Explanipedia

Suppressing Halide Segregation in Wide‐Bandgap Perovskite Absorbers by Transamination of Formamidinium Open

Georgios Loukeris, Clemens Baretzky, Dmitry Bogachuk, Audrey E. Gillen, Bowen Yang , et al. · 2025

All‐perovskite tandem solar cells are emerging at a fast rate because of their potential to exceed efficiencies of Si‐perovskite tandems, in combination with faster manufacturing, lower cost, and the ability to be processed on flexible sub…

Tailoring perovskite crystallization and interfacial passivation in efficient, fully textured perovskite silicon tandem solar cells Open

Oussama Er‐raji, Mohamed A. A. Mahmoud, Oliver Fischer, Alexandra J. Ramadan, Dmitry Bogachuk , et al. · 2024

The Dual Use of SAM Molecules for Efficient and Stable Perovskite Solar Cells Open

Jiajia Suo, Bowen Yang, Dmitry Bogachuk, Gerrit Boschloo, Anders Hagfeldt · 2024

Perovskite solar cells (PSCs) hold significant promise as the next‐generation materials in photovoltaic markets, owing to their ability to achieve impressive power conversion efficiencies, streamlined fabrication processes, cost‐effective …

ANTI-CORROSION COATING BASED ON PRODUCTION AND CONSUMPTION WASTE Open

E. S. Sergeev, Dmitry Bogachuk, О. П. Филиппова, O.V. Ladygina · 2024

The process of corrosive decay of metal products leads to serious consequences both for the products themselves and for the quality of the environment, therefore protection against corrosion is carried out by isolating structures from an a…

The resource demands of multi-terawatt-scale perovskite tandem photovoltaics Open

Lukas Wagner, Jiajia Suo, Bowen Yang, Dmitry Bogachuk, Estelle Gervais , et al. · 2024

Remanufacturing Perovskite Solar Cells and Modules–A Holistic Case Study Open

Dmitry Bogachuk, Peter Van Der Windt, Lukas Wagner, David Martineau, Stèphanie Narbey , et al. · 2024

While perovskite photovoltaic (PV) devices are on the verge of commercialization, promising methods to recycle or remanufacture fully encapsulated perovskite solar cells (PSCs) and modules are still missing. Through a detailed life-cycle a…

Multifunctional sulfonium-based treatment for perovskite solar cells with less than 1% efficiency loss over 4,500-h operational stability tests Open

Jiajia Suo, Bowen Yang, Edoardo Mosconi, Dmitry Bogachuk, Tiarnan A. S. Doherty , et al. · 2024

A universal ligand for lead coordination and tailored crystal growth in perovskite solar cells Open

Bowen Yang, Jiajia Suo, Dmitry Bogachuk, Waldemar Kaiser, Clemens Baretzky , et al. · 2024

Phenylguanidine, a strong ligand in the precursor solution, retards crystallization to enlarge grain sizes and reduce defect density of a perovskite film, demonstrating excellent universality across various compositions.

Rethinking Electrochemical Deposition of Nickel Oxide for Photovoltaic Applications Open

Dmitry Bogachuk, Clemens Baretzky, Jonas Eckert, Bowen Yang, Jiajia Suo , et al. · 2023

A thin layer of sputtered or wet‐processed nickel oxide (NiO x ) is often used to fabricate perovskite solar cells (PSCs). Remarkably, NiO x can also be deposited by a recently developed electrochemical method, which is considered promisin…

The Resource Demand of Terawatt-Scale Perovskite Tandem Photovoltaics Open

Lukas Wagner, Jiajia Suo, Bowen Yang, Dmitry Bogachuk, Estelle Gervais , et al. · 2023

Photovoltaics (PV) is the most important energy conversion technology for cost-efficient climate change mitigation. To reach the international climate goals, the annual PV module production capacity must be expanded to multi-terawatt scale…

The Resource Demand of Terawatt-Scale Perovskite Tandem Photovoltaics Open

Lukas Wagner, Jiajia Suo, Bowen Yang, Dmitry Bogachuk, Estelle Gervais , et al. · 2023

Nanoarchitectonics in fully printed perovskite solar cells with carbon-based electrodes Open

Dmitry Bogachuk, Jessica Girard, Siddharth Tilala, David Martineau, Stèphanie Narbey , et al. · 2023

In this work, we demonstrate a novel nanoarchitectonic approach to tailor perovskite crystal growth leading to the enhancement of the opto-electronic properties and power conversion efficiency of perovskite solar cells.

Nanoarchitectonics in fully printed perovskite solar cells with carbon-based electrodes Open

Dmitry Bogachuk, Jessica Girard, Siddharth Tilala, David Martineau, Stèphanie Narbey , et al. · 2022

A sacrificial film of polystyrene nanoparticles was utilized to introduce nano-cavities in mesoporous metal oxide layers. This enabled the growth of larger perovskite crystals inside the oxide scaffold with significantly suppressed non-rad…

Remanufacturing Perovskite Solar Cells and Modules – a Holistic Case Study Open

Dmitry Bogachuk, Peter Van Der Windt, Lukas Wagner, David Martineau, Stèphanie Narbey , et al. · 2022

Revealing fundamentals of charge extraction in photovoltaic devices through potentiostatic photoluminescence imaging Open

Lukas Wagner, Patrick Schygulla, Jan Herterich, Mohamed Elshamy, Dmitry Bogachuk , et al. · 2022

The photocurrent density-voltage (J(V)) curve is the fundamental characteristic to assess opto-electronic devices, in particular solar cells. However, it only yields information on the performance inte-grated over the entire active device …

Employing 2D‐Perovskite as an Electron Blocking Layer in Highly Efficient (18.5%) Perovskite Solar Cells with Printable Low Temperature Carbon Electrode Open

Salma Zouhair, So‐Min Yoo, Dmitry Bogachuk, Jan Herterich, Jae-Keun Lim , et al. · 2022

Interface engineering and passivating contacts are key enablers to reach the highest efficiencies in photovoltaic devices. While printed carbon–graphite back electrodes for hole‐transporting material (HTM)‐free perovskite solar cells (PSCs…

Perovskite Solar Cells with Carbon‐Based Electrodes – Quantification of Losses and Strategies to Overcome Them Open

Dmitry Bogachuk, Bowen Yang, Jiajia Suo, David Martineau, Anand Verma , et al. · 2022

Carbon‐based electrodes represent a promising approach to improve stability and up‐scalability of perovskite photovoltaics. The temperature at which these contacts are processed defines the absorber grain size of the perovskite solar cell:…

Strain effects on halide perovskite solar cells Open

Bowen Yang, Dmitry Bogachuk, Jiajia Suo, Lukas Wagner, Hobeom Kim , et al. · 2022

This review systematically describes the origins, characterization and implications of strain in perovskite solar cells and proposes novel control strategies.

Fill Factor Assessment in Hole Selective Layer Free Carbon Electrode‐Based Perovskite Solar Cells with 15.5% Certified Power Conversion Efficiency Open

Salma Zouhair, Bin Luo, Dmitry Bogachuk, David Martineau, Lukas Wagner , et al. · 2021

Carbon‐electrode‐based perovskite solar cells (C‐PSCs) are promising candidates for commercialization due to their high stability. However, the absence of a hole selective layer (HSL) often limits their performance, yielding low fill facto…

Revealing Fundamentals of Charge Extraction in Photovoltaic Devices Through Potentiostatic Photoluminescence Imaging Open

Lukas Wagner, Patrick Schygulla, Jan Herterich, Mohamed Elshamy, Dmitry Bogachuk , et al. · 2021

The photocurrent density-voltage ( J ( V )) curve is the fundamental characteristic to assess opto-electronic devices, in particular solar cells. However, it only yields information on the performance integrated over the entire active devi…

Revealing Fundamentals of Charge Extraction in Photovoltaic Devices Through Potentiostatic Photoluminescence Imaging Open

Lukas Wagner, Patrick Schygulla, Jan Herterich, Mohamed Elshamy, Dmitry Bogachuk , et al. · 2021

The photocurrent density-voltage (J(V)) curve is the fundamental characteristic to assess opto-electronic devices, in particular solar cells. However, it only yields information on the performance integrated over the entire active device a…

Interfacial Passivation Engineering of Perovskite Solar Cells with Fill Factor over 82% and Outstanding Operational Stability on n-i-p Architecture Open

Bowen Yang, Jiajia Suo, Francesco Di Giacomo, Selina Olthof, Dmitry Bogachuk , et al. · 2021

Tremendous efforts have been dedicated toward minimizing the open-circuit voltage deficits on perovskite solar cells (PSCs), and the fill factors are still relatively low. This hinders their further application in large scalable modules. H…

Perovskite Photovoltaic Devices with Carbon‐Based Electrodes Withstanding Reverse‐Bias Voltages up to –9 V and Surpassing IEC 61215:2016 International Standard Open

Dmitry Bogachuk, Karima Saddedine, David Martineau, Stèphanie Narbey, Anand Verma , et al. · 2021

One of the key challenges of perovskite photovoltaics (PV) is the long‐term stability. Although efforts are made to improve the lifetime of perovskite PV devices, their degradation under reverse‐bias conditions is barely addressed. Herein,…

Quantifying Losses of Perovskite Solar Cells with Carbon-based Back-contacts and Outlining a Roadmap for Boosting Their Power Conversion Efficiencies Open

Dmitry Bogachuk, Andreas Hinsch, Jiajia Suo, David Martineau, Anand Verma , et al. · 2021

Numerous studies have shown that perovskite solar cells with carbon-based contacts (C-PSCs) provide strong potential for delivering stable and up-scalable perovskite photovoltaic devices. However, their power conversion efficiencies (PCEs)…

Comparison of highly conductive natural and synthetic graphites for electrodes in perovskite solar cells Open

Dmitry Bogachuk, Ryuki Tsuji, David Martineau, Stèphanie Narbey, Jan Herterich , et al. · 2021

In this work we compare seven different types of natural and synthetic graphite particles and examine how their integration into the cathode of carbon-based perovskite solar cells (C–PSCs) is influencing their opto-electronic properties. B…

Function of Porous Carbon Electrode during the Fabrication of Multiporous-Layered-Electrode Perovskite Solar Cells Open

Ryuki Tsuji, Dmitry Bogachuk, David Martineau, Lukas Wagner, Eiji Kobayashi , et al. · 2020

We demonstrate the effect of sheet conductivity and infiltration using the example of two graphite types, showing that, in general, the graphite type is very important. Amorphous and pyrolytic graphite were applied to carbon electrodes in …

A 2D Model for Interfacial Recombination in Mesoscopic Perovskite Solar Cells with Printed Back Contact Open

Lukas Wagner, Cheng Qiu, Moritz Unmüssig, Dmitry Bogachuk, Simone Mastroianni , et al. · 2020

A physical model to explain the 2D charge recombination in mesoscopic graphite‐based perovskite solar cells (PSCs) having a highly selective front electrode and a nonselective back electrode is presented. Steady‐state photovoltage and phot…

Activation of Weak Monochromic Photocurrents by White Light Irradiation for Accurate IPCE Measurements of Carbon-Based Multi-Porous-Layered-Electrode Perovskite Solar Cells Open

Ryuki Tsuji, Dmitry Bogachuk, Bin Luo, David Martineau, Eiji Kobayashi , et al. · 2020

Variations in the time courses of the activation of fully-printable carbon-based multi-porous-layered-electrode perovskite solar cells (MPLE-PSCs) can lead to differences between the photocurrent density (Jsc) values obtained from one-sun …

CCDC 1997919: Experimental Crystal Structure Determination Open

Dmitry Bogachuk, Lukas Wagner, Simone Mastroianni, Michael Daub, Harald Hillebrecht , et al. · 2020

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …

Double-Mesoscopic Hole-Transport-Material-Free Perovskite Solar Cells: Overcoming Charge-Transport Limitation by Sputtered Ultrathin Al<sub>2</sub>O<sub>3</sub> Isolating Layer Open

Gayathri Mathiazhagan, Lukas Wagner, Shankar Bogati, Kübra Yasaroglu Ünal, Dmitry Bogachuk , et al. · 2020

The electrically insulating space layer takes a fundamental role in monolithic carbon-graphite based perovskite solar cells (PSCs) and it has been established to prevent the charge recombination of electrons at the mp-TiO₂/carbo…

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