01-11-2012 дата публикации
Номер: US20120273044A1
The disclosure provides an electrolyte composition and dye-sensitized solar cell using the same. The electrolyte composition includes a diionic liquid of Formula: Z(X-Y-X)Z′, wherein X includes ammonium, imidazolium, pyridinium or phosphonium, Y is (CH)n, n is an integer of 1-16, Z is I, and Z′ is I, PF, BF, N(SOCF), NCS or N(CN). 1. A dye-sensitized solar cell , comprising:a working electrode, wherein the working electrode comprises an electrode substrate and an oxide semiconductor porous film formed on the electrode substrate;a counter electrode disposed oppositely from the working electrode; {'br': None, 'sup': −', '−, 'Z(X-Y-X)Z′'}, 'an electrolyte composition provided between the working electrode and the counter electrode, wherein the electrolyte composition comprises a diionic liquid having a Formula{'sub': 2', 'n', '6', '4', '2', '3', '2, ', wherein X is ammonium, imidazolium, pyridinium or phosphonium, Y is (CH), n is an integer of 1-16, Z is I, and Z′ is I, PF, BF, N(SOCF), NCS or N(CN).'}3. The dye-sensitized solar cell as claimed in claim 1 , further comprising: a solvent claim 1 , a stabilizer and a soluble electrolyte.4. The dye-sensitized solar cell as claimed in claim 3 , wherein the solvent comprises ethanol claim 3 , acetonitrile claim 3 , methoxy acetonitrile claim 3 , propionitrile claim 3 , 3-methoxypropionitrile (MPN) claim 3 , ethyl carbonate claim 3 , propyl carbonate claim 3 , ethylene carbonate or 2-ethyl-4-methyl imidazole.5. The dye-sensitized solar cell as claimed in claim 3 , wherein the stabilizer comprises lithium iodide (LiI) claim 3 , N-butyl benzimidazole (NBB) claim 3 , 1-methylbenzimida (NMBI) or 4-tert-butyl pyridine (TBP).6. The dye-sensitized solar cell as claimed in claim 3 , wherein the soluble electrolyte comprises 1-propyl-3-methyl imidazolium iodide (PMII) claim 3 , 1-ethyl-3-methyl imidazolium iodide (EMII) claim 3 , 1 claim 3 ,3-dimethyl imidazolium iodide (DMII) or 1-allyl-3-methyl imidazolium iodide (AMII).7. The dye- ...
Подробнее