chemistry papers | Gist.Science

Pr3+-Doped SnO2 Electron Transport Layers for 23-Fold Indoor PCE Recovery in Flexible CsPbBr3 Perovskite Solar Cells

This study demonstrates that Pr³⁺ doping of SnO₂ electron transport layers significantly enhances the performance of flexible CsPbBr₃ perovskite solar cells under indoor illumination by passivating defects to increase shunt resistance, thereby achieving a 23-fold recovery in power conversion efficiency through improved charge extraction and reduced non-radiative recombination.

Mohammad Ghadimimehr, AZIMAH BINTI OMAR, SITI ROHANI BINTI SHEIKH RAIHAN2026-08-06

📄 chemistry

Synthesis and Physicochemical Characterization of Mesoporous Silica Gel Prepared by the Sol–gel Method

This study demonstrates the successful synthesis of high-purity, thermally stable mesoporous silica gel via the sol-gel method using sodium silicate and sulfuric acid, confirming its high specific surface area and potential as an effective adsorbent for acidic gases.

S. A. Tursunov, S. Z. Xodjamkulov, M. U. Karimov2026-08-06

📄 chemistry

Hydrogen Bond Reconstruction Triggered by Diethylenetriaminepentaacetic Acid Suppresses Zinc Dendrites and Polyiodide Shuttle for Stable Zinc-Iodine Batteries

This study demonstrates that incorporating diethylenetriaminepentaacetic acid (DTPA) into polyacrylamide gel electrolytes reconstructs hydrogen bonding networks to simultaneously suppress zinc dendrites and polyiodide shuttling, enabling zinc-iodine batteries to achieve exceptional cycling stability with over 14,000 cycles.

Juan Liu, Min Zhu, Ruili Li, Yejun Xu, Juan Lu, Li Tao, Xiao Mei, Heyao Zhang, Feng Zhou2026-08-06

📄 chemistry

Ultrasonic-assisted laser cladding of NiCrCoMnFe high-entropy alloy coatings on GTD-111 superalloy: Microstructural evolution and tribological performance

This study demonstrates that ultrasonic-assisted laser cladding significantly refines the microstructure and enhances the hardness and tribological performance of NiCrCoMnFe high-entropy alloy coatings on GTD-111 superalloy compared to conventional laser cladding, offering a promising solution for wear-critical gas-turbine components.

Morteza Taheri, Morteza Saghafi Yazdi2026-08-06

📄 chemistry

Coding Metasurfaces with Coral-like Graphene for Thin and Strong Microwave Absorption

This paper presents a coral-like graphene coding metasurface fabricated on ceramic fiber cloth through synergistic pyrolysis and laser etching, which, when optimized by a CNN-assisted genetic algorithm, achieves ultra-thin, strong, and broadband microwave absorption for advanced aerospace stealth applications.

Qiang Song, Jie Liang, Yi An, Yuchen Cao, Wenting Zhi, Chuchu Guo, Xiaomeng Fan, Fang Ye2026-08-06

📄 chemistry

Green-Synthesized Co₃O₄ Nanoparticles from Thyme, Teucrium oliverianum, and Cercis siliquastrum: Enhanced Photocatalytic Degradation of Methylene Blue

This study demonstrates that cobalt oxide nanoparticles green-synthesized using leaf extracts of *Thymus vulgaris*, *Teucrium oliverianum*, and *Cercis siliquastrum* exhibit superior colloidal stability, smaller particle sizes, and higher photocatalytic efficiency in degrading methylene blue under UV light compared to chemically synthesized counterparts, while also showing reduced metal leaching.

Khelan S. Najmaldeen, Dilan Nawzad Mamakhan2026-08-06

📄 chemistry

Synthesis and Applications of thiophene-based poly(ether ether ketones)

This study reports the synthesis of solution-processable, thiophene-based poly(ether ether ketone)s with ultra-high thermal stability and excellent chemical resistance, demonstrating their effectiveness as protective coatings for high-temperature alloys.

Feng Li, jiming song, Hui-Feng Xia, xi Chen2026-08-06

📄 chemistry

Coaxial Electrospinning-Derived Hollow SiBCN Ceramic Fibers with Multiscale Heat-Transfer Suppression for High-Temperature Thermal Insulation

This study reports the development of continuous hollow SiBCN ceramic fibers via coaxial electrospinning and precursor conversion, which achieve exceptional high-temperature thermal insulation and mechanical integrity through a synergistic combination of hollow morphology and a disordered amorphous network.

Hongli Liu, Jie Wang, Peng Chu, Manmeng Zuo, Yuhao Liu, Qingmiao Ding, Liangliang Fu, Zihao Wang2026-08-06

📄 chemistry

Design and Characterization of Formazonate Transition Metal Complexes for Emerging Optoelectronic Applications

This study synthesizes and characterizes cobalt, iron, and copper formazonate-diphenyl amine complexes, demonstrating their low band gaps, thermal stability, and suitability for emerging optoelectronic applications such as dye-sensitized photodetectors and photocatalytic hydrogen generation.

Pravendra Kumar, Brijesh Kumar, Sushmita Gupta, Prashant Kumar Pal2026-08-06

📄 chemistry

Catalytic Performance of Co/Ni-TS-1 Zeolite Catalysts in Dry Reforming of Methane

This study demonstrates that incorporating 5% cobalt into a 4% nickel-loaded TS-1 zeolite catalyst significantly enhances both the activity and carbon resistance of the system for the dry reforming of methane, achieving high reactant conversions of 88.46% for CH₄ and 94.57% for CO₂.

Shuai Luo, Changling Liao, Jialu Fang, Guohao Xu2026-08-06

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