl acetone (acac), and it becomes an ideal novel ligand of Eu. In addition, intramolecular energy transfer mechanism in the luminescence process in the complexes was also discussed in detail. 相似文献
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Two soluble copolymers of fluorenone and dioctoxylbenzene(PFN) or anthracene(PFNAn) were synthesized through Heck polymerization,and were characterized by gel permeation chromatography(GPC),FT-IR,1H-NMR,elemental analysis and thermogravimetric analysis.The polymers possess good solubility in common organic solvents and high thermal stability with the onset decomposition temperature at higher than 410 ℃.The photophysical properties of the polymers were investigated in both solutions and spin-coated films.Cyc... 相似文献
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以氟代苯环烷氧链为侧链,将喹喔啉引入稠环电子受体的中间核,设计合成了七元稠环电子受体材料PhQx-2FIC。分子中多条烷基链的存在保证了PhQx-2FIC在常用有机溶剂中具有良好的溶解性,且在300~800 nm范围内有较强吸收。以PBDB-T为给体材料,器件的能量转化效率(PCE)为6.98%。添加质量分数为0.5%的氯萘(CN)和经110 ℃热退火处理后,器件的激子解离激离及收集效率得到提高,有更合适的相分离尺寸,基于PBDB-T/PhQx-2FIC(w(PBDB-T):w(PhQx-2FIC)=1.0:1.2)共混膜的器件PCE达到7.74%。 相似文献
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合理设计具有强和宽吸收的聚合物受体有助于提高光伏性能.本文以七环苯并三氮唑(Y9-C16)为构筑单元,噻吩为连接单元合成一个新型聚合物受体材料PY9-T.该受体材料的薄膜具有较低的带隙(1.37 eV)和较高的消光系数(1.44×105 cm?1).当PY9-T与宽带隙聚合物给体PBDB-T共混时,制备全聚合物太阳电池... 相似文献
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