Crystallinity characteristics of PUE films.
| Sample | 2θ, ° | Crystal plane | I | PWH |
|---|---|---|---|---|
| Control | 20.11 | −111 | 838 | 0.466 |
| 23.40 | 200 | 424 | 0.481 | |
| BPUE0.5 | 20.14 | −111 | 942 | 0.374 |
| 23.44 | 200 | 321 | 0.703 | |
| BPUE1 | 20.32 | −111 | 1042 | 0.367 |
| 23.66 | 200 | 653 | 0.728 | |
| BPUE5 | 11.48 | 006 | 106 | 0.306 |
| 20.08 | −111 | 314 | 0.572 | |
| 23.29 | 200 | 386 | 0.802 | |
| BPUE10 | 11.48 | 006 | 83 | 0.237 |
| 20.29 | −111 | 826 | 0.390 | |
| 23.57 | 200 | 522 | 0.725 |