采用溶液浸渍提拉法制备了β型PVDF压电聚合物薄膜,采用X衍射、扫描电镜等手段测定了PVDF薄膜的物相结构,结晶形态及薄膜厚度等.结果表明,基板的诱导作用使PVDF在较低温度下结晶形成极性的正交β相晶,在较高温度下结晶形成非极性的单斜相α晶.在低温下得到的PVDF薄膜中β晶呈典型的球晶结构,晶粒粒径随着膜厚的增加而增大,α晶体颗粒的堆积疏松,薄膜致密性差;在较高温度下形成的α晶相,以二维生长为主,晶粒大小随着膜厚的增加基本上保持不变,晶颗粒间接触紧密,薄膜致密性好.
参考文献
| [1] | T.Kaura, V.Bharti, J. Polym. Sci., 11, 295(1994) |
| [2] | A.Tawansi, A.H.Oraby, E.M.Abdelrazek, J. App. Polym. Sci., 70, 1437(1998) |
| [3] | Changxing Cui, Ray H.Baughman, Sensors and Actuators A, 65, 76(1998) |
| [4] | D.Glennon, P. A.Cox, R.J.Ewen, J. Mater. Sci., 33, 3511(1998) |
| [5] | Lin Li, Minoru Mizuhata, Akihiko Kajinami, Synthesis Metals, 146(1), 17(2004) |
| [6] | S.Venkatachalam, Rajendra Kumar, Solid-State Electronics, 48(12), 2219(2004) |
| [7] | S.Izumi, S.Hara, T.Kumagai, S.Sakai, Thin Solid Films, 467(1～2), 253(2004) |
| [8] | E.C.F Souza, A.Z.Simoes, M.Cilense, Mater. Chem. Phys., 88(1), 155(2004) |
| [9] | M.Hughes, George Z Chen, Comp. Sci. and Tech., 64(15), 2325(2004) |
| [10] | M.Thamilselvan, K Prem Nazeer, Mater. Res. Bul., 39(12), 1849(2004) |
| [11] | H.Banno, K.Ogura, Jap. J. Appl. Phys., 30(9B), 2247(1991) |
| [12] | G.T.Davis, J.E.McKinney, M.G.Broadhurst, J. Appl. Phys., 49(10), 4998(1978) |
| [13] | David L Winsor, J. Polym. Sci: Part B, 34, 2967(1996) |
| [14] | Michiko Tazaki, J. Polym., 44, 1517(1997) |
| [15] | G.T.Davis, J.E.Mckinney, J. Appl. Phys., 49(10), 4998(1978) |
| [16] | Yang Huaming, Multipurpose Utilization of Mineral Resources, 6, 29(1995) |
| [17] | Ronald L. Jones, Sanat K. Kumar, Derek L. Ho, Nature, 400(8), 146(1999) |
| [18] | C.W.Frank, V.Rao, Science, 273(16), 912(1996) |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%