Laboratory of Inorganic Materials

Department Head Assoc.Prof. Đào Ngọc Nhiệm	MISSION: Research and application of inorgani materials MAIN RESEARCH DIRECTION: Separation of individual Rare Earth, Preparation nanosized of Rare Earth Oxides and Rare Earth Oxides containing Materials Preparation nanosized of Metals Oxides and Metal Oxides containing Materials Application Rare Earth Oxides, Metal Oxides and Oxides containing Materials for lowing pollution of Gas Environmentals, Water Environments,others application Adaptive technology, process waste liquid treatment and solid wastes from factories Chemical analysis and assessing the level of pollution
	nhiemdn@ims.vast.ac.vn	+84 915 417 696

• Rare earths micronutrient fertilizer

• Catalysis Materials and Equipment lowing pollution Water environmentals as Fe, As, Mn, NH₄⁺ ,  in ground water. Capacity arccording to require

• With the above advantages, the nano silver production method was granted the patent by the National Office of Intellectual Property No. 1-0026046, published on 26/10/2020.

•  Nano silver solution according to the invention can be used in the medical field, food preservation, food, animal feed, water treatment because silver nano has high antiseptic properties.

Figure 1. The patent for the production method of nano silver

  

Figure 2. Antiseptic spray containing nano silver
 

1. Luu Thi Viet Ha, Luu Minh Dai, Dao Ngoc Nhiem and Nguyen Van Cuong, Enhanced Visible-Light Photocatalytic Activity of C/Ce-Codoped ZnO Nanoellipsoids Synthesized by Hydrothermal Method, Journal of Electronic Materials 45(8), 4215-4220 (2016)

2. Dao Ngoc Nhiem, Nguyen Quang Bac, Doan Trung Dung, Pham Ngoc Chuc, Nguyen Thi Ha Chi and Duong Thi Lim. Novel anti-ultraviolet performances of thin films polyurethane containing nano-mixed oxides CeO₂-TiO₂, Advances in Mechanical Engineering, 10(11) 1–5 (2018).

3. Quang Bac Nguyen, Dinh Phuong Vu, Thi Ha Chi Nguyen, Trung Dung Doan, Ngoc Chuc Pham, Thi Lim Duong, Tran Dai Lam, Long Giang Bach, Hong Con Tran and Ngoc Nhiem Dao. Photocatalytic activity of BiTaO₄ nanoparticles for the degradation of methyl orange under visible – light, Journal of Electronic Materials, 48(5), 3131-3136 (2019).

4. Nguyen Vu Ngoc Mai_,  Duong Thi Lim, Nguyen Quang Bac, Nguyen Thi Ha Chi, Doan Trung Dung, Ngo Pham Nghia and Dao Ngoc Nhiem. Fe₂O₃/Mn₂O₃ nanoparticles: Preparations and applications in the photocatalytic degradation of phenol and parathion in water, Journal of the Chinese Chemical Society, 67, 242-245( 2020).

5. Dao Ngoc Nhiem_, Dao Hong Duc, Duong Thi Lim, Nguyen Quang Bac, Pham Ngoc Chuc, Doan Trung Dung, Nguyen Thi Ha Chi, Ngo Nghia Pham, Do Quang Trung, Nguyen Vu Ngoc Mai, Tran Xuan Mau, and Dinh Quang Khieu, Strong adsorption of arsenite and phosphate from aqueous solution using La₂O₃–CeO₂ composite, Journal of Polymers and the Environment, 29(4), 1310-1323  (2021).

6. Dao Ngoc Nhiem,  Nguyen Thi Ha Chi, Doan Trung Dung, Pham Ngoc Chuc,Nguyen Quang Bac, Duong Thi Lim, Ngo Nghia Pham, Nguyen Vu Ngoc Mai, Tran Dai Lam, Effect of CeO₂-Fe₂O₃ coated SiO₂ nanoparticles on the thermal stability and UV resistance and of polyurethane films, Journal of Polymer Research , 28(139),1-11 (2021).

7. Nguyen Quang Bac, Pham Ngoc Chuc, Nguyen Thi Ha Chi, Doan Trung Dung, Duong Thi Lim, Ngo Nghia Pham, Nguyen Vu Ngoc Mai, Cao Van Hoang, Tran Dai Lam and  Dao Ngoc Nhiem, Porous nonhierarchical CeO₂-SiO₂ nanocomposites for improving the ultraviolet resistance capacity of polyurethane coatings, Materials Research Express, 8(5),056405 (2021).

8. Dao Ngoc Nhiem, Luu Minh Dai, Pham Ngoc Chuc, Doan Trung Dung, Nguyen Thi Ha Chi, Nguyen Quang Bac, Duong Thi Lim, process of recovering antimony from antimonyl soutce,  the patent by the National Office of Intellectual Property No. 23004, published on 30/12/2019.

9. Dao Ngoc Nhiem, Pham Ngoc Chuc, Luu Minh Dai, Cao Van Hoang, Doan Trung Dung, Duong Thi Lim, production method of rare earth complex micro-fertilizer-lactate, the patented utility solutions digital by the National Office of Intellectual Property No. 2436, published on 25/08/2020.

10. Dao Ngoc Nhiem, Doan Trung Dung, Pham Ngoc Chuc, Nguyen Thi Ha Chi, Duong Thi Lim, The production method of nano silver, the patent by the National Office of Intellectual Property No. 1-0026046, published on 26/10/2020.

1. 01 UV-VIS multi-functional machine, model: UV-1800 (Shimazdu, Japan), scanning spectral range λ = 200 ÷ 1100 nm

2. DTA/TG Setaram LabSys Evo thermal analyzer (France), the heater 30 ÷ 1600^oC

3. A small number of devices: kiln programmed temperature controller, model: TC03/15 (Naberterm, CHLBD), the heater 30 ÷ 1500^oC; ultrasonic vibration machine, model: MXB6 (Grant, UK); Machine stir, pH meters, ...