1. Full name: Nguyen Quang Hoa                                               2. Sex: Male

3. Date of birth: 20/4/1979                                                         4. Place of birth: Ha Noi

5. Admission decision number: No 4050/QĐ-KHTN-CTSV signed 19/9/2013 by Rector of VNU University of Science

6. Changes in academic process:

Extended time by decision No 1033/QD-DHKHTN and 597/QD-DHKHTN signed by Rector of  Rector of VNU University of Science.

7. Official thesis title: Synthesis of semiconductor thin films of CuO and ZnO based and applications for electronic devices

8. Major: Solid State Physics                                                     9. Code: 9440130.02

10. Supervisors: Dr. Bui Nguyen Quoc Trinh and Prof. Dr. Bach Thanh Cong       

11. Summary of the new findings of the thesis

Synthesis and investigation properties of the precursor solutions and thin films of CuO and ZnO-based.

Fabrication of thin film transistor with CuO thin film.

Synthesis thin film electrode ITO and LNO by spin-coating method.

Fabrication heterojunction solar cell by using CuO and ZnO:Al thin films

12. Practical applicability, if any:

The research results initially opened a new direction in using simple and inexpensive technologies to create suitable electronic devices.

13. Further research directions, if any

- For thin-film transistors, replace the traditional dielectric SiO2 by high dielectric constants materials such as HfO2 or Al2O3. In addition, the contact between electrode layer and semiconductor oxide channel also needs to be Ohmic contact.

- For solar cell structure made from semiconductor oxide by spin-coating method, contact layer between electrode layers and p-n transition also needs to Ohmic contact. Therefore, it is necessary to investigate and control a work function for the layers of LNO and ITO electrodes.

- Evaluate quality and repeatability of each electronic component, in order to integrate in logic electronic circuits, towards manufacturing curved display devices

14. Thesis-related publications:

- Nguyen Quang Hoa, Nguyen Thi Xuyen, Vuong Quoc Viet, Vu Thi Huyen Trang, Hoang Ha, Hoang Thi Thanh Tam, Vu Thi Dung, Tran Van Dung, Bui Nguyen Quoc Trinh (2016), “Study on ITO thin films prepared by multi-annealing technique”, Journal of Science and Technology 54(1A), pp. 136-142.

- Van Dung Nguyen and Quang Hoa Nguyen and Van Dung Tran and Nguyen Quoc Trinh Bui (2017), “Solution-processed doping and undoping zinc-oxide and copper-oxide thin films”, International Thin Films Conference (TACT), 15-18 October 2017, Hualien, Taiwan.

- Quang Hoa Nguyen and Nguyen Quoc Trinh Bui (2017), “Characterization on CuO thin films deposited by solution process”, SPMS 2017, 19-21 October 2017, Hue, Vietnam.

- Nguyen Quang Hoa, Nguyen Van Dung, Akihiko Fujiwara, Bui Nguyen Quoc Trinh (2018), “Solution-processed CuO thin films with various Cu2+ ion concentrations”, Thin Solid Films 660, pp. 819-823.

- Nguyen Quang Hoa, Bui Nguyen Quoc Trinh (2018) “Conductive-perovskite LaNiO3 thin films prepared using solution process for electrode application”, VNU Journal of Science: Mathematics – Physics 34(2), pp. 29-35.

- Nguyen Van Dung, Le Thi Hien, Nguyen Quang Hoa, Bui Nguyen Quoc Trinh (2018), “P-type Channel CuO Thin Film Transistors Fabricated by Solution Processing”, The 9th International Workshop on Advanced Materials Science and Nanotechnology Conference, 7-11 November 2018, Ninh Binh, Vietnam.

- Le Thi Hien, Nguyen Quang Hoa, Bui Nguyen Quoc Trinh (2019), “Characterization on Cu doped ZnO thin films prepared by solution processing”, Hanoi International Symposium on Advanced Materials and Devices Conference (HISAMD 2019), January 10-12, 2019, Hanoi, Vietnam.