Anchoring and post-depositional growth enables matrix manipulation of PbS QD inks and efficient solar cells

Haotian Gao; Leliang Song; Kunyuan Lu; Qingda Chang; Haoyu Zhao; Xiaobo Ding; Qianqian Lin; Chuang Zhang; Zeke Liu; Wanli Ma

doi:10.1039/D5CC01816A

Anchoring and post-depositional growth enables matrix manipulation of PbS QD inks and efficient solar cells†

Haotian Gao,‡^a Leliang Song,‡^a Kunyuan Lu,*^a Qingda Chang,

^b Haoyu Zhao,^c Xiaobo Ding,^a Qianqian Lin,

^c Chuang Zhang,

^b Zeke Liu

*^a and Wanli Ma

*^a

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* Corresponding authors

^a Institute of Functional Nano & Soft Materials (FUNSOM), Joint International Research Laboratory of Carbon-Based Functional Materials and Devices, Soochow University, Suzhou, Jiangsu, P. R. China
E-mail: lukunyuan@126.com, zkliu@suda.edu.cn, wlma@suda.edu.cn

^b Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China

^c School of Physics and Technology, Wuhan University, Wuhan, Hubei 430072, China

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%.

This article is part of the themed collections: Chemistry at the Forefront of the Sustainable Energy Transition and Chemical Communications HOT articles 2025

Chemical Communications

Anchoring and post-depositional growth enables matrix manipulation of PbS QD inks and efficient solar cells†

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Anchoring and post-depositional growth enables matrix manipulation of PbS QD inks and efficient solar cells

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