Researcher

Dr Fiacre Rougieux

Field of Research (FoR)

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Biography

Bio: Fiacre Rougieux has a PhD from the Australian National University in the field of photovoltaics and semiconductor materials. His current work lies at the intersection of materials science, nanotechnology, solid-state chemistry, solar cells and semiconductor physics. Between 2012 and 2015, he was an ARENA Post-doctoral Fellow at the ANU where he developed high-efficiency and low-cost solar cell concepts. One of the outcomes of my research...view more

Bio: Fiacre Rougieux has a PhD from the Australian National University in the field of photovoltaics and semiconductor materials. His current work lies at the intersection of materials science, nanotechnology, solid-state chemistry, solar cells and semiconductor physics. Between 2012 and 2015, he was an ARENA Post-doctoral Fellow at the ANU where he developed high-efficiency and low-cost solar cell concepts. One of the outcomes of my research was three consecutive world efficiency records for solar cells made with Updgraded Metallurgical Grade silicon. This technology now widely is used in the industry blended with other materials. Between 2016 and 2018, he was an ARC DECRA fellow at the ANU where he explored the physics of defects in high efficiency devices and successfully developed a wide range of processes to remove defects in solar cells and improve their efficiency. Typical process: oxygen dissolution, tabula rasa, vacancy-defect dissociation. Example of outcomes: 20% increase in relative efficiency. Fiacre is currently a Senior Lecturer at UNSW. He has published and co-authored more than 70 papers. His research interests include solar grade silicon, growth-related defects and advanced solar cells processes. 

My main research interest is to generate the knowledge and techniques required for the development of very high efficiency silicon solar cells above 26%. I am looking for students enthusiastic about producing technologies to mitigate the negative impacts of defects on high-efficiency solar cells.  The student would contribute to the development of novel solar cell processes to enable defect-free silicon and the development of new characterization techniques to image defects in silicon wafers allowing high efficiency solar cells to overcome their current limits and reach their true potential.

 

Course:

Solar Cells SOLA3507

Applied PV SOLA2540


My Grants

Publications and grants:

Take a look at my publication and citation record at Google Scholar or ORCIDID.

I have a been awarded more than 10 grants as first (two personal fellowships) and/or partner investigators in the past 5 years.


My Research Activities

Semiconductor materials: Solar grade feedstocks - Transport and Recombination in silicon - Fundamental semiconductor properties - Impact of growth and feedstock related defects - Defect Engineering - Optoelectronic device

Solar cells: High efficiency solar cells - High efficiency silicon solar cells - Characterization - Modelization - Advanced solar cells processes - Low cost solar cells - High efficiency n-type solar cells - Hybrid Solar Cells

Research projects:

We have a range of exciting PhD projects, Masters projects and undergraduate research projects available. Please contact me directly regarding PhD supervision, PhD scholarships and potential PhD projects. There are scholarship opportunities for international and domestic students. Example of PhD projects include:

  • Breaking the materials-related limit of the highest efficiency solar cells
  • Engineering the next generation of high efficiency solar cell materials
  • Unravelling the nature of defects in high efficiency solar cells
  • Developing advanced defect engineering for ultra-high efficiency solar cells
  • Building an advanced theory of defect recombination in optoelectronic materials
  • Demonstrating the impact of light element (oxygen and carbon) and point defect (interstitial and vacancies) on solar cells efficiency

See the research project section below for additional available research projects.

 

Previous and currently supervised PhD students:

Abhinav Sharma

Yalun Cai

Zhuangyi Zhou

Tan Xingru

Manjula Siriwardhana

Chang Sun

Hieu Nguyen

Peting Zheng

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Location

School of Photovoltaic and Renewable Energy Engineering

The University of New South Wales

Sydney, NSW, 2052

Map reference (Google map)

Contact

+61 2 93859834

Research Activities

Nature of defects in silicon for very high efficiency solar cells

Recent studies have shown that defects limiting the lifetime of high-quality n-type silicon were unlikely to be related to metals or oxygen precipitates. These promising results were demonstrated using room-temperature passivation or photoluminescence lifetime imaging. In fact, these two techniques open a whole new range of possibilities in the study of very dilute defects in silicon which a student could capitalize-on. Applications include imaging of defects in as-grown ingots and determination of…

Videos

UNSW SPREE 201407-24 Fiacre Rougieux