Y. Arooj^a, A. Farhan^b, S. Maqsood^a,c, A. Erum^a, M. Ishaq^d, S. Rafique^a, A. Khalid^b, F. Wazahat^a, M. A. Qamar^e,*

Chalcogenide Letters, Vol.22, No.8, pp. 707-717, 2025, DOI:10.15251/CL.2025.228.707

Abstract Chemical co-precipitation synthesis was used to make pure and zirconium-doped cobalt sulfide (Co3S4) nanoparticles (NPs). Important characterizations such as FTIR, UV-VIS, Raman, PL, SEM, XRD, and four probe methods were used to examine the influence of the Zr (0%, 5%, 10%, 15%, and 20%) doping on optical, electrical, structural, and thermoelectric characteristics of Co₃S₄ NPs. X-ray diffraction and SEM examination verified the cubic structure and grain size of pure and Zr-doped Co₃S₄-NPs. The FTIR spectrum revealed the rotational and vibrational modes linked to the material's surface. The material is optimal for photocatalytic activity with a redshift More >

Q. Fei^1,*, B. Jin², B. C. Jiang³, J. S. Huang⁴, L. Li⁵

Chalcogenide Letters, Vol.22, No.8, pp. 693-705, 2025, DOI:10.15251/CL.2025.228.693

Abstract An innovative hybrid nanostructure composed of diketopyrrolopyrrole (DPP) oligomers and cadmium sulfide (CdS) nanoparticles was developed to enhance the efficiency of organic– inorganic photovoltaic devices. The DPP-CdS hybrids were synthesized via a solution-phase mixing method, resulting in uniform nanoparticle dispersion along polymer fibrils and strong interfacial coupling. Structural characterization confirmed the coexistence of crystalline CdS domains and partially ordered DPP phases, while spectroscopic analyses indicated notable redshifts and band broadening, evidencing electronic interactions at the interface. The hybrid material displayed significantly broadened light absorption across the 400–700 nm range and an optimized optical bandgap of… More >

F. Khan^a, S. Noreen^a, M. S. Youssef^b, A. Jilani^c, H. T. Ali^b, G. Mustafa^d, M. Zahid^a,*

Chalcogenide Letters, Vol.22, No.9, pp. 807-820, 2025, DOI:10.15251/CL.2025.229.807

Abstract In this study Fe doped SnO₂-SnS₂ (FS) and Fe doped SnO₂-SnS₂-polypyrrole (FS-PPY) were synthesized and studied for the methylene blue (MB) egrdation under UV light. The morphological and structural characterizations were carried out by FTIR, SEM-EDX, XRD and XPS. It has been found that FS-PPy degrade methylene blue upto 98 % under optimized conditions as pH =3, dye concentration = 10 ppm, oxidant dose = 2 mM. The Langmuir-Hinshelwood kinetics model fitted well. The optimization was studied using response surface methodology. Scavengers study was carried out to find the active species. Reusability of photocatalyst was evaluated More >

R. M. Reddy^a, J. A. Prakash^b, A. Tonk^c, S. Karvendhan^d, G. Sivaraman^e, D. K. Patel^f, S. P. Dillibabu^g, S. Karthikeyan^h,*, T. Thirugnanasambandhamⁱ

Chalcogenide Letters, Vol.22, No.9, pp. 797-806, 2025, DOI:10.15251/CL.2025.229.797

Abstract The current situation necessitates advancements in renewable energy as an alternative for conventional energy sources. Reflection loss in solar cells is a contributing factor to diminish the power conversion efficiency, which can be reduced by employing antireflective coatings. The current investigation focuses on improvement in photocurrent generation of monocrystalline silicon solar cells by employing Gallium sulfide (Ga_₂S₃) as anti-reflective coatings (ARC). The RF sputter coating method has been used for Ga_₂S₃ deposition at different coating durations (10, 20, 30, and 40 minutes). The transmittance, reflectance, I-V characteristics, electrical properties, and thermal behaviour of the Ga2S3 coatings… More >

F. T. Ibrahim^1,*, A. A. Qassim², S. M. A. Al-Dujayli¹

Chalcogenide Letters, Vol.22, No.11, pp. 929-937, 2025, DOI:10.15251/CL.2025.2211.929

Abstract This work, pulse laser deposition technique was employee to synthesize Cu2ZnSnS4 (CZTS) thin films with different lasing energy (500, 600, 700, 800, 900 mJ). Through using different characterization technique to study structural, optical and gas sensing properties. the use of X-ray diffraction, the samples have polycrystalline with cubic structure. The EDX examination showed that the sample contains a suitable amount of Zn, Sn, Cu, and S atoms to form CZTS. UV-VIS measurement indicates that the synthesis of thin films employing a lower laser energy result in a drop in deposit sample thickness, which in turn More >

T. M. Razykov¹, K. M. Kuchkarov¹, R. T. Yuldoshov¹, M. P. Pirimmatov¹, R. R. Khurramov¹, D. Z. Isakov¹, M. A. Makhmudov¹, A. Matmuratov¹, J. G. Bekmirzoyev¹, A. N. Olimov²

Chalcogenide Letters, Vol.22, No.11, pp. 959-964, 2025, DOI:10.15251/CL.2025.2211.959

Abstract This work presents the results of investigating the photovoltaic characteristics of Sb2(SxSe1−x)3 thin film solar cells manufactured on glass substrates with molybdenum coating using the chemical molecular beam deposition method. Illuminated IV and spectral response measurements on Sb₂(S_xSe_1−x)₃ alloy films show that the device with S/(S + Se) = 0.6 delivers the best performance, reaching 6.47% power-conversion efficiency with V_OC = 523 mV, J_SC = 27.2 mA cm⁻² , and a fill factor of 46.71%. More >

Ruikang Ma^1,2, Ziying Huang¹, Zexiu Zhang³, Ruohui Lu⁴, Menghan Li¹, Zhiyi Luo³, Mengni Li⁵, Pengyue Zhang³, Xiaohong Lin³, Guozhuang Zhang^1,*, Linlin Dong^1,*

Phyton-International Journal of Experimental Botany, Vol.94, No.11, pp. 3721-3748, 2025, DOI:10.32604/phyton.2025.072062 - 01 December 2025

Abstract Dendrobium officinale (DO) is a well-recognized medicinal and edible plant with a long history of application in traditional medicinal practices across China and Southeast Asia. Recent studies have demonstrated that DO is abundant in diverse bioactive compounds, including polysaccharides (DOP), flavonoids, alkaloids, and bibenzyls thought to exert a range of pharmacological effects, such as anti-tumor and immunomodulatory effects. However, our comprehensive understanding of two key aspects—pharmacological functions and biosynthetic mechanisms—of DO’s major constituents remains limited, especially when considered within the clinical contexts of traditional use. To address this gap, this study reviews DO’s historical applications, clinical effects, and… More > Graphic Abstract

Chen Xu^1,#, Tianhao Luan^1,#, Zexin Qi², Xiaolong Liu³, Yaliang Liu⁴, Hui Sun⁵, Yueqiao Li¹, Ning Sun¹, Qian Li¹, Shaofeng Bian¹, Lihua Zhang^1,*, Hongxiang Zhao^1,*

Phyton-International Journal of Experimental Botany, Vol.94, No.11, pp. 3703-3719, 2025, DOI:10.32604/phyton.2025.071324 - 01 December 2025

Abstract Optimizing drip irrigation with straw mulch return represents a promising sustainable intensification strategy for revolutionizing regional water management. This 2-year controlled field experiment examined straw incorporation effects (removal and return) and drip irrigation levels (200, 350, 500 mm) on maize carbon-nitrogen metabolism, root bleeding sap characteristics, dry matter accumulation, and yield. Dry matter and yield increased with irrigation amount. Under 200–350 mm irrigation, straw return enhanced root bleeding intensity; elevated nitrogen, phosphorus, potassium, calcium, and magnesium concentrations in bleeding sap; and promoted soluble sugar and hydrolyzed amino acid contents, establishing material foundations for yield formation. More >

Zhe He¹, Yaning Zhang^2,*

International Journal of Mental Health Promotion, Vol.27, No.11, pp. 1747-1768, 2025, DOI:10.32604/ijmhp.2025.070491 - 28 November 2025

Abstract Background: Depression represents a significant global mental health burden, particularly among middle-aged and older Chinese with chronic diseases in high-altitude regions, where harsh environmental conditions and limited social support exacerbate mental health disparities. This paper aims to develop an interpretable machine learning prediction framework to identify the key factors of depression in this vulnerable population, thereby proposing targeted intervention measures. Methods: Utilizing data from the China Health and Retirement Longitudinal Study in 2020, this paper screened out and analyzed 2431 samples. Subsequently, Recursive Feature Elimination and Least Absolute Shrinkage and Selection Operator were applied to screen… More >

Huan Wang^1,#, Jindong Xie^1,#, Na Li¹, Qianwen Liu¹, Wenqi Song¹, Wenkuan Chen¹, Cheng Peng^2,*, Hailin Tang^1,*

Oncology Research, Vol.33, No.12, pp. 3789-3800, 2025, DOI:10.32604/or.2025.067592 - 27 November 2025

Abstract Solid tumors comprise the majority of the global cancer burden, with their incidence and associated mortality posing considerable challenges to public health systems. With population growth and aging, the burden of these tumors is anticipated to increase further in the coming decades. The progression of solid tumors depends on dynamic interactions between malignantly transformed cells and the tumor microenvironment (TME). Immune checkpoint inhibitor therapy improves T cell-mediated antitumor activity by suppressing regulatory pathways, such as programmed cell death protein 1/programmed death-ligand 1. Nonetheless, its widespread application is constrained by drug resistance. In this comprehensive review, More >