title: Anthracene/phenothiazine π-conjugated sensitizers for dye-sensitized solar cells using redox mediator in organic and water-based solvents.
abstract: Metal-free dyes (MD1 to MD5) containing an anthracene/phenothiazine unit in the spacer have been synthesized. The conversion efficiency (7.13 %) of the dye-sensitized solar cell using MD3 as the sensitizer reached approximately 85 % of the N719-based standard cell (8.47 %). The cell efficiency (8.42 %) of MD3-based dye-sensitized solar cells (DSSCs) with addition of chenodeoxycholic acid is comparable with that of N719-based standard cell. The MD3 water-based DSSCs using a dual-TEMPO (2,2,6,6-tetramethylpiperidine-N-oxyl)/iodide electrolyte exhibited very promising cell performance of 4.96 % with an excellent Voc of 0.77 V.
authors.affiliation: Institute of Chemistry, Academia Sinica, Nankang 11529, Taipei (Taiwan)ca.edu.tw.
authors.forename: Ryan Yeh-Yung
authors.initials: RY
authors.lastname: Lin
authors.forename: Tzu-Man
authors.initials: TM
authors.lastname: Chuang
authors.forename: Feng-Ling
authors.initials: FL
authors.lastname: Wu
authors.forename: Pei-Yu
authors.initials: PY
authors.lastname: Chen
authors.forename: Te-Chun
authors.initials: TC
authors.lastname: Chu
authors.forename: Jen-Shyang
authors.initials: JS
authors.lastname: Ni
authors.forename: Miao-Syuan
authors.initials: MS
authors.lastname: Fan
authors.forename: Yih-Hsing
authors.initials: YH
authors.lastname: Lo
authors.forename: Kuo-Chuan
authors.initials: KC
authors.lastname: Ho
authors.forename: Jiann T
authors.initials: JT
authors.lastname: Lin
mesh_terms: D000327:Adsorption; D000873:Anthracenes / Q000737:chemistry*; D004396:Coloring Agents / Q000737:chemistry*; D003497:Cyclic N-Oxides / Q000737:chemistry; D011211:Electric Power Supplies; D004563:Electrochemistry; D008958:Models, Molecular; D008968:Molecular Conformation; D055620:Optical Phenomena; D010084:Oxidation-Reduction; D010640:Phenothiazines / Q000737:chemistry*; D012993:Solar Energy; D012997:Solvents / Q000737:chemistry*; D014867:Water / Q000737:chemistry*
chemical_list: D000873:Anthracenes; D004396:Coloring Agents; D003497:Cyclic N-Oxides; D010640:Phenothiazines; D012997:Solvents; D014867:Water; C034020:anthracene; C031637:phenothiazine; C003959:TEMPO
keywords: anthracene; dye-sensitized solar cells; metal-free sensitizers; phenothiazine; water-based electrolyte