Toward printable solar cells based on PbX colloidal quantum dot inks,Nanoscale Horizons

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Toward printable solar cells based on PbX colloidal quantum dot inks
Nanoscale Horizons ( IF 8.0 ) Pub Date : 2020-10-23 , DOI: 10.1039/d0nh00488j
Yang Liu _{1,

2,

3,

4,

5} , Guozheng Shi _{1,

2,

3,

4,

5} , Zeke Liu _{1,

2,

3,

4,

5} , Wanli Ma _{1,

2,

3,

4,

5}

Affiliation

Lead chalcogenide (PbX, X = S, Se) colloidal quantum dots (CQDs) are promising solution-processed semiconductor materials for the construction of low-cost, large-area, and flexible solar cells. The properties of CQDs endow them with advantages in semi-conducting film deposition compared to other solution-processed photovoltaic materials, which is critical for the fabrication of efficient large-area solar cells towards industrialization. However, the development of large-area CQD solar cells is impeded by the conventional solid-state ligand exchange process, where the tedious processing with high expense is indispensable to facilitate charge transport of CQD films for photovoltaic applications. In the past several years, the rapid development of CQD inks has boosted the device performance and dramatically simplified the fabrication process. The CQD inks are compatible with most of the industrialized printing techniques, demonstrating potential in fabricating solar modules for commercialization. This article aims to review the recent advances in solar cells based on PbX CQD inks, including both lab-scale and large-area photovoltaic devices prepared from solution-phase ligand exchange (SPLE) as well as the recently invented “one-step” synthesis. We expect to draw attention to the enormous potential of CQD inks for developing high-efficiency and low-cost large-area photovoltaics.

中文翻译：

迈向基于PbX胶体量子点油墨的可印刷太阳能电池

硫属元素铅（PbX，X = S，Se）胶体量子点（CQDs）是用于制造低成本，大面积和柔性太阳能电池的有前途的溶液处理半导体材料。与其他溶液处理的光伏材料相比，CQD的特性使它们在半导体薄膜沉积方面具有优势，这对于朝工业化方向制造高效的大面积太阳能电池至关重要。然而，常规的固态配体交换过程阻碍了大面积CQD太阳能电池的发展，在传统的固态配体交换过程中，高成本的乏味处理对于促进用于光伏应用的CQD膜的电荷传输是必不可少的。在过去的几年中，CQD墨水的快速发展提高了设备性能，并大大简化了制造过程。CQD墨水与大多数工业化印刷技术兼容，证明了制造用于商业化的太阳能电池组件的潜力。本文旨在回顾基于PbX CQD墨水的太阳能电池的最新进展，包括由溶液相配体交换（SPLE）制备的实验室规模和大面积光伏设备，以及最近发明的“一步式”合成。我们希望吸引人们注意CQD墨水在开发高效，低成本大面积光伏电池方面的巨大潜力。包括由溶液相配体交换（SPLE）以及最近发明的“一步式”合成制备的实验室规模和大面积光伏器件。我们希望吸引人们注意CQD墨水在开发高效，低成本大面积光伏电池方面的巨大潜力。包括由溶液相配体交换（SPLE）以及最近发明的“一步式”合成制备的实验室规模和大面积光伏器件。我们希望吸引人们注意CQD墨水在开发高效，低成本大面积光伏电池方面的巨大潜力。

更新日期：2020-11-27

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