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Hiroyuki Kanda

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Publications associées (61)

Hole-Transporting Materials for Perovskite Solar Cells Employing an Anthradithiophene Core

Mohammad Khaja Nazeeruddin, Iwan Zimmermann, Inés Garcia Benito, Hiroyuki Kanda

A decade after the report of the first efficient perovskite-based solar cell, development of novel hole-transporting materials (HTMs) is still one of the main topics in this research field. Two of the main advance vectors of this topic lie in obtaining mat ...

AMER CHEMICAL SOC2021

Branched Methoxydiphenylamine-Substituted Carbazole Derivatives for Efficient Perovskite Solar Cells: Bigger Is Not Always Better

Mohammad Khaja Nazeeruddin, Kasparas Rakstys, Yi Zhang, Hiroyuki Kanda, Jianxing Xia

A set of novel branched molecules bearing a different number of 3,6-bis(4,4'-dimethoxydiphenylamino)carbazole-based (CzOMeDPA) periphery arms linked together by aliphatic chains have been developed, and their performance has been tested in perovskite solar ...

AMER CHEMICAL SOC2021

Molecular Engineering of Thienyl Functionalized Ullazines as Hole-Transporting Materials for Perovskite Solar Cells

Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Yi Zhang, Hiroyuki Kanda, Cansu Igci, Nadja Isabelle Desiree Klipfel, Maria Cristina Momblona Rincón, Bin Ding

Organic hole-transporting materials (HTMs) based on the Ullazine core yield so far only moderate power conversion efficiencies of up to 13.08% in perovskite solar cells (PSCs). Aiming to fabricate efficient and stable PSCs, novel Ullazine derivatives beari ...

WILEY-V C H VERLAG GMBH2021

Engineering long-term stability into perovskite solar cells via application of a multi-functional TFSI-based ionic liquid

Mohammad Khaja Nazeeruddin, Rosario Scopelliti, Paul Joseph Dyson, Zhaofu Fei, Farzaneh Fadaei Tirani, Andreas Züttel, Yi Zhang, Wen Luo, Hiroyuki Kanda, Bin Ding, Bing Zhang

Organic-inorganic metal-halide perovskite solar cells (PSCs) have achieved a certified power-conversion efficiency (PCE) of 25.5%. However, long-term stability and air stability of the PSCs are still major concerns and hamper commercialization. Herein, we ...

2021

Nanoscale Mass-Spectrometry Imaging of Grain Boundaries in Perovskite Semiconductors

Mohammad Khaja Nazeeruddin, Paul Gratia, Tom Theodorus Antonius Lummen, Iwan Zimmermann, Hiroyuki Kanda

Incorporation of alkali metals such as Cs+, Rb+, and K+ into hybrid organic-inorganic halide lead perovskites (HOIPs) generally improves the optoelectronic properties of HOIPs. However, it is still uncertain how alkali metals interact and distribute within ...

2020

Increasing efficiency of perovskite solar cells using low concentrating photovoltaic systems (vol 4, pg 528, 2020)

Mohammad Khaja Nazeeruddin, Hasan Baig, Hiroyuki Kanda

Correction for 'Increasing efficiency of perovskite solar cells using low concentrating photovoltaic systems' by Hasan Baiget al.,Sustainable Energy Fuels, 2020,4, 528-537, DOI: ;10.1039/c9se00550a. ...

2020

D-pi-A-Type Triazatruxene-Based Dopant-Free Hole Transporting Materials for Efficient and Stable Perovskite Solar Cells

Mohammad Khaja Nazeeruddin, Kasparas Rakstys, Sanghyun Paek, Cristina Roldán Carmona, Hiroyuki Kanda, Cansu Igci, Hobeom Kim

Three donor-pi-bridge-acceptor (D-pi-A)-type organic small molecules coded CI-B1, CI-B2, and CI-B3 are designed, synthesized, and used as dopant-free hole transporting materials (HTMs) for perovskite solar cells (PSCs). The strong electron-donating triazat ...

WILEY-V C H VERLAG GMBH2020

Carbazole-Terminated Isomeric Hole-Transporting Materials for Perovskite Solar Cells

Mohammad Khaja Nazeeruddin, Kasparas Rakstys, Sanghyun Paek, Hiroyuki Kanda

A set of novel hole-transporting materials (HTMs) based on pi-extension through carbazole units was designed and synthesized via a facile synthetic procedure. The impact of isomeric structural linking on their optical, thermal, electrophysical, and photovo ...

AMER CHEMICAL SOC2020

Gradient band structure: high performance perovskite solar cells using poly(bisphenol A anhydride-co-1,3-phenylenediamine)

Mohammad Khaja Nazeeruddin, Sanghyun Paek, Cristina Roldán Carmona, Aron Joel Huckaba, Hiroyuki Kanda, Mousa Abdulla M E Abuhelaiqa, Nadja Isabelle Desiree Klipfel, Albertus Adrian Sutanto, Hobeom Kim, Maria Cristina Momblona Rincón, Ryuji Kaneko

Surface passivation is a critical factor for improving the photovoltaic performance of perovskite solar cells. However, more robust principle investigations are required to build effective passivation strategies enabling high-performance perovskite solar c ...

Royal Society of Chemistry2020

Band-bending induced passivation: high performance and stable perovskite solar cells using a perhydropoly(silazane) precursor

Mohammad Khaja Nazeeruddin, Mounir Driss Mensi, Valentin Ianis Emmanuel Queloz, Yonghui Lee, Kyung Taek Cho, Sanghyun Paek, Cristina Roldán Carmona, Aron Joel Huckaba, Giulia Grancini, Yi Zhang, Hiroyuki Kanda, Nadja Isabelle Desiree Klipfel, Mo Li

Surface passivation of the perovskite photo absorber is a key factor to improve the photovoltaic performance. So far robust passivation strategies have not yet been revealed. Here, we demonstrate a successful passivation strategy which controls the Fermi-l ...

2020

Optoelectronic and Energy Level Exploration of Bismuth and Antimony-Based Materials for Lead-Free Solar Cells

Mohammad Khaja Nazeeruddin, Tom Theodorus Antonius Lummen, Inés Garcia Benito, Hiroyuki Kanda, Ryosuke Nishikubo

Bismuth- and antimony-based materials, such as A(3)M(2)X(9) and AMSX(2) (A = cation, M = Bi, Sb, S = sulfur, X = halogen), are promising candidates as the counterpart to lead halide perovskite. However, the large number of different compositions and crysta ...

2020

The Synergism of DMSO and Diethyl Ether for Highly Reproducible and Efficient MA(0.5)FA(0.5)PbI(3)Perovskite Solar Cells

Keith Gregory Brooks, Mohammad Khaja Nazeeruddin, Yonghui Lee, Tom Theodorus Antonius Lummen, Yi Zhang, Hiroyuki Kanda, Ruiyuan Hu, Min Chen

Composition and film quality of perovskite are crucial for the further improvement of perovskite solar cells (PSCs), including efficiency, reproducibility, and stability. Here, it is demonstrated that by simply mixing 50% of formamidinium (FA(+)) into meth ...

2020

Inkjet-Printed TiO2/Fullerene Composite Films for Planar Perovskite Solar Cells

Mohammad Khaja Nazeeruddin, Emad Oveisi, Aron Joel Huckaba, Inés Garcia Benito, Hiroyuki Kanda

Perovskite solar cells have garnered and held international research interest, due to ever-climbing power conversion efficiency values, now >25 %. Some high efficiency configurations utilize a compact TiO2 layer underneath a mesoporous TiO2 layer, both of ...

WILEY-V C H VERLAG GMBH2020

Increasing efficiency of perovskite solar cells using low concentrating photovoltaic systems

Mohammad Khaja Nazeeruddin, Hasan Baig, Hiroyuki Kanda

Perovskite solar cell (PSC) technology is the flag bearer for the future of photovoltaics allowing unlimited possibilities for its application. This technology is currently limited by issues related to its scale-up, stability and the composition of the mat ...

2020

Light Stability Enhancement of Perovskite Solar Cells Using 1H,1H,2H,2H-Perfluorooctyltriethoxysilane Passivation

Mohammad Khaja Nazeeruddin, Hiroyuki Kanda, Cansu Igci, Mousa Abdulla M E Abuhelaiqa, Albertus Adrian Sutanto, Maria Cristina Momblona Rincón

Passivation approaches of perovskite surface are key to improve the light stability of perovskite solar cells. However, a passivation strategy is still required to enhance the durability of the perovskite layer. Here, a promising passivation concept is dem ...

WILEY-V C H VERLAG GMBH2020

Co-evaporation as an optimal technique towards compact methylammonium bismuth iodide layers

Mohammad Khaja Nazeeruddin, Mounir Driss Mensi, Cristina Roldán Carmona, Hiroyuki Kanda, Albertus Adrian Sutanto, Maria Cristina Momblona Rincón

the most studied perovskite‑based solar cells reported up to date contain the toxic lead in its composition. photovoltaic research and development towards non‑toxic, lead‑free perovskite solar cells are critical to finding alternatives to reduce human heal ...

Nature Research2020

Molecular Design and Operational Stability: Toward Stable 3D/2D Perovskite Interlayers

Mohammad Khaja Nazeeruddin, Anne-Clémence Corminboeuf, Kyung Taek Cho, Marius Franckevicius, Sanghyun Paek, Cristina Roldán Carmona, Nikita Drigo, Kun-Han Lin, Pascal Alexander Schouwink, Hiroyuki Kanda, Hobeom Kim

Despite organic/inorganic lead halide perovskite solar cells becoming one of the most promising next-generation photovoltaic materials, instability under heat and light soaking remains unsolved. In this work, a highly hydrophobic cation, perfluorobenzylamm ...

2020

Stable perovskite solar cells using tin acetylacetonate based electron transporting layers

Mohammad Khaja Nazeeruddin, Robin Humphry-Baker, Emad Oveisi, Yonghui Lee, Kyung Taek Cho, Sanghyun Paek, Aron Joel Huckaba, Yi Zhang, Hiroyuki Kanda, Mousa Abdulla M E Abuhelaiqa, Hobeom Kim

Organic-inorganic lead halide perovskites with over 23% power conversion efficiency have attracted enormous academic and industrial attention due to their low-cost fabrication and high device performance. Self-passivated tin oxide as an electron transport ...

ROYAL SOC CHEMISTRY2019

Perovskite Solar Cells Using Surface-Modified NiOx Nanoparticles as Hole Transport Materials in n-i-p Configuration

Mohammad Khaja Nazeeruddin, Tom Theodorus Antonius Lummen, Hiroyuki Kanda, Ryuji Kaneko

Modified NiOx nanoparticles (NPs) developed via surface engineering are applied to a hole transport layer (HTL) in n-i-p-structured perovskite solar cells (PSCs). Hexanoic acid (HA) as a surfactant improves the dispersibility of NiOx NPs in chlorobenzene ( ...

2019

Perovskite Solar Cells: 18% Efficiency Using Zn(II) and Cu(II) Octakis(diarylamine)phthalocyanines as Hole-Transporting Materials

Mohammad Khaja Nazeeruddin, Kasparas Rakstys, Valentin Ianis Emmanuel Queloz, Kyung Taek Cho, Marius Franckevicius, Sanghyun Paek, Hiroyuki Kanda

Metallophthalocyanines (MPcs) are currently emerging as alternative hole-transporting materials (HTMs) in perovskite solar cells (PSCs). However, the lack of systematic structure/photovoltaic properties investigations still hampers the rational design of M ...

2019

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