Nature Communications (Aug 2018)

A gate-free monolayer WSe2 pn diode

  • Jhih-Wei Chen,
  • Shun-Tsung Lo,
  • Sheng-Chin Ho,
  • Sheng-Shong Wong,
  • Thi-Hai-Yen Vu,
  • Xin-Quan Zhang,
  • Yi-De Liu,
  • Yu-You Chiou,
  • Yu-Xun Chen,
  • Jan-Chi Yang,
  • Yi-Chun Chen,
  • Ying-Hao Chu,
  • Yi-Hsien Lee,
  • Chung-Jen Chung,
  • Tse-Ming Chen,
  • Chia-Hao Chen,
  • Chung-Lin Wu

DOI
https://doi.org/10.1038/s41467-018-05326-x
Journal volume & issue
Vol. 9, no. 1
pp. 1 – 7

Abstract

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Bringing together p- and n-type monolayers of semiconducting transition metal dichalcogenides results in the formation of atomically thin pn junctions. Here, the authors laterally manipulate carrier density to create a WSe2 pn homojunction on a supporting ferroelectric BiFeO3 substrate.