Research Topic

Low-cost Hole Transporting Materials for Highly-efficient and Stable Perovskite Solar Cells

About this Research Topic

Perovskite solar cells (PSCs) have received wide and intense attention, with a remarkable power conversion efficiency of over 25% having recently been achieved. To date, the most commonly used hole transport materials (HTMs) for PSCs include spiro-OMeTAD, PEDOT:PSS, and PTAA. The high cost and the dopant-caused stability issue of these materials hamper the commercial production of PSCs. The development of low-cost HTMs has become the frontier in the development of highly-efficient and stable PSCs.

This Research Topic will focus on the design, preparation, and application of low-cost HTMs for PSCs, including new small molecular organic, inorganic, and polymeric HTMs. These materials can be used in regular and inverted device structures. Particular interest will be paid to the new strategies of interfacial engineering and defect passivation to improve the efficiency and stability of PSCs. Studies on the development of new dopants or dopant-free HTMs represent other important endeavors as well. The goal of this collection is to highlight recent developments in this field and provide a platform for researchers with interest in PSCs to become aware of recent advances.

Original research articles, perspectives, and reviews are acceptable. The scope of the Research Topic includes, but is not limited to:

 • small molecular organic HTMs
 • inorganic HTMs
 • dopant-free HTMs
 • polymeric HTMs
 • studies on dopants
 • interfacial effects
 • defect passivation


Keywords: Perovskite solar cells (PSCs), Hole transport materials (HTMs), Solar energy conversions, Charge transport, Defect passivation


Important Note: All contributions to this Research Topic must be within the scope of the section and journal to which they are submitted, as defined in their mission statements. Frontiers reserves the right to guide an out-of-scope manuscript to a more suitable section or journal at any stage of peer review.

Perovskite solar cells (PSCs) have received wide and intense attention, with a remarkable power conversion efficiency of over 25% having recently been achieved. To date, the most commonly used hole transport materials (HTMs) for PSCs include spiro-OMeTAD, PEDOT:PSS, and PTAA. The high cost and the dopant-caused stability issue of these materials hamper the commercial production of PSCs. The development of low-cost HTMs has become the frontier in the development of highly-efficient and stable PSCs.

This Research Topic will focus on the design, preparation, and application of low-cost HTMs for PSCs, including new small molecular organic, inorganic, and polymeric HTMs. These materials can be used in regular and inverted device structures. Particular interest will be paid to the new strategies of interfacial engineering and defect passivation to improve the efficiency and stability of PSCs. Studies on the development of new dopants or dopant-free HTMs represent other important endeavors as well. The goal of this collection is to highlight recent developments in this field and provide a platform for researchers with interest in PSCs to become aware of recent advances.

Original research articles, perspectives, and reviews are acceptable. The scope of the Research Topic includes, but is not limited to:

 • small molecular organic HTMs
 • inorganic HTMs
 • dopant-free HTMs
 • polymeric HTMs
 • studies on dopants
 • interfacial effects
 • defect passivation


Keywords: Perovskite solar cells (PSCs), Hole transport materials (HTMs), Solar energy conversions, Charge transport, Defect passivation


Important Note: All contributions to this Research Topic must be within the scope of the section and journal to which they are submitted, as defined in their mission statements. Frontiers reserves the right to guide an out-of-scope manuscript to a more suitable section or journal at any stage of peer review.

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Submission Deadlines

10 January 2021 Manuscript
16 April 2021 Manuscript Extension

Participating Journals

Manuscripts can be submitted to this Research Topic via the following journals:

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Topic Editors

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Submission Deadlines

10 January 2021 Manuscript
16 April 2021 Manuscript Extension

Participating Journals

Manuscripts can be submitted to this Research Topic via the following journals:

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