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Diego Colombara on Muck Rack

Diego Colombara

As seen in: Nature, Royal Society of Chemistry, Chemistry World
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Articles

Revani Diffusion Model in Cu(In,Ga)Se2

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By Diego Colombara, Giovanna Sozzi, Billy J. Stanbery
| Royal Society of Chemistry Verified
Revani Diffusion Model in Cu(In,Ga)Se2 The commercial attractiveness of Cu(In,Ga)Se2 (CIGS) photovoltaics is still curtailed by the R&D gap that separates it from silicon. Overcoming the gap requires the pursuit of strategic approaches, leaving plenty of room for R&D at both industrial and lab scale. Yet, its technological progress hinges on our understanding of the diffusion phenomena that occur during and after the absorber growth, particularly in combination with alkali metal doping.
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Chemical instability at chalcogenide surfaces impacts chalcopyrite devices well beyond the surface

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By Diego Colombara, Hossam Elanzeery, Nicoleta Nicoara, Marcel Claro
| Nature Verified
Abstract The electrical and optoelectronic properties of materials are determined by the chemical potentials of their constituents. The relative density of point defects is thus controlled, allowing to craft microstructure, trap densities and doping levels. Here, we show that the chemical potentials of chalcogenide materials near the edge of their existence region are not only determined during growth but also at room temperature by post-processing.
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The fox and the hound: in-depth and in-grain Na doping and Ga grading in Cu(In,Ga)Se2 solar cells

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By Diego Colombara, Kevin Conley, Maria Malitckaya, Hannu-Pekka Komsa
| Royal Society of Chemistry Verified
This article is Open Access Please wait while we load your content... Something went wrong. Try again?
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