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A sequential condensation route as a versatile platform for low cost and efficient hole transport materials in perovskite solar cells

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The ionic defects of hetero-junction interfaces always attract and trap carriers via surface electrostatic forces, which are crucial for the efficiency and intrinsic stability of perovskite solar cells (PSCs). Herein, functionalized carbon nanotubes (CNTs) ...

ROYAL SOC CHEMISTRY2023

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The lack of organic non-fullerene ETMs with good electron transport and device stability is an important problem for the further development and commercialization of perovskite solar cells. Herein, the use of SubPcs as ETMs in PSCs is explored. To this end ...

FRONTIERS MEDIA SA2022

The evolution of triphenylamine hole transport materials for efficient perovskite solar cells

Mohammad Khaja Nazeeruddin

In recent years, the dramatic increase in power conversion efficiency (PCE) coupled with a decrease in the total cost of third-generation solar cells has led to a significant increase in the collaborative research efforts of academic and industrial researc ...

ROYAL SOC CHEMISTRY2022

Perovskite solar cells have emerged as the most promising cheaper photovoltaic technology. Besides solar cells, halide perovskites have a wide range of applications due to their remarkable optoelectronic properties. Starting from 3.8% in 2009, solar to the ...

EPFL2022

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The power conversion efficiency of perovskite solar cells is approaching the Shockley-Queisser limit, and therefore this technology is next to the commercialization stage. Inexpensive and stable hole transporting materials are highly desirable for the succ ...

ROYAL SOC CHEMISTRY2021

Formation and Stabilization of Inorganic Halide Perovskites for Photovoltaics

Ulf Anders Hagfeldt, Jiahuan Zhang, Zaiwei Wang, Wanchun Xiang

In the last decade, halide perovskites have emerged as new semiconductors that revolutionize the photovoltaic field. Among this family of materials, all-inorganic halide perovskites are becoming a research paradigm because of their outstanding photophysica ...

ELSEVIER2021

Molecular engineering of simple carbazole-arylamine hole-transport materials for perovskite solar cells

Mohammad Khaja Nazeeruddin, Yong Ding, Xuehui Liu, Cheng Liu

We report synthesis and characterization of novel hole-transport materials (HTMs) with substituents, methylsulfonyl, N,N-dimethylamino or methoxy groups, introduced onto the N of the carbazole unit of carbazole-arylamine and their application in perovskite ...

2020

Template-Assisted Formation of High-Quality alpha-Phase HC(NH2)(2)PbI3 Perovskite Solar Cells

Mohammad Khaja Nazeeruddin, Yong Ding, Xuehui Liu, Cheng Liu

Formamidinium (FA) lead halide (alpha-FAPbI(3)) perovskites are promising materials for photovoltaic applications because of their excellent light harvesting capability (absorption edge 840 nm) and long carrier diffusion length. However, it is extremely di ...

2019

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In the last decade, perovskite solar cells have been considered a promising and burgeoning technology for solar energy conversion with a power conversion efficiency currently exceeding 24%. However, although perovskite solar cells have achieved high power ...

ROYAL SOC CHEMISTRY2019

Efficiency vs. stability: dopant-free hole transporting materials towards stabilized perovskite solar cells

Mohammad Khaja Nazeeruddin, Kasparas Rakstys, Cansu Igci

2019