4.8 Article

Structurally Defined Graphene Nanoribbons with High Lateral Extension

Journal

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 134, Issue 44, Pages 18169-18172

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ja307697j

Keywords

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Funding

  1. ERC grant on NANOGRAPH, EU Project SUPERIOR [PITN-GA-2009-238177]
  2. GENIUS, DFG Priority Program [SPP 1459]
  3. ESF Project GOSPEL [09-EuroGRAPHENE-FP-001]
  4. Max Plank Society through the program ENERCHEM
  5. DFG Priority Program [SPP 1355]
  6. DFG [MU 334/32-1]

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Oxidative cyclodehydrogenation of laterally extended polyphenylene precursor allowed bottom-up synthesis of structurally defined graphene nanoribbons (GNRs) with unprecedented width. The efficiency.of the cyclodehydrogenation was validated by means of MALDI-TOF MS, FT-IR, Raman, and UV-vis absorption spectroscopies as well as investigation of a representative model system. The produced GNRs demonstrated broad absorption extended to near-infrared region with the optical band gap of as low as 1.12 eV.

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