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Published on: August 23, 2012
Anchoring and post-depositional growth enables matrix manipulation of PbS QD inks and efficient solar cells
Haotian Gao1, Leliang Song1, Kunyuan Lu1
1Institute of Functional Nano & Soft Materials (FUNSOM), Joint International Research Laboratory of Carbon-Based Functional Materials and Devices, Soochow University, Suzhou, 215123, Jiangsu, P. R. China. lukunyuan@126.com.
Abstract:
Matrix thickness surrounding PbS colloidal quantum dots (CQDs) significantly influences charge transport in photovoltaic devices. Through an anchoring and post-depositional-growth strategy utilizing thiazoline-2-thiol (TT), this study achieves reduced matrix thickness and strengthened inter-dot coupling. These improvements elevate the power conversion efficiency from 12.1% to 13.6%.
