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  • Gao, YijunUniv New South Wales, Australian Ctr Adv Photovolta, Sch Photovolta & Renewable Energy Engn, Sydney, NSW 2052, Australia (författare)

Enhancing PbS Colloidal Quantum Dot Tandem Solar Cell Performance by Graded Band Alignment

  • Artikel/kapitelEngelska2019

Förlag, utgivningsår, omfång ...

  • 2019-09-12
  • American Chemical Society (ACS),2019
  • printrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:DiVA.org:uu-396728
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-396728URI
  • https://doi.org/10.1021/acs.jpclett.9b02423DOI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

Ingår i deldatabas

Klassifikation

  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:art swepub-publicationtype

Anmärkningar

  • Colloidal quantum dot solids are attractive candidates for tandem solar cells because of their widely tunable bandgaps. However, the development of the quantum dot tandem solar cell has lagged far behind that of its single-junction counterpart. One of the fundamental problems with colloidal quantum dot solar cells is the relatively small diffusion length, which limits the quantum dot absorbing layer thickness and hence the power conversion efficiency. In this research, guided by optical modeling and utilizing a graded band alignment strategy, a two-terminal monolithic solution-processed quantum dot tandem solar cell has been successfully fabricated and a power conversion efficiency of 6.8% has been achieved. The band grading approach utilized the complementary tuning of work functions and band alignment through judicious choices of the nanoparticle surface chemistry and quantum dot confined size. This work demonstrates a general approach to improving the efficiency for tandem thin-film solar cells.

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Zheng, JianghuiUniv New South Wales, Australian Ctr Adv Photovolta, Sch Photovolta & Renewable Energy Engn, Sydney, NSW 2052, Australia (författare)
  • Chen, WeijianUniv New South Wales, Australian Ctr Adv Photovolta, Sch Photovolta & Renewable Energy Engn, Sydney, NSW 2052, Australia;Swinburne Univ Technol, Ctr Translat Atomat, Hawthorn, Vic 3122, Australia (författare)
  • Yuan, LinUppsala universitet,Fysikalisk kemi,Univ New South Wales, Australian Ctr Adv Photovolta, Sch Photovolta & Renewable Energy Engn, Sydney, NSW 2052, Australia(Swepub:uu)linyu228 (författare)
  • Teh, Zhi LiUniv New South Wales, Australian Ctr Adv Photovolta, Sch Photovolta & Renewable Energy Engn, Sydney, NSW 2052, Australia (författare)
  • Yang, JianfengUniv New South Wales, Australian Ctr Adv Photovolta, Sch Photovolta & Renewable Energy Engn, Sydney, NSW 2052, Australia (författare)
  • Cui, XinUniv New South Wales, Australian Ctr Adv Photovolta, Sch Photovolta & Renewable Energy Engn, Sydney, NSW 2052, Australia (författare)
  • Conibeer, GavinUniv New South Wales, Australian Ctr Adv Photovolta, Sch Photovolta & Renewable Energy Engn, Sydney, NSW 2052, Australia (författare)
  • Patterson, RobertUniv New South Wales, Australian Ctr Adv Photovolta, Sch Photovolta & Renewable Energy Engn, Sydney, NSW 2052, Australia (författare)
  • Huang, ShujuanUniv New South Wales, Australian Ctr Adv Photovolta, Sch Photovolta & Renewable Energy Engn, Sydney, NSW 2052, Australia;Macquarie Univ, Sch Engn, Sydney, NSW 2109, Australia (författare)
  • Univ New South Wales, Australian Ctr Adv Photovolta, Sch Photovolta & Renewable Energy Engn, Sydney, NSW 2052, AustraliaUniv New South Wales, Australian Ctr Adv Photovolta, Sch Photovolta & Renewable Energy Engn, Sydney, NSW 2052, Australia;Swinburne Univ Technol, Ctr Translat Atomat, Hawthorn, Vic 3122, Australia (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:The Journal of Physical Chemistry Letters: American Chemical Society (ACS)10:19, s. 5729-57341948-7185

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