Synthesis of kesterite nanopowders with bandgap tuning ligands | Zendy

Podsiadlo Slawomir | Zendy; Bialoglowski Maciej | Zendy; Fadaghi Mohammad | Zendy; Matyszczak Grzegorz | Zendy; Kardas Kornelia | Zendy; Dluzewski Piotr | Zendy; Data Przemyslaw | Zendy; Lapkowski Mieczyslaw | Zendy

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Synthesis of kesterite nanopowders with bandgap tuning ligands

Author(s) -

Podsiadlo Slawomir,

Bialoglowski Maciej,

Fadaghi Mohammad,

Matyszczak Grzegorz,

Kardas Kornelia,

Dluzewski Piotr,

Data Przemyslaw,

Lapkowski Mieczyslaw

Publication year - 2015

Publication title -

crystal research and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.377

H-Index - 64

eISSN - 1521-4079

pISSN - 0232-1300

DOI - 10.1002/crat.201500044

Subject(s) - kesterite , oleylamine , band gap , diphenylamine , materials science , tandem , czts , photovoltaic system , nanocrystal , chemical engineering , nanotechnology , optoelectronics , metallurgy , composite material , ecology , biology , engineering

A rapid development of solar cells has been observed within recent years. Semiconducting materials based on Cu 2 ZnSnS 4 with the kesterite structure offer a promise of low‐cost and environmentally friendly solar cells. The energy gap of Cu 2 ZnSnS 4 , which is about 1.5 eV, can be optimized with addition of organic ligands. We report a method of obtaining kesterite nanopowders with grain diameter of approximately 5 nm via solution synthesis using metal chlorides and sulfur in oleylamine at 230 °C. The ligand exchange for diphenylamine upshifted the value of the bandgap to 2.2 eV, which makes it a promising material for an upper layer in tandem photovoltaic devices.

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