Non-isothermal Crystallization Behaviors of N,N,N',N'-Tetraphenylbenzidine (TPB)

1. Non-isothermal Crystallization Behaviors of N,N,N',N'-Tetraphenylbenzidine (TPB) Reporter：Xiaosi Ma Tutor： Prof. Shirong Wang School of chemical engineering and technology, Tianjin University, China

2. Outline 1 Introduction 2 Results and Disscusion 3 Conclusion

3. 1 Introduction thin and light flexional wide viewing angle low operating voltage fast response self-luminous high luminous efficiency

4. 1 Introduction

5. Hole transporting materials appropriate energy level of HOMO and LUMO high thermal stability good film forming ability high mobility 1 Introduction

6. 1 Introduction Hydrazone derivatives Pyrazoline derivatives Carbazole derivatives Triphenylamine derivatives Styrene derivatives

7. 2 Results and Discussion Result Fig. 1 The cold crystallization curves of TPB

8. 2 Results and Discussion Jeziorny method Avrami equation ln[- ln(1- Xt)] = ln Zt + nln t Jeziorny equation ln Zc = ln Zt /Φ Fig. 2 The Avrami curves of TPB Tab. 1 The Jeziorny parameters of TPB

9. 2 Results and Discussion Ozawa method Ozawa equation ln[-ln(1-Xt)]=lnK–mlnΦ Fig. 3 The Ozawa curves of TPB Tab. 2 The Ozawa parameters of TPB

10. 2 Results and Discussion Mo method Mo equation lnΦ = ln F(T) -αln t Fig. 6 The Mo curves of TPB Tab. 3 The Mo parameters of TPB

11. 2 Results and Discussion XRD Fig. 7 The DSC curve of TPB Fig. 8 The XRD patterns of TPB

12. 3 Conclusion 双击添加标题文字 2 The crystallization rate of TPB increases with the heating rate 1 2 The nucleation type is affected by the heating rate

13. Acknowledgment Financial Support National Natural Science Found-ation of China (21176180)  National High Technology Research and Development Program of China (2012AA030607) 13

14. Thanks for your attention！