Doping strategies of organic n-type materials in perovskite solar cells: a chemical perspective,Sustainable Energy & Fuels

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Doping strategies of organic n-type materials in perovskite solar cells: a chemical perspective
Sustainable Energy & Fuels ( IF 5.0 ) Pub Date : 2020-05-20 , DOI: 10.1039/d0se00276c
Andrea Cabrera-Espinoza _{1,

2,

3,

4,

5} , Silvia Collavini _{1,

2,

3,

4,

5} , Juan Luis Delgado _{1,

2,

3,

4,

5}

Affiliation

The ultimate aim of research dealing with perovskite solar cells (PSCs) is the commercialization of this novel kind of photovoltaic technology. In order to achieve this goal, the efficiency of the cells and even more their stability have to be optimized. Resorting to additives is a simple but effective technique to improve the performance of perovskite solar cells and enhance their stability. Several doping strategies have been tried during the years, involving either the charge transporting layers, the electrodes, or the perovskite layer. Doping has mostly been investigated within the field of hole transporting materials (HTMs), while less research has been focused on electron transporting layers (ETLs). Herein we summarize for the first time the most notable advances in the n-type doping of organic ETLs in PSCs, highlighting bathocuproines, halogen-ammonium salts, electron-donor molecules, N-DMBI and their derivatives, polymer-based dopants, carbon nanoforms, and other structures that cannot be classified in the previously categories.

中文翻译：

钙钛矿太阳能电池中有机n型材料的掺杂策略：化学观点

研究钙钛矿太阳能电池（PSC）的最终目的是将这种新颖的光伏技术商业化。为了实现该目标，必须优化电池的效率以及甚至更多的稳定性。诉诸添加剂是一种简单而有效的技术，可提高钙钛矿型太阳能电池的性能并增强其稳定性。这些年来，已经尝试了几种掺杂策略，包括电荷传输层，电极或钙钛矿层。掺杂主要是在空穴传输材料（HTM）领域内进行的，而较少的研究集中在电子传输层（ETL）上。在此，我们首次总结了PSC中有机ETL的n型掺杂最显着的进展，重点介绍了浴铜素，N -DMBI及其衍生物，基于聚合物的掺杂剂，碳纳米形式和其他无法归入先前类别的结构。

更新日期：2020-06-30

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