HOLE TRANSPORT LAYER COMPOSITION FOR SOLAR CELL, PREPARATION METHOD THEREOF AND SOLAR CELL COMPRISING THE SAME
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United States of America Patent
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Issued Date -
Dec 29, 2016
app pub date -
Jun 7, 2016
filing date -
Jun 29, 2015
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Abstract
A hole transport layer composition is for a solar cell, a preparation method is thereof, and there is a solar cell comprising the same. More precisely, a hole transport layer composition for solar cell comprises the compound represented by formula 1. The hole transport layer composition can be used as a material for hole transport layer for solar cell which displays the improved power conversion efficiency than the conventional material. In addition, the hole transport layer composition demonstrates a high hole mobility, a proper energy level, a thermo-stability, and an excellent solubility, so that it can provide a similar or higher power conversion efficiency than the conventional spiro-OMeTAD. A solar cell comprising the hole transport layer composition displays a higher power conversion efficiency because the hole transport layer composition for solar cell includes a low-molecular material having a high charge carrier mobility instead of including a high-molecular material.
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