Improving the efficiency and stability of tin-based perovskite solar cells using anilinium hypophosphite additive

Abstract

Tin (Sn) is a potential replacement of lead in the organic-inorganic perovskite solar cells (PVSCs) technology due to the attractive optoelectronic properties of Sn-perovskites. However, the poor stability of Sn2+...

A Roadmap for Efficient and Stable All-Perovskite Tandem Solar Cells from a Chemistry Perspective

“…Adding reducing agents and antioxidants, such as hypophosphorous acid, , ascorbic acid (AA), formamidine sulfinic acid, etc., is an effective way to hinder the oxidation of Sn 2+ in the perovskite. We have found that the introduction of metallic Sn powders into Sn–Pb perovskite precursor ink suppresses the oxidation of Sn 2+ to Sn 4+ through a comproportionation reaction (Sn 4+ + Sn 0 → 2Sn 2+ ), resulting in improved performance and stability (Figure c) .…”

Enhancement on charge transfer properties of Cu12Sb4S13 quantum dots hole transport materials by surface ligand modulation in perovskite solar cells

“…However, the poor stability of perovskite solar cells still limits their industrial application. [11][12][13][14] Besides the decomposition of the perovskite structure, the expensive organic hole transport materials (HTMs) also have unsatisfied long-term stability. Although many efforts have been focused on improving carrier mobility and reducing the cost of the materials, it is still significantly important to develop new HTMs to improve the stability of perovskite solar cells.…”

Design and Modelling of Eco-Friendly CH3NH3SnI3-Based Perovskite Solar Cells with Suitable Transport Layers

“…Moreover, defect free crystallization of Sn-based perovskite significantly impacts cell performance. Though several efforts have been made to tackle the aforementioned issues and prevent the occurrence of defects [18][19][20][21][22][23][24][25][26][27][28], there is still ample room for improvement as the maximum efficiency (13.24%) for SnX 3 -based perovskite solar cells (PSCs) [29] and stability reached at 3800 h [30] are still lower than its SQ limit.…”