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1 - A review of carbon nanotube/TiO2 composite prepared via sol-gel method https://jourcc.com/index.php/jourcc/article/view/jcc111 10.29252/jcc.1.1.1 1 A substantial review is performed in this work about the development and design of Carbon Nanotubes/Titanium Oxide nanocompisites. The fundamental method of sol-gel synthesis of Carbon Nanotubes is also reported here. Single-Walled and Multi-Walled Carbon Nanotubes are reviewed here. Finally, different applications for this nanocomposite are discussed. 0 - 1 9 - - Leila Bazli School of Metallurgy and Materials EngineeringTehran, Iran University of Science and Technology Iran info@jourcc.com - - Mostafa Siavashi Faculty of Engineering, Christian-Albrechts-University Kiel Germany stu213298@mail.uni-kiel.de - - Arman Shiravi Department of Chemical Engineering, Amirkabir University of Technology Iran info@jourcc.com Carbon nanotube TiO2 Nanoparticles Nanocomposites Characterization [1] C. Cheng, J. Wu, Y. Xiao, Y. Chen, H. Yu, Z. Tang, J. 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1 - The Effect of Cu-substitution on the microstructure and magnetic properties of Fe-15%Ni alloy prepared by mechanical alloying https://jourcc.com/index.php/jourcc/article/view/doi.org 10.29252/jcc.1.1.2 1 In this study, nanostructured (Fe85Ni15)100-xCux (x = 0, 0.5, 1.5, 3 and 5) powders were synthesized via mechanical alloying process. The obtained phases, microstructure, and magnetic properties of these alloys were studied by X-ray diffraction analysis (XRD), scanning electron microscopy (SEM), and vibration sample magnetometer (VSM). XRD results indicated that after suitable time of milling, Ni and Cu were homogeneously distributed in the Fe matrix and (bcc) α-(Fe(Ni-Cu)) solid solution was obtained. It was found that by increasing Cu content in the alloy, work hardening increased, and thus the size of grains decreased while the internal micro strain increased. Also, morphological observations indicated that the addition of Cu led to formation of finer particles. 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1 - The effect of MgF2 addition on the mechanical properties of hydroxyapatite synthesized via powder metallurgy https://jourcc.com/index.php/jourcc/article/view/jcc113 10.29252/jcc.1.1.3 1 Hydroxyapatite, a type of bioceramics, is mainly used as an implant for hard tissues due to its similarity to the structure of hard tissues. The aim of this study is to improve the mechanical properties of hydroxyapatite for biological uses. For this purpose the effect of magnesium fluoride (MgF2) addition with different weight percentages (0, 5, 7.5 and 10) on the mechanical properties of pure hydroxyapatite sintered at various temperatures (900, 1000 and 1100 °C) was investigated. XRD analysis was performed to study the decomposition of hydroxyapatite and the transformed phases. The density, Vickers microhardness and fracture toughness of the specimens were measured. The SEM analysis was performed to investigate the microstructure of samples. The results showed that the decomposition of hydroxyapatite to tri-calcium phosphate (TCP) decreased with increasing MgF2. Also, an increment in density and mechanical properties of the specimens were observed with increasing the amount of hydroxyapatite. The fracture toughness of sintered pure hydroxyapatite increased from 2.3 to 1.3 MPa.m1/2. The specimen containing 10 wt. % MgF2 sintered at 1100 ° C showed the best mechanical properties. 0 - 16 21 - - Amir Hossein Shahbaz MSc Student in Materials Engineering, Saveh Islamic Azad University Iran amirhosein.shahbaz@gmail.com - - Mohammad Esmaeilian Research Institute for Advanced Materials and New Energy, Iran Scientific and Industrial Research Organization Iran info@jourcc.com - - Reyhaneh NasrAzadani Department of Biomaterials Nanotechnology and Tissue engineering, Isfahan University of Medical Sciences Iran info@jourcc.com - - Kiana Gavanji Department of Medical Nanotechnology, Tehran University of Medical Sciences (TUMS) Iran info@jourcc.com Hydroxyapatite Magnesium Fluoride (MgF2) Tri-Calcium Phosphate (TCP) Sinter [1] A. Esmaeilkhanian, F. Sharifianjazi, A. Abouchenari, A. Rouhani, N. Parvin, M. Irani, Synthesis and Characterization of Natural Nano-hydroxyapatite Derived from Turkey Femur-Bone Waste, Applied Biochemistry and Biotechnology (2019).##[2] N.A.S. 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1 - Preparation of graphene nanolayers through surfactant-assisted pure shear milling method https://jourcc.com/index.php/jourcc/article/view/jcc114 10.29252/jcc.1.1.4 1 In this study, graphite powder was used to prepare few-layer graphene sheets through shear milling. During the process, graphite was well-dispersed in double distilled water as a lubricant and sodium dodecylsulfate (SDS), followed by shaking and milling under low energy. The exerted sheer force led to continuous delamination of graphene flakes. The microstructural investigation was performed by SEM. Also, the energy dispersive X-ray spectroscopy (EDS) analysis was performed to determine distinct levels of carbon in different fragments of graphite. The ultrathin multilayer structure of graphite was successfully obtained using the surfactant of SDS, which can lead to the production of molecularly thin sheets by mechanical peeling. Moreover, it was found that this synthesis method has advantages, including cost-effectiveness and ease in performance for producing a lot of graphene nanolayers. 0 - 22 26 - - Asghar Kazemzadeh Department of semiconductors Iran ASG642001@Yahoo.com - - Mohammad Ali Meshkat Department of Nanomaterial, Materials and Energy Research Center Iran info@jourcc.com - - Hooman Kazemzadeh Tehran University of Medical Science Iran info@jourcc.com - - Mostafa Moradi Materials Sci. and Eng. Dept., Sharif Univ. of Technology Iran info@jourcc.com - - Reza Bahrami Department of Materials and Metallurgical Engineering, Amirkabir University of Technology Iran info@jourcc.com - - Rasul Pouriamanesh Department of Mining and Metallurgical Engineering, Amirkabir University of Technology Iran info@jourcc.com Ultrathin Multilayer Structure Graphene nanolayer Sodium-dodecylsulfate [1] A. Moghanian, F. Sharifianjazi, P. Abachi, E. Sadeghi, H. Jafarikhorami, A. 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1 - Determination of Hg2+ by diphenylcarbazone compound in polymer film https://jourcc.com/index.php/jourcc/article/view/jcc115 10.29252/jcc.1.1.5 1 A sensitive optical sensor for determining Hg2+ concentration has been prepared by incorporating the indicator dye, diphenylcarbazone, into cellulose acetate polymer film. The sensor was fabricated by binding diphenylcarbazone to a cellulose acetate film that had been previously subjected to exhaustive base hydrolysis. The method is easy to perform and uses acetyl cellulose as a carrier. The results showed that the sensor has the ability to determine the Hg2+ concentration with ±6% error. Also, the adsorption capacity was 3.41 × 10-3 mmol/g. 0 - 27 30 - - Asghar Kazemzadeh Department of semiconductors Iran ASG642001@Yahoo.com - - Hooman Kazemzadeh Tehran University of Medical Science Iran info@jourcc.com Optical sensor Mercury determination Diphenylcarbazone compound Cellulose acetate [1] I. Hofer, M. Gremaud, A. Marchese, S. 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1 - A review of clinical applications of graphene quantum dot-based composites https://jourcc.com/index.php/jourcc/article/view/jcc116 10.29252/jcc.1.1.6 1 This review represent an overview of the graphene quantum dots synthesis and their application as carriers or probes for sensor, imaging, drug delivery and diagnosing of diseases. More specifically, recent advances in the integration of QDs with drug formulations for therapy and their potential toxicity in vitro and in vivo are highlighted. The current findings and challenges for optimizing QD/drug formulations with respect to optimal size and stability, short-term and long-term toxicity, and in vivo applications are described. 0 - 31 40 - - Ebadollah Asadi Department of Chemistry, Amirkabir University of Technology Iran info@jourcc.com - - Arash Fassadi Chimeh Department of Chemical Engineering, Science and Research Branch, Islamic Azad University Iran info@jourcc.com - - Sahar Hosseini Visveswarapura Institue of Health Sciences, Rajiv Gandhi University Iran info@jourcc.com - - Seyedhamidreza Rahimi Department of Biomedical Engineering, Islamic Azad University, Tehran Science Research Branch Iran info@jourcc.com - - Bijan Sarkhosh Department of chemistry, University of Isfahan Iran info@jourcc.com - - Leila Bazli School of Metallurgy and Materials Engineering, Iran University of Science and Technology Iran info@jourcc.com - - Rozhin Bashiri Department of Applied Chemistry, Pharmaceutical Science branch, Islamic Azad University Iran info@jourcc.com - - Amir Hossein Vakili Tahmorsati Department of Biomedical Engineering, Islamic Azad University, Central Tehran Branch Iran info@jourcc.com Quantum dots Graphene Cancer Drug Delivery Diagnosis [1] C. 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1 - Recent developments and applications of nanocomposites in solar cells: a review https://jourcc.com/index.php/jourcc/article/view/www.jourcc117.com 10.29252/jcc.1.1.7 1 These days, solar cells have attracted considerable attentions because they are environment-friendly sources of electric power. The present review is focused on composites and materials that are used in the field of solar cells, including Si-based solar cells, thin film solar cells, dye-Sensitized solar cells (DSSC), Quantum dot solar cells (QDSC) and Perovskite solar cells (PSC). TiO2 based nanocomposites, which are widely applicable in the solar cells are also reviewed. 0 - 41 50 - - Sami Saadi Department of Mechanical Engineering, Islamic Azad University, Ahvaz Branch Iran sami.saadi@gmail.com - - Behzad Nazari School of Materials and Metallurgical Engineering, Iran University of Science and Technology (IUST) Iran info@jourcc.com Composites Solar-cell Perovskite nanomaterial Amorphous Silicon [1] A. Sánchez, E. 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