Title: 3D/2D multidimensional perovskites: Balance of high performance and stability for perovskite solar cells

Journal Article · · Current Opinion in Electrochemistry
 [1];  [1];  [1]
  1. National Renewable Energy Lab. (NREL), Golden, CO (United States)

Here, the power conversion efficiency achieved in three-dimensional (3D) perovskite solar cells (PSCs) is already competitive with that of commercial silicon solar cells. Achieving long-term stability under operation conditions is critical for reaching market success for PSC applications. Despite impressive progress over the past few years on fundamental understandings and technical innovations for improving PSC stability, the stability of PSCs against moisture/heat/light is still a key focus of research efforts for PSC development. Recent studies suggest that the long hydrophobic organic spacer in two-dimensional (2D) perovskites is helpful to improve perovskite stability, but 2D perovskites seem limited on obtaining high-performance solar cells due to its wide optical bandgaps and limited charge transport. To overcome this challenge, 3D/2D multidimensional perovskites - with an intermediate dimensionality between 3D and 2D - has recently emerged as a potential candidate to simultaneously maintain long-term stability and high performance. In this review, we first present a detailed discussion of the structure of 3D/2D multidimensional perovskites and their unique properties. Second, we discuss the stability of 3D/2D multidimensional perovskite and 2D perovskite as interface engineering layer-based solar cells. Finally, we summarize and outline the perspectives toward high-performance 3D/2D multidimensional perovskite-based solar cells.

Research Organization:
National Renewable Energy Laboratory (NREL), Golden, CO (United States)
Sponsoring Organization:
USDOE; USDOE Office of Energy Efficiency and Renewable Energy (EERE), Solar Energy Technologies Office (EE-4S)
Grant/Contract Number:
AC36-08GO28308
OSTI ID:
1478733
Report Number(s):
NREL/JA-5900-72321
Journal Information:
Current Opinion in Electrochemistry, Journal Name: Current Opinion in Electrochemistry Vol. 11; ISSN 2451-9103
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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Improving Charge Transport via Intermediate‐Controlled Crystal Growth in 2D Perovskite Solar Cells journal April 2019
Additive Engineering for Efficient and Stable Perovskite Solar Cells journal October 2019
Enhanced Charge Transport by Incorporating Formamidinium and Cesium Cations into Two‐Dimensional Perovskite Solar Cells journal July 2019
Enhanced Charge Transport by Incorporating Formamidinium and Cesium Cations into Two-Dimensional Perovskite Solar Cells journal July 2019
Carbon-based materials for stable, cheaper and large-scale processable perovskite solar cells journal January 2019
Water in hybrid perovskites: Bulk MAPbI 3 degradation via super-hydrous state journal April 2019
Beneficial impact of materials with reduced dimensionality on the stability of perovskite-based photovoltaics journal August 2019