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(Color online) Cross-section scheme of a monolithic solid-state dye-sensitized solar cell.
(Color online) Schematic view of the experimental setup used to apply a nanocomposite polymer electrolyte solution to dye-sensitized electrodes.
Scanning electron micrograph showing the cross sections of three typical solar cells at increasing [(a)–(c)] magnifications. Left: solar cell with electrolyte filled using the drop-casting method (marked as O); center: the blank film deposited on conducting glass (marked as P25); and right: solar cell with electrolyte filled using the vacuum method (marked as V).
(Color online) EDS analysis shows the distance dependence of the carbon , 97 signal across cross-sections of two devices. Device “O” was fabricated via the conventional drop-casting method while device “V” was fabricated using the vacuum technique. refers to a position of the film in the direct vicinity of the interface and refers to a point close to the outer surface of the film.
(Color online) Photocurrent-density vs voltage characteristics of solid-state DSSCs based on a nanocomposite polymer electrolyte under an illumination intensity of one sun (AM 1.5 global, ). The dotted lines are used to differentiate the performance of devices fabricated via a conventional drop-casting method (O) from the vacuum-based technique (V). Device performances for three different film thicknesses are shown in table. Photovoltaic performance data for the same devices are shown. : short circuit current density; : open circuit voltage; FF: fill factor; : conversion efficiency; and : series resistance.
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