Randi Azmi, Ph. D.

Postdoctoral Fellows

Postdoctoral Fellow in De Wolf group


Randi Azmi got his Ph.D. degree after finished his MS-PhD program in Nano Chemistry program (Kookmin University), and received B.Sc. in condensed matter physics (University of Indonesia). His research is focusing on high efficiency of perovskite in single and tandem devices.

Research Interest

  • High-efficiency Perovskite Single Junction Devices
  • Perovskite/Silicon Tandem Devices
  • Perovskite/Perovskite Tandem Devices

Selected Publications

  • Simultaneous Passivation of Shallow and Deep Trap States in Perovskite Solar Cells.Randi Azmi, Naufan Nurrosyid, Sang-Hak Lee, Muhibullah Al Mubarak, Wooseop Lee, Sunbin Hwang, Wenping Yin, Tae Kyu Ahn, Tae-Wook Kim, Du Yeol Ryu, Young Rag Do, Sung-Yeon Jang. ACS Energy Lett. 2020, 5, 1396-1403.
  • Stable and Colorful Perovskite Solar Cells Using a Nonperiodic SiO2/TiO2 Multi-Nanolayer Filter. Gang Yeol Yoo*, Randi Azmi*, Changwook Kim, Woong Kim, Byoung Koun Min, Sung-Yeon Jang, Young Rag Do. ACS Nano, 2019, 13, 10129 −10139.(*contributed equally)
  • High Efficiency Low-temperature Processed Perovskite Solar Cells Integrated with Alkali Metal Doped ZnO Electron Transport Layers. Randi Azmi, Sunbin Hwang, Wenping Yin, Tae-Wook Kim, Tae Kyu Ahn, Sung-Yeon Jang. ACS Energy Lett. 2018, 3, 6, 1241 – 1246.
  • Simultaneous Improvement in Efficiency and Stability of Low-Temperature-Processed Perovskite Solar Cells by Interfacial Control. Randi Azmi, Chang-Lyoul Lee, In Hwan Jung, Sung-Yeon Jang. Adv. Energy Mater. 2018, 8, 14, 1702934.
  • High-Performance Dopant-Free Conjugated Small Molecule-Based Hole-Transport Materials for Perovskite Solar Cells. Randi Azmi, So Youn Nam, Septy Sinaga, Zico Alaia Akbar, Chang-Lyoul Lee, Sung Cheol Yoon, In Hwan Jung, Sung-Yeon Jang. Nano Energy 2018, 44, 191 – 198.
  • High-Efficiency Low-Temperature ZnO Based Perovskite Solar Cells Based on Highly Polar, Nonwetting Self-Assembled Molecular Layers. Randi Azmi, Wisnu Tantyo Hadmojo, Septy Sinaga, Chang-Lyoul Lee, Sung Cheol Yoon, In Hwan Jung, Sung-Yeon Jang. Adv. Energy Mater. 2018, 8, 5, 1701683.(Selected as Back Cover)
  • Highly Efficient Air-Stable Colloidal Quantum Dot Solar Cells by Improved Surface Trap Passivation. Randi Azmi, Septy Sinaga, Havid Aqoma, Gabsoek Seo, Tae Kyu Ahn, Minsuk Park, Sang-Yong Ju, Jin-Won Lee, Tae-Wook Kim, Seung-Hwan Oh, Sung-Yeon Jang. Nano Energy 2017, 39, 86 – 94.
  • High-Efficiency Colloidal Quantum Dot Photovoltaic Devices using Chemically Modified Heterojunctions. Randi Azmi, Seung-Hwan Oh, Sung-Yeon Jang. ACS Energy Lett. 2016, 1, 1, 100 – 106.
  • Low-Temperature-Processed 9% Colloidal Quantum Dot Photovoltaic Devices through Interfacial Management of p–n Heterojunction. Randi Azmi, Havid Aqoma, Wisnu Tantyo Hadmojo, Jin-Mun Yun, Soyeon Yoon, Kyungkon Kim, Young Rag Do, Seung-Hwan Oh, Sung-Yeon Jang. Adv. Energy Mater. 2016, 6, 8, 1502146. 


  • Ph.D.: Nano Chemistry, Kookmin University, Korea, 2020.
  • B.Sc.: Condensed Matter Physics, University of Indonesia, Indonesia, 2014

Professional Profile

  • 2020-Present: Postdoctoral fellow, KAUST, Thuwal, Saudi Arabia.
  • 2019-2020: Visiting Researcher, UNIST, Korea.

KAUST Affiliations

  • ​KAUST Solar Center
  • Division of Physical Science and Engineering (PSE)

Research Interests Keywords

high efficiency solar cells perovskites solar cells Tandem Solar Cells device physics