Perspective on the Practical Limits and Roadmap for Nanostructured Photovoltaics

Publication Type:



APS Meeting Abstracts, (2012)


2012, 2013 and earlier


The practical efficiency limits for nanostructured photovoltaics including organic small molecule, dye-sensitized, polymer, and colloidal-quantum-dot
architectures are assessed a posterori. Five decades since Shockley and
Queisser derived the theoretical power conversion efficiency limit of
single-junction photovoltaic cells, researchers have still not
demonstrated such high performance for any photovoltaic device system.
Hence, in evaluating the achievable performance of a comparatively new
photovoltaic technologies, such as nanostructured PVs, it is prudent to
estimate the upper limit of achievable efficiencies based on trends of the
best technical demonstrations across the nanostructured platforms. This
analysis is utilized to give a clear perspective on the potential market
viability of these technologies in the near future and outline the
challenges necessary to overcome this threshold. These technologies are
compared and contrasted to provide an overview for the potential of each
for reducing thermal losses with ``Third Generation'' concepts accessible
to nanostructured PVs that can subsequently impact cost structures.