Wavelength-selective dual p- and n-type carrier transport of an organic/graphene/inorganic heterostructure

Po Hsun Ho, Shao Sian Li, Yi Ting Liou, Cheng Yen Wen, Yi Hsuan Chung, Chun Wei Chen

Research output: Contribution to journalArticlepeer-review

27 Citations (Scopus)


(Figure Presented). A novel organic/graphene/inorganic heterostructure, consisting of a graphene layer encapsulated by n- and p- type photoactive materials with complementary absorptions, enables the control of dual n- and p- typed transport behaviors of a graphene transistor under selective UV or visible light illumination. A graphenebased p-n junction created by spatially patterned wavelength-selective illumination using the organic/graphene/inorganic heterostructure is also demonstrated.

Original languageEnglish
Pages (from-to)282-287
Number of pages6
JournalAdvanced Materials
Issue number2
Publication statusPublished - Jan 14 2015
Externally publishedYes


  • Dual-type doping
  • Graphene
  • Graphene heterostructure
  • p-n junction
  • Wavelength-selective

ASJC Scopus subject areas

  • General Materials Science
  • Mechanics of Materials
  • Mechanical Engineering


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