多次受邀参加国际学术大会作报告并担任分会主席。

邀请报告：

1. X.T. Hao, Unraveling the fundamental mechanism of synergistic effect in ternary bulk-heterojunction organic solar cells, SPIE NanoPhotonics Australasia 2017, 10-13 December 2017, Melbourne, Australia.

2. X.T. Hao, Photophysics in plasmon-enhanced organic solar cells, The 11th Asian-European International Conference on Plasma Surface Engineering (AEPSE2017), 12-15 September 2017, Jeju, South Korea.

3. 郝晓涛， 有机光电薄膜中的微纳结构与光物理，中国材料大会2017，2017年7月8-12日，中国银川市。

4. 郝晓涛，Spatial and Temporal Visualizing Exciton Dynamics in Organic Photovoltaic Materials, 第十届全国有机发光和光电性质学术会议，2017年7月7日-10日，中国太原。

5. X.T. Hao, Understanding Morphology and Photophysics in Organic Photovoltaic Bulk Heterojunctions, The 2nd International Conference on Organic Optoelectronics, 11-13 November 2016, Ningbo, China.

6. X.T. Hao, Optical spectroscopy and microscopy on organic optoelectronic thin films, The 17th IUMRS International Conference in Asia (IUMRS-ICA 2016), 20-24 October 2016, Qingdao China.

7. X.T. Hao, The morphology and photophysical dynamics in light emitting polymer films, The 18th International Workshop on Inorganic and Organic Electroluminescence (EL2016), 21-24 July 2016, Taiyuan, China.

8. X.T. Hao, Fundamental Mechanism and Device Performance in Ternary Organic Bulk Heterojunctions, The 8th International Conference On Technological Advances Of Thin Films and Surface Coatings (ThinFilms2016), 12-15 July 2016, Singapore.

9. X.T. Hao, Unraveling the Fundamental Mechanism of Synergistic Effect in Ternary Organic Bulk Heterojunctions, IUMRS-MRSS 2016 International Conference on Electronic Materials (ICEM2016), 4-8 July 2016, Singapore.

10. 郝晓涛，聚合物光伏体系中的微纳形态结构、电荷分离和能量转移，2015年泰山学术论坛---纳米光电技术与新能源产业专题，2015年11月6-8日，山东青岛。

11. 郝晓涛，有机半导体固态微纳结构与光物理过程的关联，第四届低维物理暨第一届有机固体物理研讨会，2015年10月16-18日，山东曲阜。

12. X.T. Hao, Hydrogenated oxide semiconductor films by sputtering, The 22nd International Conference on Ion-Surface Interactions (ISI-2015), 20-24 Aug 2015, Moscow.

13. 郝晓涛，Imaging the photophysical dynamics of conjugated polymer films at high spatial and temporal resolution, 有机光电子学研讨会，2015年8月5-6日，湖南衡阳。

14. X.T. Hao, Nanomorphology and Photophysical Properties in Heterogeneous Polymer Blend Films(Invited talk), The 1st International Conference on Nanoenergy and Nanosystems, 8-10 Dec 2014, Beijing.

15. X.T. Hao, Photophysical processes in morphology-controllable conjugated polymer based bulk heterojunctions (Invited talk), 8th Asian Photochemistry Conference 2014 (APC 2014), Nov 10-13, 2014, Trivandrum, India

16. 郝晓涛，第四届全国凝聚态物理青年科学家论坛，2014年11月7-9日，上海。

17. X.T. Hao, Solid state characteristics in morphology-controllable conjugated polymer photovoltaic materials (Invited talk), 2014 Energy Materials Nanotechnology Open Access Week Meeting, Sept 22-25, 2014, Chengdu, China.

18. 郝晓涛, 形态可控共轭聚合物薄膜中的光致激发动力学 (大会邀请报告), 第六届全国信息光学与光子学学术会议暨国际信息光学技术研讨会（CIOP 2014）, 2014年7月22-27日, 长春。

19. X.T. Hao, Controllable physical properties in external field induced conjugated polymers films (Invited talk), 2014 Collaborative Conference on Materials Research (CCMR), June 23 – 27, 2014, Seoul, South Korea.

20. 郝晓涛，The correlation between morphology and electronic structure in conjugated polymer films （邀请报告）, 中国物理学会2013年秋季学术会议（CPS2013），2013年9月12-15，厦门。

21. X.T. Hao, Correlating morphology and electronic structure in thin films of heterogeneous polymer blends (Invited lecture), Collaborative Conference on Materials Research (CCMR) 2013, 23-28 June 2013, Jeju Island, South Korea.

22. X.T. Hao, Correlating morphology and electronic structure in films of heterogeneous polymer blend nanocomposites (Invited Keynote Lecture), 2nd Nano-S&T, Oct 26-28, 2012, Qingdao, China.

23. X.T. Hao, Investigation of morphology and electronic structures in conjugated polymer films (Invited Keynote Lecture), The 5th VACPS Research Workshop, November 12th, 2011, Melbourne, Australia.

24. X.T. Hao, Controllable solid state characteristics of conjugated polymers (Invited Keynote Lecture), Asian International Symposium on Photochemistry (with the 91th Annual Meeting of Chemical Society of Japan), March 26-29, 2011, Yokohama, Japan.

口头报告：

1. X.T. Hao, Photophysical Dynamics in Organic Photovoltaic Bulk Heterojunctions, 13th International Symposium on Functional Pi-Electron Systems (F-pi 13), 4-9 June 2017, Hong Kong, China.

2. X.T. Hao, Nanoscale Morphology and Ultrafast Photophysics in Organic Photovoltaic Bulk Heterojunctions (Oral),, International Conference of Synthetic Metal 2016 (ICSM 2016), 26 June-1 July 2016, Guangzhou, China.

3. 郝晓涛，有机光伏材料的固态微纳结构与光致激发动力学，第九届全国暨华人有机分子和聚合物发光学术会议暨第一届有机电子学术会议，2015年11月11-15日，南京。

4. X.T. Hao, Physical Processes in Films of Conjugated Polymer-Based Nanocomposites (Oral), 4th Nano-S&T, Oct 29-31, 2014, Qingdao, China.

5. X.T. Hao, W.L. Xu, F. Zheng, H. D. Jin, Photoinduced dynamics in morphology-controllable conjugated polymer films , (Oral), Thin Films 2014, 15-18 July, 2014, Chongqing, China.

6. W.L. Xu, F. Zheng, X.T. Hao, Correlating Morphology and Photophysical Process in Polymer Bulk Heterojunction Films Processed with Solvent Additive (Oral), Thin Films 2014, 15-18 July, 2014, Chongqing, China.

7. F Zheng, W.L. Xu, X.T. Hao, Conjugated polymer blend films based on non-polar solvents soluble base washed graphene oxide for organic photovoltaic (Oral), Thin Films 2014, 15-18 July, 2014, Chongqing, China.

8. X.T. Hao, Morphologically controllable photophysical properties of heterogeneous polymer blend films used in organic solar cells (Oral), SPIE Photonics Europe, 14 - 17 April 2014，Brussels, Belgium

9. X.T. Hao, Imaging light emitting polymer films at high spatial and temporal resolution (oral), 34th Australasian Polymer Symposium, 7-10 July 2013, Darwin, Australia.

10. X.T. Hao, Spatio-Temporal Imaging of Light Emitting Conjugated Polymer Thin Films (oral), 10-14 Oct 2012, Hong Kong, China.

11. X.T. Hao, Photophysical processes in films of heterogeneous polythiophene-based blend nanocomposites (oral), The 6th Asian Photochemistry Conference, 12-15 Nov. 2012, Osaka, Japan.

12. X.T. Hao, T.A. Smith, K. P. Ghiggino, Time Resolved Fluorescence Imaging of Conjugated Polymer Thin Films (oral), BioPhysChem 2011, 3-6 December 2011, Wollongong, Australia.

13. X.T. Hao, Fluorescence lifetime imaging of aggregates and ordering in light emitting conjugated polymer thin films (Oral), The 6th Asian Photochemistry Conference, 14-18 Nov. 2010, Wellington, New Zealand.

14. X.T. Hao, Controllable Photophysical Behaviour in Conjugated Polymer Thin Films (Oral), The 11th Pacific Polymer Conference (PPC11), 6-10 Dec. 2009, Cairns, Australia

15. X.T. Hao, N. Chan, T.A. Smith, D.E. Dunstan, Macromolecular Ordering in Thin Films of Conjugated Poly(phenylene vinylene) Derivatives (Oral), The 5th Asian Photochemistry Conference, 1-4 Nov. 2008, Beijing, China.

16. X.T.Hao, T.Hosokai, N. Mitsuo，S. Kera，K. Sakamoto, K.K. Okudaira，N. Ueno, Control Electronic States Spreading Outside the Conjugated Polymer Surface,(Oral) MRS Fall Meeting, 27 Nov.-1 Dec., 2006, Boston, USA.

17. X.T. Hao, T.Hosokai, N. Mitsuo，S. Kera，K. Sakamoto, K.K. Okudaira，N. Ueno, Probing electronic states existing outside of -conjugated polymer surface, (Oral) International Conference on Science and Technology of Synthetic Metals (ICSM), Dublin, Ireland, July 2-7, 2006.