Gaukhar Nigmetova

Solution‐Processed Magnesium Oxide Buffer Layer for Improved Stability of CsPbI 2 Br Perovskite Solar Cells

Zhuldyz Yelzhanova, Gaukhar Nigmetova, Dana Mukasheva, Hryhorii P. Parkhomenko et autres

The application of inorganic Cs‐based perovskites in solar cells (PSCs) has gained increasing attention as a viable alternative to hybrid organic–inorganic counterparts. However, their device performance and stability remain limited by interfacial and intrinsic material instabilities. To address these challenges, a solution‐processed …

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Controlling the Growth of Cs2PbX4 Nanostructures Enhances the Stability of Inorganic Cesium-Based Perovskite Solar Cells for Potential Low Earth Orbit Applications

Gaukhar Nigmetova, Zhuldyz Yelzhanova, Gulzhan Zhumadil, Hryhorii P. Parkhomenko et autres

Incorporating low-dimensional (LD) materials in perovskite solar cells (PSCs) for interfacial engineering is an effective approach to enhance device performance. However, the growth mechanisms for inorganic LD perovskite nanostructures in cesium-based systems via solution processing are underexplored. This work demonstrates the importance …

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Solution-Processed Reduced-Dimensional Cesium Lead Halide Perovskites

Gaukhar Nigmetova, Zhuldyz Yelzhanova, Hryhorii P. Parkhomenko, Meruyert Tilegen et autres

This work introduces a solution-processed approach for growing$\text{Cs}_{2} \text{PbX}_{4}$nanostructures on$\text{CsPbI}_{2} \text{Br}$thin films, achieving effective control over interface morphology. The surface of$\text{CsPbI}_{2} \text{Br}$thin films is modified through CsCl posttreatment using various organic solvents. Careful optimization of post-treatment parameters, including solvent selection and processing …

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Ionic Liquid-Assisted Strategy for Morphology Engineering of Inorganic Cesium-Based Perovskite Thin Films Toward High-Performance Solar Cells

Gulzhan Zhumadil, Menghua Cao, Yu Han, Vladimir V. Pavlenko et autres

The wide bandgap CsPbI 2 Br perovskite materials have attracted significant attention due to their high thermal stability and compatibility with narrow bandgap materials in tandem devices. The performance of perovskite solar cells (PSCs) is highly dependent on the quality of the …

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Advances in Top Transparent Electrodes by Physical Vapor Deposition for Buffer Layer‐Free Semitransparent Perovskite Solar Cells

Yury Smirnov, Gaukhar Nigmetova, Annie Ng

The advancements in halide perovskite materials, celebrated for their exceptional optoelectronic properties, have not only led to a remarkable increase in the efficiency of perovskite solar cells (PSCs) but also opened avenues for the development of semitransparent devices. Such devices are ideally …

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Engineering CsPbI2Br Perovskite Thin Film Morphology with Ionic Liquid Additives for Enhanced Performance Solar Cells

Gulzhan Zhumadil, Vladimir V. Pavlenko, Gaukhar Nigmetova, Zhuldyz Yelzhanova et autres

Ionic liquids (ILs) have emerged as a promising class of additive for modulating perovskite crystallization behavior and thin film morphology. However, the influence of incorporating ILs directly within the cesium lead iodide bromide (CsPbI2Br) perovskite precursor system is less explored. This work …

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Synergic effects of incorporating black phosphorus for interfacial engineering in perovskite solar cells

Damir Aidarkhanov, Zhuldyz Yelzhanova, Zhiwei Ren, Gaukhar Nigmetova et autres

Continuous breakthroughs in power conversion efficiency (PCE) and stability of perovskite solar cells (PSCs) have been achieved through advances in interfacial engineering. Black phosphorus (BP), an emerging class of semiconducting materials possessing unique characteristics and good electrical properties, has been applied in …

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Introducing nanoconcepts used in solar cell development

Aleksandra B. Djurišić, Annie Ng, Gaukhar Nigmetova, Fangzhou Liu et autres

In this chapter, we discuss the applications of nanomaterials for clean energy generation using solar cells. We focus on oxide nanomaterials, as they are the most commonly used nanomaterials in this type of device, although other nanomaterials are also discussed where relevant. …

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Optimization of Zinc Oxide Electron Transport Layers for Cs-based Perovskite Solar Cells

Zhuldyz Yelzhanova, Gaukhar Nigmetova, Gulzhan Bizhanova, Nurzhan Yermekov et autres

Zinc oxide (ZnO) possesses remarkable semiconductor properties. The compact ZnO (c-ZnO) and ZnO nanorod arrays (ZnO-NAs) are used as ETLs in CsPbI2Br perovskite solar cells (PSCs). It is found that c-ZnO doped with graphene oxide (GO) has an improvement in electron transport …

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A Morphological Study of Solvothermally Grown SnO2 Nanostructures for Application in Perovskite Solar Cells

Zhuldyz Yelzhanova, Gaukhar Nigmetova, Damir Aidarkhanov, Bayan Daniyar et autres

Tin(IV) oxide (SnO2) nanostructures, which possess larger surface areas for transporting electron carriers, have been used as an electron transport layer (ETL) in perovskite solar cells (PSCs). However, the reported power conversion efficiencies (PCEs) of this type of PSCs show a large …

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Bulk and Interfacial Defect Passivation for High Perofrmance Perovskite Solar Cells

Damir Aidarkhanov, Zhiwei Ren, Chang‐Keun Lim, Zhuldyz Yelzhanova et autres

Nowadays, perovkite materials are considered to be the most promising absorber media for the third generation photovoltaics. Outstanding material properties allowed perovskite solar cells’ power conversion efficiency values to exceed 25% in ten years, demonstrating the highest efficiency increase rate among all …

Passivation engineering for hysteresis-free mixed perovskite solar cells

Damir Aidarkhanov, Zhiwei Ren, Chang‐Keun Lim, Zhuldyz Yelzhanova et autres

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