Functional Materials for Fabrication of Carbon-Based Perovskite Solar Cells: Ink Formulation and Its Effect on Solar...

Area of Science:

• Materials Science
• Renewable Energy
• Photovoltaics

Background:

• Perovskite solar cells (PSCs) are a promising photovoltaic technology with efficiencies over 25%, complementing silicon solar cells.
• Carbon-based, hole-conductor-free PSCs (C-PSCs) are particularly attractive for commercialization due to their stability, low cost, and simplified fabrication.
• Enhancing charge separation, extraction, and transport is key to improving C-PSC performance.

Purpose of the Study:

• To review strategies for boosting power conversion efficiency in C-PSCs.
• To examine advancements in electron transport materials, hole transport layers, and carbon electrodes for C-PSCs.
• To discuss printing techniques and scalable manufacturing for C-PSC devices and modules.

Main Methods:

• Literature review of recent advancements in C-PSC technology.
• Analysis of strategies for optimizing charge dynamics within C-PSCs.
• Examination of various fabrication and deposition techniques for C-PSCs.

Main Results:

• Identified key material modifications and strategies for enhanced charge management in C-PSCs.
• Highlighted successful printing techniques yielding high performance in small-scale C-PSC devices.
• Discussed the potential for scalable manufacturing of perovskite solar modules.

Conclusions:

• Optimizing materials and fabrication processes are crucial for advancing C-PSC technology.
• Printing techniques offer viable pathways for efficient and cost-effective C-PSC production.
• Further development in scalable manufacturing is essential for the commercial realization of C-PSCs.