Improved Dye Regeneration through Addition of a Triphenylamine Electron Donor in Iodide-Based Electrolytes for Dye-Sensitized Solar Cells

被引：7
作者：
Ayaz, Muhammad [1 ,2 ]
Kasi, Jafar Khan [2 ]
Kasi, Ajab Khan [2 ]
Bokhari, Muzamil [2 ]
Boschloo, Gerrit [1 ]
机构：
[1] Uppsala Univ, Dept Chem, Angstrom Lab, S-75120 Uppsala, Sweden
[2] Univ Balochistan, Dept Phys, Quetta 87300, Pakistan
来源：
ACS APPLIED ENERGY MATERIALS | 2022年 / 5卷 / 04期
关键词：
dye-sensitized solar cells; redox mediator; iodide/triiodide; mesoporous TiO2; electron transfer kinetics; HIGH-EFFICIENCY; ORGANIC-DYE; KINETICS; DESIGN;
D O I：
10.1021/acsaem.1c03787
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The addition of a small organic electron donor, tris(p-anisyl)amine (TPAA), to an iodide/triiodide electrolyte for dye-sensitized solar cells was found to give pronounced effects on charge transfer reactions. When using the organic dye LEG4 as a sensitizer, an improved solar cell performance was found, which could be attributed to the extremely rapid dye regeneration reaction when TPAA is added. In contrast, for the ruthenium dye N719, no significant solar cell improvement was found, despite rapid dye regeneration. Using transient absorption measurements, it was found that reduction of the intermediate TPAA(+) by iodide is sluggish. This allows for significant recombination of electrons in TiO2 to TPAA(+) when the adsorbed dye layer does not have sufficient electron-blocking properties.
引用
收藏
页码：4240 / 4246
页数：7
相关论文
共 24 条
  • [1] Spectroelectrochemical investigation of surface states in nanostructured TiO2 electrodes
    Boschloo, G
    Fitzmaurice, D
    [J]. JOURNAL OF PHYSICAL CHEMISTRY B, 1999, 103 (12): : 2228 - 2231
  • [2] Improving the Performance of Dye-Sensitized Solar Cells
    Boschloo, Gerrit
    [J]. FRONTIERS IN CHEMISTRY, 2019, 7
  • [3] Photomodulated Voltammetry of Iodide/Triiodide Redox Electrolytes and Its Relevance to Dye-Sensitized Solar Cells
    Boschloo, Gerrit
    Gibson, Elizabeth A.
    Hagfeldt, Anders
    [J]. JOURNAL OF PHYSICAL CHEMISTRY LETTERS, 2011, 2 (24): : 3016 - 3020
  • [4] Characteristics of the Iodide/Triiodide Redox Mediator in Dye-Sensitized Solar Cells
    Boschloo, Gerrit
    Hagfeldt, Anders
    [J]. ACCOUNTS OF CHEMICAL RESEARCH, 2009, 42 (11) : 1819 - 1826
  • [5] Spectral characterization of the one-electron oxidation product of cis-bis(isothiocyanato)bis(4,4′-dicarboxylato-2,2′-bipyridyl) ruthenium(II) complex using pulse radiolysis
    Das, S
    Kamat, PV
    [J]. JOURNAL OF PHYSICAL CHEMISTRY B, 1998, 102 (45): : 8954 - 8957
  • [6] Design of Organic Dyes and Cobalt Polypyridine Redox Mediators for High-Efficiency Dye-Sensitized Solar Cells
    Feldt, Sandra M.
    Gibson, Elizabeth A.
    Gabrielsson, Erik
    Sun, Licheng
    Boschloo, Gerrit
    Hagfeldt, Anders
    [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2010, 132 (46) : 16714 - 16724
  • [7] Convergent/Divergent Synthesis of a Linker-Varied Series of Dyes for Dye-Sensitized Solar Cells Based on the D35 Donor
    Gabrielsson, Erik
    Ellis, Hanna
    Feldt, Sandra
    Tian, Haining
    Boschloo, Gerrit
    Hagfeldt, Anders
    Sun, Licheng
    [J]. ADVANCED ENERGY MATERIALS, 2013, 3 (12) : 1647 - 1656
  • [8] EFFICIENCIES OF PHOTOINDUCED ELECTRON-TRANSFER REACTIONS - ROLE OF THE MARCUS INVERTED REGION IN RETURN ELECTRON-TRANSFER WITHIN GEMINATE RADICAL-ION PAIRS
    GOULD, IR
    EGE, D
    MOSER, JE
    FARID, S
    [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1990, 112 (11) : 4290 - 4301
  • [9] Dye-Sensitized Solar Cells
    Hagfeldt, Anders
    Boschloo, Gerrit
    Sun, Licheng
    Kloo, Lars
    Pettersson, Henrik
    [J]. CHEMICAL REVIEWS, 2010, 110 (11) : 6595 - 6663
  • [10] A small electron donor in cobalt complex electrolyte significantly improves efficiency in dye-sensitized solar cells
    Hao, Yan
    Yang, Wenxing
    Zhang, Lei
    Jiang, Roger
    Mijangos, Edgar
    Saygili, Yasemin
    Hammarstrom, Leif
    Hagfeldt, Anders
    Boschloo, Gerrit
    [J]. NATURE COMMUNICATIONS, 2016, 7
123