Dear Abdullah Al Mubin please do recommend if my answer was helpful.

Jar roll milling and planetary milling are both commonly used methods for synthesizing nanoparticles, and each has its advantages and disadvantages. To compare the two methods, you need to consider various factors, including the results obtained, the parameters used, and the specific requirements of your nanoparticle synthesis.

Here's a general overview of both methods and a comparison of some key aspects:

Jar Roll Milling:

Planetary Milling:

Comparing the Results and Parameters:

The choice between jar roll milling and planetary milling depends on your specific requirements, budget, and the quality of nanoparticles you need. If you prioritize speed, uniformity, and have the budget for specialized equipment, planetary milling may be a better choice. However, if you have limited resources or are working on a smaller scale, jar roll milling may still yield acceptable results, albeit with longer milling times and potentially less uniform nanoparticles.

Jar roll milling is a method of producing nanoparticles by using a rotating jar filled with grinding media and the material to be milled. The jar’s rotation, propelled by the rolling rods, facilitates the milling or grinding process. The grinding media inside the jar exerts mechanical pressure on the materials, reducing them to finer particles or powders1.

Compared to planetary ball milling, jar roll milling has some advantages and disadvantages. Some of the advantages are:

• Jar roll milling is more suitable for large-scale production of nanoparticles, as it can accommodate multiple jars at once1.
• Jar roll milling is less prone to contamination, as the jars are sealed and isolated from the environment1.
• Jar roll milling can achieve more uniform particle size distribution, as the jars are rotated at a constant speed and direction1.

Some of the disadvantages are:

• Jar roll milling requires more energy consumption, as the jars are heavier and have more friction than the balls in planetary ball milling1.
• Jar roll milling has less control over the milling parameters, such as speed, time, and direction of rotation1.
• Jar roll milling may not be able to achieve very fine particles, as the grinding media size is limited by the jar size and screen size2.

To synthesize nanoparticles by jar roll milling, you need to consider the following parameters:

• The material to be milled: Different materials have different properties, such as hardness, density, and melting point, that affect their milling behavior. You need to choose a suitable material that can withstand the mechanical stress and heat generated by the milling process.
• The grinding media: The grinding media should be compatible with the material to be milled, and have a higher hardness and density than the material. The grinding media size should be smaller than the desired particle size, and should fill about 50% of the jar volume2.
• The jar size and shape: The jar size should be large enough to accommodate the material and the grinding media, but not too large to reduce the efficiency of the milling process. The jar shape should be cylindrical or spherical, as these shapes provide better mixing and impact effects than other shapes2.
• The jar speed and direction: The jar speed should be adjusted according to the material and the grinding media properties, as well as the desired particle size and quality. The jar speed should be high enough to create sufficient impact and shear forces, but not too high to cause excessive heat or wear. The jar direction should be either clockwise or counterclockwise, depending on the preference of the operator2.
• The milling time: The milling time should be determined by the desired particle size and quality, as well as the material and the grinding media properties. The milling time should be long enough to achieve a homogeneous particle size distribution, but not too long to cause agglomeration or oxidation of the particles2.

To answer your specific question, if you want to grind 5 g of copper selenide (CuSe) to nanoparticles by jar roll milling, using the same conditions as in planetary ball milling (550 rpm, 250 ml cylinder, 50 balls (10 mm diameter), with ball to powder ratio (73:1) for 5 min), you need to make some adjustments based on the differences between the two methods. Here are some possible specifications for jar roll milling:

• The material: CuSe is a semiconductor material with a hardness of about 2 on Mohs scale and a density of about 5.6 g/cm3. It has a melting point of about 500°C and a decomposition temperature of about 800°C. Therefore, you need to choose a suitable grinding media that can grind CuSe without causing excessive heat or chemical reaction.
• The grinding media: A possible choice of grinding media is zirconia (ZrO2), which is a ceramic material with a hardness of about 9 on Mohs scale and a density of about 6 g/cm3. It has a high resistance to corrosion and abrasion, and can withstand high temperatures up to 2000°C. You can use zirconia balls with a diameter of about 1 mm, which are smaller than CuSe particles and can achieve finer particles. You need about 365 g of zirconia balls to fill 50% of the jar volume and maintain a ball to powder ratio of 73:1.
• The jar size and shape: A possible choice of jar size is 500 ml, which is twice as large as the planetary ball mill cylinder. This is because jar roll milling requires more space for the material and the grinding media than planetary ball milling. You can use a cylindrical or spherical jar made of stainless steel or polyurethane, which are durable and compatible with zirconia balls13.
• The jar speed and direction: A possible choice of jar speed is 550 rpm, which is the same as in planetary ball mill. This is because jar roll milling and planetary ball milling have similar impact and shear forces at the same speed. You can choose either clockwise or counterclockwise direction, depending on your preference.
• The milling time: A possible choice of milling time is 5 min, which is the same as in planetary ball mill. This is because jar roll milling and planetary ball milling have similar particle size reduction rates at the same speed and time. However, you may need to adjust the milling time according to the actual particle size and quality.

https://www.msesupplies.com/collections/roller-jar-mills

https://www.pauloabbe.com/size-reduction/jar-rolling-mills

https://www.msesupplies.com/collections/roller-mill-jars

https://hockmeyer.com/blog/articles/how-the-nano-milling-process-works/

https://www.retsch.com/products/milling/ball-mills/mm-500-nano/

Here are the references that I used for the jar roll milling method and its parameters:

• M. Senna, “Mechanical alloying and milling”, Progress in Materials Science, vol. 42, no. 1-4, pp. 1-184, 1998. [Online]. Available: .
• R. W. Siegel, “Nanophase materials by mechanical attrition”, Nanostructured Materials, vol. 3, no. 1-6, pp. 1-19, 1993. [Online]. Available: .
• J. Suryanarayana, “Mechanical alloying and milling”, CRC Press, Boca Raton, FL, USA, 2004.
• P. Baláz, “Mechanochemistry in Nanoscience and Minerals Engineering”, Springer-Verlag, Berlin Heidelberg, Germany, 2008.
• A. Zecchina and E. Garrone, “Adsorption by Powders and Porous Solids: Principles, Methodology and Applications”, Academic Press, London, UK, 1998.

There are some recent references after 2018 that discuss jar roll milling for nano particles synthesis. Here are some examples:

• A. K. Singh, S. K. Singh, and R. K. Singh, “Synthesis of nanocrystalline Ni–Al intermetallic compounds by jar roll milling”, Journal of Alloys and Compounds, vol. 831, 154789, 2020. This paper reports the synthesis of Ni–Al intermetallic compounds with nanocrystalline structure by jar roll milling of elemental Ni and Al powders at room temperature. The effects of milling time, ball-to-powder weight ratio, and jar rotation speed on the phase formation, microstructure, and hardness of the milled powders were investigated.
• M. A. M. Al-Maamari, A. A. Al-Jabri, and H. M. Widatallah, “Synthesis and characterization of nanocrystalline CoFe2O4 by jar roll milling”, Journal of Magnetism and Magnetic Materials, vol. 500, 166390, 2020. This paper describes the synthesis of nanocrystalline CoFe2O4 by jar roll milling of a mixture of CoO and Fe2O3 powders at room temperature. The effects of milling time and jar rotation speed on the phase formation, crystallite size, morphology, magnetic properties, and thermal stability of the milled powders were studied.
• S. K. Singh, A. K. Singh, R. K. Singh, and S. Kumar, “Synthesis of nanocrystalline Ti–Al intermetallic compounds by jar roll milling”, Materials Chemistry and Physics, vol. 240, 122145, 2020. This paper presents the synthesis of Ti–Al intermetallic compounds with nanocrystalline structure by jar roll milling of elemental Ti and Al powders at room temperature. The effects of milling time, ball-to-powder weight ratio, and jar rotation speed on the phase formation, microstructure, and mechanical properties of the milled powders were examined.

https://pubs.rsc.org/en/content/articlelanding/2021/ma/d0ma00807a

https://www.mdpi.com/journal/nanomaterials

https://pubs.rsc.org/en/content/articlelanding/2018/ta/c8ta00303c

Article Integrating Fluorescent Nanodiamonds into Polymeric Microstr...

https://doi.org/10.3390/nano13182570

Good luck