新型聚合物太阳能电池电子受体材料的制备及热稳定性

Preparation and Thermal Stability of a Novel Electron Acceptor Material of Polymer Solar Cells

该文合成了一种类PCBM([6,6]-苯基-C61-丁酸甲酯)富勒烯衍生物[6,6]-苯基-C61-丁酸异丙酯(PCBIP)。利用UV-Vis、FTIR、1HNMR、13CNMR、MS和元素分析对产物进行了表征。理论计算其LUMO和HOMO能级比PCBM高0.029 eV。通过差热和热重分析对PCBIP的热稳定性进了探讨,结果表明,PCBIP热稳定性良好,在空气中200℃未见分解。可作为受体材料应用于聚合物太阳能电池。

A new PCBM-like fullerence derivative [ 6, 6 ]-phenyl-C61-butyric acid isopropyl ester （PCBIP） was designed and synthesized. The structure of PCBIP was characterized by means of UV-Vis, FTIR, ^1 HNMR,^ 13 CNMR, MS and elemental analysis techniques. By simulate calculation, the LUMO and HOMO level of PCBIP is higher than that of PCBM by 0. 029 eV. The thermal stability of PCBIP was studied by differential thermal analysis （DTA） and thermogravimetric analysis （ TG）, and the results prove that PCBIP has good thermal stability. It is expected that the open-circuit voltage （Voc） and energy conversion efficiency（PCE） of polymer solar ceils can be improved when PCBIP is used as the acceptor material.