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  • Pang, TiqiangLinköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten,Xidian Univ, Peoples R China (författare)

Hysteresis effects on carrier transport and photoresponse characteristics in hybrid perovskites

  • Artikel/kapitelEngelska2020

Förlag, utgivningsår, omfång ...

  • 2020
  • ROYAL SOC CHEMISTRY,2020
  • printrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:DiVA.org:liu-164381
  • https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-164381URI
  • https://doi.org/10.1039/c9tc06326aDOI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

Ingår i deldatabas

Klassifikation

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

Anmärkningar

  • Funding Agencies|National Natural Science Foundation of ChinaNational Natural Science Foundation of China [51472196, 11304170, 61704125, 61874084, 61974119, 51711530035]; Fundamental Research Funds for the Central UniversitiesFundamental Research Funds for the Central Universities [XJS17059, JBX171105]; Innovation Fund of Xidian Universities; Swedish Foundation for International Cooperation in Research and Higher Education (STINT) [CH2016-6722]; China Scholarship CouncilChina Scholarship Council
  • Organic-inorganic hybrid perovskites have recently emerged as promising potential candidate materials in the area of photoelectrics due to their unparalleled optoelectronic features. However, the performance of an optoelectronic device is always affected by the mixed ionic and electronic conducting behavior within perovskites. Herein, the hysteresis effect on carrier mobility and photoresponse characteristics of perovskites were investigated through adding rational additives to the precursor solution. The results show that the perovskite with foreign fullerene derivative (PCBM) additive can suppress hysteresis behavior and increase the mobility by two-fold, while the perovskite with native iodine (I) additive will amplify hysteresis and reduce the mobility by two orders of magnitude at the room temperature compared with that of the pure perovskite. Furthermore, we found that the response characteristics of the photodetectors are strongly affected by the carrier mobility. Capacitance-voltage results confirm the significant change in hysteresis after the introduction of different additives, which explains the changes in mobility and photoresponse time. Our results enlighten the hysteresis effect related to carrier transport and photoresponse characteristics, and provide guidance for the development of reliable, high performance perovskite devices.

Ämnesord och genrebeteckningar

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

  • Sun, KaiXidian Univ, Peoples R China; Ningbo Univ, Peoples R China (författare)
  • Wang, YuchengNorthwestern Polytech Univ, Peoples R China (författare)
  • Luan, SuzhenXian Univ Sci and Technol, Peoples R China (författare)
  • Zhang, YumingXidian Univ, Peoples R China (författare)
  • Zhu, YuejinNingbo Univ, Peoples R China (författare)
  • Hu, ZiyangNingbo Univ, Peoples R China (författare)
  • Jia, RenxuXidian Univ, Peoples R China (författare)
  • Linköpings universitetBiomolekylär och Organisk Elektronik (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Journal of Materials Chemistry C: ROYAL SOC CHEMISTRY8:6, s. 1962-19712050-75262050-7534

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