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1.
Figure 1

Figure 1. From: Recent Progress in Syntheses and Applications of Dumbbell-like Nanoparticles.

Schematic illustration of a dumbbell-like nanoparticle sturcture described in this reveiw.

Chao Wang, et al. Adv Mater. ;21(30):3045-3052.
2.
Figure 7

Figure 7. From: Recent Progress in Syntheses and Applications of Dumbbell-like Nanoparticles.

Schematic illustration of the formation of CdS-FePt DBNPs. Reproduced with permission from reference 6.

Chao Wang, et al. Adv Mater. ;21(30):3045-3052.
3.
Figure 5

Figure 5. From: Recent Progress in Syntheses and Applications of Dumbbell-like Nanoparticles.

(a) TEM and (b) HRTEM images of Fe3O4-Au-Fe3O4 DBNPs. Reproduced with permission from reference 12.

Chao Wang, et al. Adv Mater. ;21(30):3045-3052.
4.
Figure 4

Figure 4. From: Recent Progress in Syntheses and Applications of Dumbbell-like Nanoparticles.

(a) Schematic illustration of the syntehsis of Ag-Fe3O4 DBNPs and TEM images of the two Ag-Fe3O4 DBNPs aligned parallel (b), antiparallel (c) and an assembly of Ag-Fe3O4 NPs.

Chao Wang, et al. Adv Mater. ;21(30):3045-3052.
5.
Figure 10

Figure 10. From: Recent Progress in Syntheses and Applications of Dumbbell-like Nanoparticles.

Hysteresis loops of the Au-Fe3O4 DBNPs measured at room temperature: (a) 3 nm–14 nm Au-Fe3O4 and (b) 3 nm–6 nm Au-Fe3O4 NPs. Reproduced with permission from reference 7.

Chao Wang, et al. Adv Mater. ;21(30):3045-3052.
6.
Figure 2

Figure 2. From: Recent Progress in Syntheses and Applications of Dumbbell-like Nanoparticles.

(a) Schematic illustration of the growth of Au-Fe3O4 DBNPs. (b) TEM and (c) HRTEM images of the 8 nm – 14 nm Au-Fe3O4 DBNPs. Reproduced with permission from reference 7.

Chao Wang, et al. Adv Mater. ;21(30):3045-3052.
7.
Figure 8

Figure 8. From: Recent Progress in Syntheses and Applications of Dumbbell-like Nanoparticles.

UV-Vis spectra of the Au and Au-Fe3O4 NP dispersions in hexane: (A) 8 nm Au; (B) 4 nm Au; (C) 7 nm–14 nm Au-Fe3O4; and (D) 3 nm–14 nm Au-Fe3O4. Reproduced with permission from reference 7.

Chao Wang, et al. Adv Mater. ;21(30):3045-3052.
8.
Figure 6

Figure 6. From: Recent Progress in Syntheses and Applications of Dumbbell-like Nanoparticles.

TEM images of (a) Au nanorods (29 × 4 nm) and (b) Au-CdSe composite NPs with CdSe growing on the tip of the Au nanorods. Reproduced with permission from reference 13.

Chao Wang, et al. Adv Mater. ;21(30):3045-3052.
9.
Figure 12

Figure 12. From: Recent Progress in Syntheses and Applications of Dumbbell-like Nanoparticles.

CO oxidation conversion light-off curves of Au-Fe3O4 deposited on SiO2, TiO2 and carbon: a) Au-Fe3O4: Au-Fe3O4 nanoparticles calcined at 300 °C for 1h; b) Au-Fe3O4/SiO2: Au-Fe3O4 deposited on SiO2 was calcined at 500 °C for 1h; c) /Au-Fe3O4/TiO2: Au-Fe3O4 deposited on TiO2 was calcined at 300 °C for 1h; d) Au-Fe3O4/C: Au-Fe3O4 deposited on carbon was calcined at 300 °C for 1h. Reproduced with permission from reference 22.

Chao Wang, et al. Adv Mater. ;21(30):3045-3052.
10.
Figure 3

Figure 3. From: Recent Progress in Syntheses and Applications of Dumbbell-like Nanoparticles.

Schematic illustration of the formation of DBNPs in a micellar structure by ultrasonication of a heterogeneous solution with as-prepared Fe3O4 NPs in the organic phase and AgNO3 in water. Reproduced with permission from reference 3a.

Chao Wang, et al. Adv Mater. ;21(30):3045-3052.
11.
Figure 13

Figure 13. From: Recent Progress in Syntheses and Applications of Dumbbell-like Nanoparticles.

(a) Schematic illustration of surface functionalization of the Au-Fe3O4 DBNPs, (b) TEM image of the 8 nm – 20 nm Au-Fe3O4 NPs after surface modification, (c) Reflection images of the 8 nm – 20 nm Au-Fe3O4 labeled A431 cells. Reproduced with permission from reference 3b.

Chao Wang, et al. Adv Mater. ;21(30):3045-3052.
12.
Figure 9

Figure 9. From: Recent Progress in Syntheses and Applications of Dumbbell-like Nanoparticles.

The photoluminescence spectra for PbS and Au-PbS DBNPs. PL quenching is observed in the DBNPs, compared to pure PbS NPs. The emission data are shown as solid curves for 514 nm excitation, and dashed curves for 840 nm excitation. Reproduced with permission from reference 12.

Chao Wang, et al. Adv Mater. ;21(30):3045-3052.
13.
Figure 11

Figure 11. From: Recent Progress in Syntheses and Applications of Dumbbell-like Nanoparticles.

Magnetooptical Faraday rotation of Au-CoFe2O4 NPs and CoFe2O4 NPs in hexane at laser wavelengths of (a) 385 nm, and (b) 633 nm, respectively, (∼100 nM concentration; optical path length is 2 mm). Reproduced with permission from reference 10.

Chao Wang, et al. Adv Mater. ;21(30):3045-3052.

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