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Updated: May 27, 2026

11:06
Fabrication of Fully Solution Processed Inorganic Nanocrystal Photovoltaic Devices
Published on: July 8, 2016
Practical roadmap and limits to nanostructured photovoltaics.
Richard R Lunt1, Timothy P Osedach, Patrick R Brown
1Department of Chemical Engineering and Materials Science, Michigan State University, East Lansing, 48824, USA. rlunt@msu.edu
Advanced Materials (Deerfield Beach, Fla.)
|November 8, 2011
Summary
Nanostructured photovoltaics (nano-PVs) offer potential cost reductions and efficiency improvements. Research suggests practical efficiency limits of 17% (single-junction) and 24% (tandem) for nano-PVs, with lifespans of 10-15 years.
Area of Science:
- Nanotechnology
- Materials Science
- Renewable Energy Engineering
Background:
- Growing interest in nanostructured photovoltaic (nano-PV) devices for reduced fabrication and installation costs.
- Emergence of diverse nano-PV architectures necessitates understanding performance limits.
Purpose of the Study:
- To address the practical performance limits of nano-PV technologies.
- To review challenges and approaches for improving power conversion efficiency (PCE) and reducing thermal losses.
- To consider module lifetime and cost factors unique to nano-PVs.
Main Methods:
- A posteriori analysis of existing nano-PV technologies.
- Discussion of strategies to overcome thermal losses beyond the single bandgap limit.
- Evaluation of critical factors influencing module lifetime and cost.
Main Results:
- Identified a practical single-junction laboratory PCE limit of 17% for nano-PVs.
- Projected a practical two-cell tandem PCE limit of 24% for nano-PVs.
- Estimated viable operating lifetimes of 10 to 15 years for nano-PV modules.
Conclusions:
- Nano-PVs have the potential to achieve significant PCE improvements.
- Addressing thermal losses and ensuring module longevity are key challenges.
- With projected efficiencies and lifespans, nano-PVs could revolutionize solar energy markets.

