Nghiên cứu tổng hợp, đặc trưng xúc tác MoS2/rGO biến tính với Mn và ứng dụng cho quá trình quang phân hủy rhodamine B trong vùng ánh sáng khả kiến

172. Rahul Kumar, Neeraj Goel, Ramesh Raliya, Pratim Biswas and Mahesh Kumar (2018), "High-performance photodetector based on hybrid of MoS2 and reduced graphene oxide ", Nanotechnology. 29(40), tr. 1-17.

173. Thillai Sivakumar Natarajan, Kalithasan Natarajan, Hari C. Bajaj, Rajesh J. Tayade (2013), "Enhanced photocatalytic activity of bismuth-doped TiO2 nanotubes under direct sunlight irradiation for degradation of Rhodamine B dye ", J Nanopart Res 15(15), tr. 1-18.

174. Xiufeng Zhou, Juan Lu, Jingjing Jiang, Xiaobin Li, Mengna Lu, Guotao Yuan, Zuoshan Wang, Min Zheng and Hyo Jin Seo (2014), "Simple fabrication of N-doped mesoporous TiO2 nanorods with the enhanced visible light photocatalytic activity ", Nanoscale Research Letters 9(34), tr. 1-7.

Construction of MoS2-g-C3N4 Heterostructures Using Mechanochemistry for High Performance Electrochemical Supercapacitor and Visible Light Photocatalytic Applications", Nature Scientific Report. 7, tr. 43055-43066.

176. Xiaoru Guo, Yang Hou, Ren Ren and Junhong Chen (2017), "Temperature- dependent Crystallization of MoS2 Nanoflakes on Graphene Nanosheets for Electrocatalysis ", Nanoscale Research Letters 12(479), tr. 1-9.

177. Honglin Li, KeYu, Chao Li, ZhengTang, BangjunGuo, Xiang Lei, Hao Fu & Ziqiang Zhu (2015), "Charge-Transfer Induced High Efficient Hydrogen Evolution of MoS2/graphene Cocatalyst ", Scientific Reports 5(1), tr. 1-11.

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180. S. Kumar, V. Sharma, K. Bhattacharyya and V. Krishnan (2016), "Synergetic effect of MoS2-RGO doping to enhance the photocatalytic performance of ZnO nanoparticles", New J. Chem. . 40, tr. 5185-5197.

181. M. K. Singh, P. Chettri, A. Tripathi, A. Tiwari, B. Mukherjee and R. K. mandal (2018), "Defect mediated magnetic transitions in Fe and Mn doped MoS2 ", Phys. Chem. Chem. Phys. . 20, tr. 15817-15823.

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195. Kui Chen, Mei Wang, Guangli Li, Quanguo He, Jun Liu and Fuzhi Li (2018), "Spherical -MnO2 Supported on N-KB as Efficient Electrocatalyst for Oxygen Reduction in Al–Air Battery ", Materials 11(4), tr. 601-615.

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PHỤ LỤC

Phụ lục 1. Giản đồ XRD của các mẫu vật liệu graphit

8000

Faculty of Chemistry, HUS, VNU, D8 ADVANCE-Bruker - Graphite

7000

d=3.368

6000

5000

Lin (Cps)

4000

3000

2000

d=2.037

d=1.682

1000

10 20 30 40 50 60 70 8

2-Theta - Scale

File: TrangQNU Graphite.raw - Type: 2Th/Th locked - Start: 10.000 ° - End: 79.990 ° - Step: 0.030 ° - Step time: 0.3 s - Temp.: 25 °C (Room) - Time Started: 14 s - 2-Theta: 10.000 ° - Theta: 5.000 ° - Chi: 0.00 ° - Phi: 0.00 ° - 00-041-1487 (I) - Graphite-2H - C - Y: 47.39 % - d x by: 1. - WL: 1.5406 - Hexagonal - a 2.47040 - b 2.47040 - c 6.72440 - alpha 90.000 - beta 90.000 - gamma 120.000 - Primitive - P63/mmc (194) - 4 - 35.5401 - I/Ic PDF 7.

Phụ lục 2. Giản đồ XRD của các mẫu vật liệu GO

Faculty of Chemistry, HUS, VNU, D8 ADVANCE-Bruker - GO

400

d=7.647

300

Lin (Cps)

200

d=2.142

100

2 10 20 30 40 50 60 70 8

2-Theta - Scale

File: ThaoQNU GO.raw - Type: 2Th/Th locked - Start: 2.000 ° - End: 80.000 ° - Step: 0.030 ° - Step time: 0.5 s - Temp.: 25 °C (Room) - Time Started: 23 s - 2-Theta: 2.000 ° - Theta: 1.000 ° - Chi: 0.00 ° - Phi: 0.00 ° - X: 0.0

Phụ lục 3. Giản đồ XRD của các mẫu vật liệu rGO ở các nhiệt độ nung khác nhau

3.1. rGO ở 70oC

d=3.371

d=2.944

d=1.84

d=1.670

d=1.363d=1.313

Lin (Cps)

Faculty of Chemistry, HUS, VNU, D8 ADVANCE-Bruker - rGO 70

2-Theta - Scale

File: TrangQNU RGO.raw - Type: 2Th/Th locked - Start: 2.000 ° - End: 80.000 ° - Step: 0.030 ° - Step time: 0.5 s - Temp.: 25 °C (Room) - Time Started: 25 s - 2-Theta: 2.000 ° - Theta: 1.000 ° - Chi: 0.00 ° -

3.2. rGO ở 200oC

1000

Faculty of Chemistry, HUS, VNU, D8 ADVANCE-Bruker - rGO 200

900

800

700

600

Lin (Cps)

500

d=3.591

400

300

200

100

2 10 20 30 40 50 60 70 8

2-Theta - Scale

File: TrangQNU rGO200.raw - Type: 2Th/Th locked - Start: 2.000 ° - End: 80.000 ° - Step: 0.030 ° - Step time: 0.5 s - Temp.: 25 °C (Room) - Time Started: 28 s - 2-Theta: 2.000 ° - Theta: 1.000 ° - Chi: 0.00 ° - Phi: 0.00 ° - X:

3.3. rGO ở 400oC

Faculty of Chemistry, HUS, VNU, D8 ADVANCE-Bruker - rGO 400

600

500

400

Lin (Cps)

d=3.470

300

200

100

2 10 20 30 40 50 60 70 8

2-Theta - Scale

File: TrangQNU rGO400.raw - Type: 2Th/Th locked - Start: 2.000 ° - End: 80.000 ° - Step: 0.030 ° - Step time: 0.5 s - Temp.: 25 °C (Room) - Time Started: 15 s - 2-Theta: 2.000 ° - Theta: 1.000 ° - Chi: 0.00 ° - Phi: 0.00 ° - X:

3.4. rGO ở 600oC

Faculty of Chemistry, HUS, VNU, D8 ADVANCE-Bruker - rGO 600

400

300

Lin (Cps)

d=3.419

200

100

2 10 20 30 40 50 60 70 8

2-Theta - Scale

File: TrangQNU RGOapril.raw - Type: 2Th/Th locked - Start: 2.000 ° - End: 80.000 ° - Step: 0.030 ° - Step time: 0.5 s - Temp.: 25 °C (Room) - Time Started: 15 s - 2-Theta: 2.000 ° - Theta: 1.000 ° - Chi: 0.00 ° - Phi: 0.00 ° -

1) Left Angle: 22.430 ° - Right Angle: 28.940 ° - Left Int.: 19.7 Cps - Right Int.: 29.8 Cps - Obs. Max: 25.970 ° - d (Obs. Max): 3.428 - Max Int.: 166 Cps - Net Height: 141 Cps - FWHM: 1.577 ° - Chord Mid.: 25.886 ° - Int. Br