Observatorio de I+D+i UPM

Memorias de investigación
Research Publications in journals:
Voltage recovery in charged InAs/GaAs quantum dot solar cells
Year:2014
Research Areas
  • Solar cells
Information
Abstract
The realizationofhighefficiency quantumdotintermediatebandsolarcellsischallengingdue to thethermallyactivatedchargeescapingathightemperatures.Theenhancementinshort circuit currentofquantumdotsolarcellsislargelyunderminedbythevoltageloss.Inthis paper,InAs/GaAsquantumdotsolarcellswithdirectSidopinginthequantumdotsarestudied. The opencircuitvoltageisimprovedwithincreasingdopingconcentrationinthequantumdots. The recoveryofopencircuitvoltageaslargeas105mVismeasured.Thisvoltagerecoveryis attributed tosuppressedchargethermalescapingfromquantumdots.Thesuppressedthermal coupling issupportedbytheexternalquantumefficiency andphotoluminescencemeasure- ments.
International
Si
JCR
Si
Title
Nano Energy
ISBN
2211-2855
Impact factor JCR
10,211
Impact info
Volume
6
Journal number
From page
159
To page
166
Month
SIN MES
Ranking
Participants
  • Autor: P. Lam
  • Autor: S. Hatch
  • Autor: J. Wu
  • Autor: M. Tang
  • Autor: V.G. Dorogan
  • Autor: Y.I. Mazur
  • Autor: G.J. Salamo
  • Autor: Iñigo Ramiro Gonzalez (UPM)
  • Autor: A. Seeds
  • Autor: H. Liu
Research Group, Departaments and Institutes related
  • Creador: Grupo de Investigación: Silicio y Nuevos Conceptos para Células Solares
  • Centro o Instituto I+D+i: Instituto de Energía Solar
S2i 2020 Observatorio de investigación @ UPM con la colaboración del Consejo Social UPM
Cofinanciación del MINECO en el marco del Programa INNCIDE 2011 (OTR-2011-0236)
Cofinanciación del MINECO en el marco del Programa INNPACTO (IPT-020000-2010-22)