Abstract

Hybrid organic–inorganic perovskite (HOIP) photovoltaics have emerged as a promising new technology for the next generation of photovoltaics since their first development 10 years ago, and show a high-power conversion efficiency (PCE) of about 29.3%. The power-conversion efficiency of these perovskite photovoltaics depends on the base materials used in their development, and methylammonium lead iodide is generally used as the main component. Perovskite materials have been further explored to increase their efficiency, as they are cheaper and easier to fabricate than silicon photovoltaics, which will lead to better commercialization. Even with these advantages, perovskite photovoltaics have a few drawbacks, such as their stability when in contact with heat and humidity, which pales in comparison to the 25-year stability of silicon, even with improvements are made when exploring new materials. To expand the benefits and address the drawbacks of perovskite photovoltaics, perovskite–silicon tandem photovoltaics have been suggested as a solution in the commercialization of perovskite photovoltaics. This tandem photovoltaic results in an increased PCE value by presenting a better total absorption wavelength for both perovskite and silicon photovoltaics. In this work, we summarized the advances in HOIP photovoltaics in the contact of new material developments, enhanced device fabrication, and innovative approaches to the commercialization of large-scale devices.

Highlights

  • Silicon photovoltaics (PVs) have successfully achieved a high power conversion efficiency (PCE) of 26.7% [1] and this nearly approaches the theoretical limit value (29.4%) [2], and has led the PV sale sector, with more than 90% of the market share [3]

  • We present a review that summarized advances in perovskite to perovskite–silicon tandem PVs, as this leads to a better commercialization

  • A recent investigation, conducted by Green et al [1] on perovskite–silicon tandem PVs, states that a high PCE value of 29.15% had been achieved with an area of 1.060 cm2

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Summary

Introduction

Silicon photovoltaics (PVs) have successfully achieved a high power conversion efficiency (PCE) of 26.7% [1] and this nearly approaches the theoretical limit value (29.4%) [2], and has led the PV sale sector, with more than 90% of the market share [3]. With more research being focused on perovskites, HOIPs have been a focus since their emergence, and have shown numerous great characteristics, such as easy growth due to their cubic structures [9,10], a wide absorption range compatible with the solar spectrum [11], and a low exciton binding energy with a long carrier diffusion length [12] All of these examples make HOIPs promising materials for emerging photovoltaic technology. All of these efforts are still very young technologies, but enable remarkable PCEs, close to—or even above—those of the best single-junction cells [33,34] This potential has been recognized, by various research institutes, and by several start-up companies, such as Oxford PV, Swift Solar, and Tandem PV, who have developed their own perovskite PVs for commercialization. We highlight future research rections to achieve advances in extensive directions to achieve advances in extensive commercialization

Materials
Methylammonium Lead Triiodide (MAPbI3 )
Formamidinium Lead Triiodide (FAPbI3 )
Mixed-Cation Perovskite
Fabrication Methods
Solution Processing-Based Method
Spin-Coating
Drop-Casting
Spray-Coating
Doctor Blade
Slot-Die Coating
Ink-Jet Printing
Vapor-Based Method
Vapor-Based
2.2.10. Physical Vapor Deposition
Method
Materials and Device Characterizations
Perovskite
Schematic
Large Scale Modules
Improvements to Perovskite Material and Its Tandem Structures
Commercialization
Summary
Findings
10. Scheme of theof progress of perovskite tandem
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