Two novel sym. blue squaraine sensitizers I and II, were synthesized, which exhibit panchromatic light harvesting and a record efficiency over 6% with Jsc exceeding 14 mA cm-2, and Voc over 620 mV under 1 sun. Their color, low cost, easiness of synthesis, and relatively high photo- and thermal stability open up the way for com. applications.
Panchromatic Symmetrical Squaraines: A step forward in molecular engineering of low cost blue-greenish sensitizers for Dye-Sensitized Solar Cells
PARK, JINHYUNG;BARBERO, Nadia;GALLIANO, SIMONE;BORRELLI, Raffaele;BAROLO, CLAUDIA;VISCARDI, Guido
2014-01-01
Abstract
Two novel sym. blue squaraine sensitizers I and II, were synthesized, which exhibit panchromatic light harvesting and a record efficiency over 6% with Jsc exceeding 14 mA cm-2, and Voc over 620 mV under 1 sun. Their color, low cost, easiness of synthesis, and relatively high photo- and thermal stability open up the way for com. applications.
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