Mohammad Khaja Nazeeruddin

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The incorporation of electron transport layers based on single-crystalline TiO2 rhombohedral nanoparticles enables the realization of stable and efficient large-area perovskite solar cell modules. ...

Although sunlight-driven water splitting is a promising route to sustainable hydrogen fuel production, widespread implementation is hampered by the expense of the necessary photovoltaic and photoelectrochemical apparatus. Here, we describe a highly efficie ...

Energy transfer from phosphorescent ruthenium complex N877 dissolved in the liquid electrolyte to the squaraine sensitizer SQ1 anchored on the titanium oxide surface resulted in a four fold increase in external quantum efficiency in the blue part of the vi ...

Iodide migration causes degradation of the perovskite solar cells. Here, we observe the direct migration of iodide into the hole-transport layer in a device. We demonstrate that ultrathin room temperature atomic layer-deposited Al2O3 on the perovskite surf ...

A two-step deposition technique is used for preparing CH3NH3PbI3 perovskite solar cells. Using ZrO2 and TiO2 as a mesoporous layer, we obtain an efficiency of 10.8% and 9.5%, respectively, under 1000 W m(-2) illumination. The ZrO2 based solar cell shows hi ...

Two novel hybrid sensitizers incorporating an organic antenna into a ruthenium complex have been synthesized and applied successfully in nanocrystalline TiO2 based solar cells, which yielded solar to electricity conversion efficiencies of 8.20-9.16% under ...

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 ...

Direct understanding of the formation and crystallization of low-dimensional (LD) perovskites with varying dimensionalities employing the same bulky cations can offer insights into LD perovskites and their heterostructures with 3D perovskites. In this stud ...

Iodide redox (3I(-)/I-3(-)), polysulfide redox (S2-/S-x(2-)), organic redox [TMTU/TMFDS2+: tetramethylthiourea/tetramethylformaminium-bis(trifluoromethanesulfonyl) imide], ferrocene redox (Fc/Fc(+)), nickel redox [Ni(II)/Ni(III)], and cobalt redox [Co(II)/ ...

We report herein lightweight, and economical dye-sensitized solar cells fabrication facilitated by an all plastic, metal free cathode consisting of poly(3,4-ethylenedioxythiophene). ...

As the photovoltaic performance of a device is strongly influenced by the morphology of perovskite, achieving precise control over the crystal formation of organic-inorganic halide perovskites synthesized in the ambience of chloride ions has garnered much ...

We present two sensitizers, Ru(4,4'-dicarboxyvinyl)-2,2'-bipyridine)(4,4'-dinonyl-2,2'-bipyridine)(NCS)(2) (K9) and Ru(4,4'-dicarboxy(phenylethenyl)-2,2'-bipyridine)(4,4'-dinonyl-2,2'-bipyridine)(NCS)(2) (K23), which were synthesized and characterized by a ...

The present invention provides new bi-and polypyridine ligands of ruthenium dyes. The invention also provides solar cells, in particular dye-sensitized solar cells comprising the dyes. Formula (I): ...

Four center symmetrical star-shaped hole transporting materials (HTMs) comprising planar triazatruxene core and electron-rich methoxy-engineered side arms have been synthesized and successfully employed in (FAPbI(3))(0.85)(MAPbBr(3))(0.15) perovskite solar ...

The behavior toward oxygen sensing of nanocomposites made of the aluminum oxide-hydroxide nanostructured solid support (AP200/19) and neutral blue emitting cyclometalated iridium(III) complexes was studied. The results are compared with the same dyes immob ...

The emerging CsPbI3 perovskites are highly efficient and thermally stable materials for wide-band gap perovskite solar cells (PSCs), but the doped hole transport materials (HTMs) accelerate the undesirable phase transition of CsPbI3 in ambient. Herein, a d ...

Following former Studies, the donor-acceptor combinations of -NH2-substituted porphyrin donor and the acceptors C, D, E, F, H and G, those of -OH-, -CH3- and -Ph-substituted porphyrins as well as porphine donors and the acceptors E, G. and H, and those of ...

The paradigm shift in dye sensitized solar cells (DSCs) - towards donor-pi bridge-acceptor (D-pi-A) dyes - increases the performances of DSCs and challenges established design principles. Framed by this shifting landscape, a series of four diketopyrrolopyr ...

Mohammad Khaja Nazeeruddin

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Single-crystalline TiO2 nanoparticles for stable and efficient perovskite modules

Water photolysis at 12.3% efficiency via perovskite photovoltaics and Earth-abundant catalysts

An Efficient Dye-Sensitized Solar Cell with an Organic Sensitizer Encapsulated in a Cyclodextrin Cavity

Phosphorescent energy relay dye for improved light harvesting response in liquid dye-sensitized solar cells

High Extinction Coefficient "Antenna" Dye in Solid-State Dye-Sensitized Solar Cells: A Photophysical and Electronic Study

Atomic Layer-Deposited Aluminum Oxide Hinders Iodide Migration and Stabilizes Perovskite Solar Cells

Using a two-step deposition technique to prepare perovskite (CH3NH3PbI3) for thin film solar cells based on ZrO2 and TiO2 mesostructures

Molecular engineering of hybrid sensitizers incorporating an organic antenna into ruthenium complex and their application in solar cells

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

Formation Dynamics of Thermally Stable 1D/3D Perovskite Interfaces for High-Performance Photovoltaics

Hole-conducting mediator for stable Sb2S3-sensitized photoelectrochemical solar cells

Towards flexibility: metal free plastic cathodes for dye sensitized solar cells

Investigation Regarding the Role of Chloride in Organic-Inorganic Halide Perovskites Obtained from Chloride Containing Precursors

High Molar Extinction Coefficient Ruthenium Sensitizers for Thin Film Dye-Sensitized Solar Cells

Novel ligands for sensitizing dyes of dye-sensitized solar cells

Triazatruxene-Based Hole Transporting Materials for Highly Efficient Perovskite Solar Cells

Nanocomposites containing neutral blue emitting cyclometalated iridium(III) emitters for oxygen sensing

Dopant‐Free Hole Transport Materials Afford Efficient and Stable Inorganic Perovskite Solar Cells and Modules

Theoretical Screening of -NH2-, -OH-, -CH3-, -F-, and -SH-Substituted Porphyrins As Sensitizer Candidates for Dye-Sensitized Solar Cells

Blue-Coloured Highly Efficient Dye-Sensitized Solar Cells by Implementing the Diketopyrrolopyrrole Chromophore