4.7 Article

Pure organic quinacridone dyes as dual sensitizers in tandem photoelectrochemical cells for unassisted total water splitting

Journal

CHEMICAL COMMUNICATIONS
Volume 57, Issue 46, Pages 5634-5637

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/d1cc01570b

Keywords

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Funding

  1. National Natural Science Foundation of China [21971064, 21872037, 21772040]
  2. Shanghai Science and Technology Committee [17520750100]
  3. Shanghai Municipal Science and Technology Major Project [2018 SHZDZX03]
  4. Fundamental Research Funds for the Central Universities [222201717003, 50321101918001]
  5. Programme of Introducing Talents of Discipline to Universities [B16017]

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QAP-C8, a pure organic dye based on QA with octyl side chains as the donor and PDA as the acceptor, was successfully used in both the photoanode and photocathode of photoelectrochemical cells. A tandem device with QAP-C8 as the photosensitizer achieved overall water splitting without an external bias under neutral pH conditions, showing a STH of 0.11%.
Pure organic dye QAP-C8 based on quinacridone (QA) with octyl side chains as the donor and pyridine dicarboxylic acid (PDA) as the acceptor was first used in both the photoanode and the photocathode of photoelectrochemical cells. A tandem device with QAP-C8 as the photosensitizer realized overall water splitting and showed a STH of 0.11% under neutral pH conditions without an external bias.

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