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Solar-light-driven photocatalytic hydrogen evolution by push-pull thiophenoxy-substituted zinc phthalocyanines

Acar, Eminegul Genc; Ince, Tuncay; Yuzer, A. Celil; Yanalak, Gizem; Gecgel, Cihan; Aslan, Emre; Ince, Mine; Patir, Imren Hatay


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    "creators": [
      {
        "affiliation": "Selcuk Univ, Dept Nanotechnol & Adv Mat, TR-42250 Konya, Turkey", 
        "name": "Acar, Eminegul Genc"
      }, 
      {
        "affiliation": "Mersin Univ, Adv Technol Res & Applicat Ctr, TR-33343 Mersin, Turkey", 
        "name": "Ince, Tuncay"
      }, 
      {
        "affiliation": "Tarsus Univ, Vocat Sch Tech Sci Mersin Tarsus Organized Ind Zo, Dept Elect & Automat, TR-33100 Mersin, Turkey", 
        "name": "Yuzer, A. Celil"
      }, 
      {
        "affiliation": "Selcuk Univ, Dept Biochem, TR-42250 Konya, Turkey", 
        "name": "Yanalak, Gizem"
      }, 
      {
        "affiliation": "Mersin Univ, Adv Technol Res & Applicat Ctr, TR-33343 Mersin, Turkey", 
        "name": "Gecgel, Cihan"
      }, 
      {
        "affiliation": "Selcuk Univ, Dept Biochem, TR-42250 Konya, Turkey", 
        "name": "Aslan, Emre"
      }, 
      {
        "affiliation": "Tarsus Univ, Dept Nat & Math Sci, TR-33400 Mersin, Turkey", 
        "name": "Ince, Mine"
      }, 
      {
        "affiliation": "Selcuk Univ, Dept Biotechnol, TR-42250 Konya, Turkey", 
        "name": "Patir, Imren Hatay"
      }
    ], 
    "description": "Two zinc phthalocyanine derivatives (ZnPc 1 and 2) carrying bulky 2,6-diisopropylthiophenoxy peripheral substituents have been synthesized and their performances as photosensitizers in photochemical hydrogen production evaluated. To examine the influence of the spacer on the performance of ZnPc 1 and 2, the carboxyl group has been linked to the macrocycle ring either directly or via the phenyl ring, respectively. The photocatalytic activities of ZnPcs (ZnPc 1 and ZnPc 2) as sensitizers of TiO(2 )for hydrogen production were investigated in the presence of Pt. ZnPc 1 and ZnPc 2 sensitized TiO(2 )produced 0.687 mmolg(-1)h(-1) and 0.436 mmol g(-1)h(-1) hydrogens, which also reached 3.986 and 2.091 mmolg(-1) after 8h illumination, respectively, under visible light (>= 420 nm) irradiation. In addition, STH efficiencies of ZnPc 1/TiO2 and ZnPc 2/TiO2 were determined as 1.77% and 1.12%, respectively. ZnPc 1/TiO2 exhibited 1.9-fold more photocatalytic hydrogen amount than ZnPc 2/TiO2, and the hydrogen evolution performance of the photocatalyst in the presence of Pt enhanced to 3.021 mmol g(-1)h(-1) and 0.911mmol g(-1)h(-1) for ZnPc 1 and ZnPc 2, respectively.", 
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    "journal": {
      "title": "JOURNAL OF PORPHYRINS AND PHTHALOCYANINES"
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    "publication_date": "2022-01-01", 
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    "title": "Solar-light-driven photocatalytic hydrogen evolution by push-pull thiophenoxy-substituted zinc phthalocyanines"
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