Publications related to Shallow-level defect passivation by 6H perovskite polytype for highly efficient and stable perovskite solar cells

Related publications (10)

Functionalized Phenyl Methanaminium Salts Provide Highly Stable Perovskite Solar Cells

Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Andreas Züttel, Liping Zhong, Xiaoxin Gao

One of the leading approaches to enhancing the performance and stability of perovskite solar cells (PSCs) involves passivating the perovskite surface and grain boundaries with large ammonium salts. Here, we report the synthesis of furan-, thiophene-, and s ...

2025

Pioneering non-thermal plasma as a defect passivator: a new Frontier in ambient metal halide perovskite synthesis

Mohammad Khaja Nazeeruddin

Growing energy demands make cost-effective, high-performance perovskite solar cells (PSCs) desirable. However, their commercial applications are limited due to defect formation and instability. Passivation technologies help enhance their favorable traits. ...

Royal Society of Chemistry2024

Boosting Interfacial Electron Transfer and CO2 Enrichment on ZIF-8/ZnTe for Selective Photoelectrochemical Reduction of CO2 to CO

Michael Graetzel, Shaik Mohammed Zakeeruddin, Dan Ren

Artificial photosynthesis is an effective way of converting CO2 into fuel and high value-added chemicals. However, the sluggish interfacial electron transfer and adsorption of CO2 at the catalyst surface strongly hamper the activity and selectivity of CO2 ...

2024

Zn/P ratio and microstructure defines carrier density and electrical transport mechanism in earth-abundant Zn3-xP2+y thin films

Mihai Adrian Ionescu, Anna Fontcuberta i Morral, Simon Robert Escobar Steinvall, Mahdi Zamani, Rajrupa Paul, Mirjana Dimitrievska, Valerio Piazza, Carlotta Gastaldi, Vanessa Conti

Scalable and sustainable photovoltaic technologies require low-cost and earth-abundant semiconducting materials. Zinc phosphide is purported to be an absorber material with optimal photovoltaic properties. Herein we report the electrical properties of Zn3P ...

2023

Balancing DSO interests and PV system economics with alternative tariffs

Robin Junod, Christophe Ballif, Nicolas Würsch, Alejandro Pena Bello

Distributed rooftop photovoltaics (PV) is one of the pillars of the energy transition yet their widespread integration strains grids, leading to over-voltage, reverse power flow, and infrastructure strain. Furthermore, increased PV self-consumption reduces ...

Elsevier Sci Ltd2023

Enabling full-scale grain boundary mitigation in polycrystalline perovskite solids

Michael Graetzel, Shaik Mohammed Zakeeruddin, Ulf Anders Hagfeldt, Jingshan Luo, Felix Thomas Eickemeyer, Yuhang Liu, Lichen Zhao

There exists a considerable density of interaggregate grain boundaries (GBs) and intra-aggregate GBs in polycrystalline perovskites. Mitigation of intra- aggregate GBs is equally notable to that of interaggregate GBs as intra-aggregate GBs can also cause d ...

AMER ASSOC ADVANCEMENT SCIENCE2022

Combined Precursor Engineering and Grain Anchoring Leading to MA-Free, Phase-Pure, and Stable alpha-Formamidinium Lead Iodide Perovskites for Efficient Solar Cells

Michael Graetzel, Shaik Mohammed Zakeeruddin, Yuhang Liu, Dan Ren, Jing Gao, Linfeng Pan, Carole Graetzel, Anurag Krishna, Hongwei Zhu, Olivier Ouellette

alpha-Formamidinium lead iodide (alpha-FAPbI(3)) is one of the most promising candidate materials for high-efficiency and thermally stable perovskite solar cells (PSCs) owing to its outstanding optoelectrical properties and high thermal stability. However, ...

Wiley-VCH Verlag GmbH2021

Synergistic Effect of Fluorinated Passivator and Hole Transport Dopant Enables Stable Perovskite Solar Cells with an Efficiency Near 24%

Michael Graetzel, Shaik Mohammed Zakeeruddin, Ulf Anders Hagfeldt, Felix Thomas Eickemeyer, Yuhang Liu, Linfeng Pan, Hongwei Zhu, Yameng Ren, Olivier Ouellette

Long-term durability is critically important for the commercialization of perovskite solar cells (PSCs). The ionic character of the perovskite and the hydrophilicity of commonly used additives for the hole-transporting layer (HTL), such as lithium bis(trif ...

2021

Origin of low electron-hole recombination rate in metal halide perovskites

Alfredo Pasquarello, Francesco Ambrosio, Julia Anna Wiktor

To address the slow recombination of photogenerated charges in tetragonal CH 3 NH 3 PbI 3 , the evolution of extra electrons and holes is simulated through advanced ab initio molecular dynamics. We show that the localization of the charge carriers and thei ...

2018

Study of Dye-Sensitized Solar Cells by Scanning Electron Micrograph Observation and Thickness Optimization of Porous TiO2 Electrodes

Michael Graetzel, Mohammad Khaja Nazeeruddin, Shaik Mohammed Zakeeruddin, Péter Kalman Péchy, Pascal Comte

2009