Fuentes Pineda, Rosinda; Zems, Yaroslav; Troughton, Joel; Niazi, Muhammad R.; Perepichka, Dmitrii F.; Watson, Trystan; Robertson, Neil published the artcile< Star-shaped triarylamine-based hole-transport materials in perovskite solar cells>, Category: esters-buliding-blocks, the main research area is triarylamine hole transport material perovskite solar cell.
Two novel star-shaped triarylamine-based hole transport materials with triphenylamine (STR1), or a partially oxygen-bridged triphenylamine (STR0), as core and para-substituted triphenylamine side arms were synthesized, fully characterized and studied in perovskite solar cells. Their thermal, optical, electrochem. and charge transport properties were examined and compared in the context of their mol. structure. Due to its more planar configuration, STR0 showed a red-shifted absorption in comparison with STR1. STR0 also forms a more stable amorphous glassy state and showed higher glass transition temperature than STR1 and spiro-OMeTAD. These HTMs were tested in perovskite solar cells using a device configuration of FTO/bl-TiO2/mp-TiO2/CH3NH3PbI3/HTM/Au showing a power conversion efficiency of 13.3% for STR0 and 11.5% for STR1. The STR0-based devices showed higher fill factor and better reproducibility than spiro-OMeTAD-based cells. Without dopant additives, solar cells based on STR0 exhibited a good photocurrent d. of 16.63 mA cm-2 and the efficiency improved from a starting PCE of 3.9% to 6.6% after two weeks of storage.
Sustainable Energy & Fuels published new progress about Band gap Role: PRP (Properties), TEM (Technical or Engineered Material Use), USES (Uses). 112-63-0 belongs to class esters-buliding-blocks, and the molecular formula is C19H34O2, Category: esters-buliding-blocks.
Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics