Observatorio de I+D+i UPM

Memorias de investigación
Artículos en revistas:
Material requirements for the adoption of unconventional silicon crystal and wafer growth techniques for high-efficiency solar cells
Año:2016
Áreas de investigación
  • Silicio,
  • Células solares
Datos
Descripción
Silicon wafers comprise approximately 40% of crystalline silicon module cost and represent an area of great technological innovation potential. Paradoxically, unconventional wafer-growth techniques have thus far failed to displace multicrystalline and Czochralski silicon, despite four decades of innovation. One of the shortcomings of most unconventional materials has been a persistent carrier lifetime deficit in comparison to established wafer technologies, which limits the device efficiency potential. In this perspective article, we review a defect-management framework that has proven successful in enabling millisecond lifetimes in kerfless and cast materials. Control of dislocations and slowly diffusing metal point defects during growth, coupled to effective control of fast-diffusing species during cell processing, is critical to enable high cell efficiencies. To accelerate the pace of novel wafer development, we discuss approaches to rapidly evaluate the device efficiency potential of unconventional wafers from injection-dependent lifetime measurements.
Internacional
Si
JCR del ISI
Si
Título de la revista
Progress in Photovoltaics
ISSN
1062-7995
Factor de impacto JCR
9,696
Información de impacto
Volumen
24
DOI
10.1002/pip.2699
Número de revista
1
Desde la página
122
Hasta la página
132
Mes
SIN MES
Ranking
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Participantes
  • Autor: J. Hofstetter
  • Autor: Carlos del Cañizo Nadal (UPM)
  • Autor: H. Wagner
  • Autor: S. Castellanos
  • Autor: T. Buonassisi
Grupos de investigación, Departamentos, Centros e Institutos de I+D+i relacionados
  • Creador: Grupo de Investigación: Silicio y Nuevos Conceptos para Células Solares
  • Centro o Instituto I+D+i: Instituto de Energía Solar
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