NAVIGATION


Catalog Number
ACMA00016178
Product Name
PTAA
Category
Organic Field Effect Transistor (OFET) Materials; Organic Light-Emitting Diode (OLED) Materials
Application
PTAA serves as a crucial substrate material for the transport of holes in the fabrication of various devices, including perovskite solar cells, polymeric light-emitting diodes, and organic field-effect transistors. This semiconducting material, a member of the poly(triaryl)amine family, is highly effective due to its electron-rich composition, which enables it to transport holes efficiently while blocking electrons. The use of PTAA has been shown to significantly enhance the open-circuit voltage (VOC) and fill factor (FF) of solar cells. Specifically, perovskite solar cells employing PTAA as a hole-transport layer have demonstrated a short-circuit current density (JSC) of 16.5 mA/cm², a VOC of 0.997 V, and an FF of 0.727. Additionally, the integration of MAPbBr3 into FAPbI3 with PTAA stabilizes the perovskite phase of FAPbI3, enhancing the solar cell's power conversion efficiency to over 18% under standard illumination conditions. PTAA is recognized as the most effective polymer hole-transport layer for perovskites, with a remarkable efficiency of 20.2% achieved in 2015.
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