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  • Zhang, BenSoochow Univ, Peoples R China (författare)

Rapid solidification for green-solvent-processed large-area organic solar modules with >16% efficiency

  • Artikel/kapitelEngelska2024

Förlag, utgivningsår, omfång ...

  • 2024
  • ROYAL SOC CHEMISTRY,2024
  • printrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:DiVA.org:liu-202503
  • https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-202503URI
  • https://doi.org/10.1039/d4ee00680aDOI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

Ingår i deldatabas

Klassifikation

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

Anmärkningar

  • Funding Agencies|Priority Academic Program Development of Jiangsu Higher Education Institutions [52325307, 52273188, 22075194, 22309129]; National Natural Science Foundation of China [20KJA430010]; Natural Science Foundation of the Jiangsu Higher Education Institutions of China; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD); Collaborative Innovation Center of Suzhou Nano Science and Technology [2023NSFSC0990]; Key Laboratory of Polymeric Materials Design and Synthesis for Biomedical Function, Soochow University, Sichuan Science and Technology Program [DE-AC02-05CH11231]; Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy; Shanghai Synchrotron Radiation Facility (SSRF)
  • Enabling green-solvent-processed large-area organic solar cells (OSCs) is of great significance to their industrialization. However, precisely controlling the temperature-dependent fluid mechanics and evaporation behavior of green solvents with high-boiling points is challenging. Controlling these parameters is essential to prevent the non-uniform distribution of active layer components and severe molecule aggregation, which collectively degrade the power conversion efficiency (PCE) of large-scale devices. In this study, we revealed that the temperature gradient distribution across a wet film is the root of the notorious Marangoni effect, which leads to the formation of a severely non-uniform active layer on a large scale. Thus, a rapid solidification strategy was proposed to accelerate the evaporation of toluene, a green solvent, at room temperature. This strategy simultaneously inhibits the Marangoni effect and suppresses molecular aggregation in the wet film, allowing the formation of a nano-scale phase separation active layer with uniform morphology. The resultant toluene-processed 15.64-cm2 large-area OSC module achieves an outstanding PCE of 16.03% (certified: 15.69%), which represents the highest reported PCE of green-solvent-processed OSC modules. Notably, this strategy also exhibits a weak scale dependence on the PCE, and we successfully achieved a state-of-the-art PCE of 14.45% for a 72.00-cm2 OSC module. A rapid solidification strategy was developed for simultaneously avoiding the Marangoni effect and suppressing molecular aggregation. The resultant 15.64 cm2 large-area OSC module exhibited a record power conversion efficiency of 16.03%.

Ämnesord och genrebeteckningar

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

  • Chen, WeijieSoochow Univ, Peoples R China (författare)
  • Chen, HaiyangSoochow Univ, Peoples R China (författare)
  • Zeng, GuangSoochow Univ, Peoples R China (författare)
  • Zhang, RuiLinköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten(Swepub:liu)ruizh84 (författare)
  • Li, HongxiangSichuan Univ, Peoples R China (författare)
  • Wang, YunfeiUniv Southern Mississippi, MS 39406 USA (författare)
  • Gu, XiaodanUniv Southern Mississippi, MS 39406 USA (författare)
  • Sun, WeiweiSoochow Univ, Peoples R China (författare)
  • Gu, HaoSoochow Univ, Peoples R China (författare)
  • Gao, FengLinköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten(Swepub:liu)fenga88 (författare)
  • Li, YaowenSoochow Univ, Peoples R China (författare)
  • Li, YongfangSoochow Univ, Peoples R China; Chinese Acad Sci, Peoples R China (författare)
  • Soochow Univ, Peoples R ChinaElektroniska och fotoniska material (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Energy & Environmental Science: ROYAL SOC CHEMISTRY1754-56921754-5706

Internetlänk

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