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μ μ
F 3 2 1 F 2 3 1
Syringe pump Power supply Micro tip Planar collector
Absorbance(a.u) (a) 840cm -1 1280cm -1 800 900 1000 1100 1200 1300 1400 1500 1600 Wavelength(cm -1 ) (b) (18.0 o ) (18.6o ) (20.9 o ) (26.5 o ) Relative Intensity 14 16 18 20 22 24 26 28 30 32 2 Theata(Deg.)
(a) 840cm -1 1280cm -1 1.0wt% Absorbance(a.u) 0.5wt% 0.2wt% 0.1wt% 0.05wt% 0wt% 800 900 1000 1100 1200 1300 1400 1500 1600 Wavelength(cm -1 ) (b) Relative Intensity 1.0wt% 0.5wt% 0.2wt% 0.1wt% 0.05wt% 0wt% 14 15 16 17 18 19 20 21 22 23 24 25 2 Theata(Deg.)
48 46 -phase contents(%) 44 42 40 38 36 34 32 0.0 0.2 0.4 0.6 0.8 1.0 MWCNT content(wt%)
(a) 840cm -1 1280cm -1 Draw&poled 0.5wt% Absorbance(a.u) Drawn 0.5wt% Poled 0.5wt% 0.5wt% 0wt% 800 900 1000 1100 1200 1300 1400 1500 1600 Wavelength(cm -1 ) (b) Relative Intensity PVDF/ 0.2wt%MWCNT Poled PVDF/ 0.2wt%MWCNT Drwan PVDF/ 0.2wt%MWCNT Neat Poled&Drawn PVDF/ 0.2wt%MWCNT 15 16 17 18 19 20 21 22 23 2 Theata(Deg.)
100 90 -phase contents(%) 80 70 60 50 40 30 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 MWCNT content(wt%)
Displacement(nm) 2000 1500 1000 500 0-500 -1000-1500 -2000 0 2 4 6 8 10 Time(s) Drawn&Poled PVDF/ MWCNT 1.0wt% EPM Drwan&Poled PVDF EPM Drawn PVDF/ MWCNT 1.0wt% EPM Drawn PVDF EPM 1.0wt% composites 0.5wt% composites 0.2wt% composites 0.05wt% composites Neat PVDF EPM
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ZT 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 Na 0.95 Pb 20 SbTe 22 Bi 0.5 Sb 1.5 Te 3 PbTe/PbS Pb 0.98 Tl 0.02 Te n-sige Bi 2 Te 3 p-sige 0 200 400 600 800 1000 1200 Temperature(K)
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Materials Seebeck coefficient (VK -1 ) Electrical conductivity Scm -1 ) Power factor (Wm -1 K -2 ) ZT Ref. Polyaniline 40 1.4 2.2410-1 2.6710-4 [13] Polythiophene 23 201 10.3 3.0910-2 [22] PEDOT:PSS 50 1300 318.4 0.31 [34] PEDOT:TOS 230 80 324 0.25 [35]
Materials Seebeck coefficient (VK -1 ) Electrical conductivity Scm -1 ) Power factor (Wm -1 K -2 ) ZT Ref. Te / PEDOT:PSS Te nanorods / PEDOT:PSS BST / PAA / PEDOT:PSS 163 19 71 0.1 [42] 115 215 284 0.39 [30] 79 380 240 0.2 [43] Bi2Te3 / PANI 11.6 40 2.010-4 0.004 [44] PbTe / PEDOT:PSS 2500 0.003 1.4510-6 - [45]
2000 Intensity 1500 1000 500 0 ( 0 0 6 ) ( 0 0 5 ) ( 0 1 5 ) ( 1 0 10 ) ( 1 1 0 ) 10 20 30 40 50 60 70 80 90 2theta 2000 1500 Intensity 1000 ( 0 0 5 ) ( 1 1 0 ) 500 0 ( 0 1 5 ) ( 1 1 6 ) ( 2 0 2 ) ( 0 0 21 ) ( 0 0 20 ) 10 20 30 40 50 60 70 80 90 2theta
(a) Sb 3d S 2s S 2p, Bi 4f Bi 5d O 1s, Te 3d C 1s 1000 900 800 700 600 500 400 300 200 100 0 Binding energy(ev)
(b) <Pure PEDOT:PSS> PSS PEDOT <BST-PEDOT:PSS> Bi 174 172 170 168 166 164 162 160 158 156 Binding energy(ev)
μ μ
Seebeck coefficient(v/k) 400 350 300 250 200 150 100 50 0-50 0.0 0.2 0.4 0.6 0.8 1.0 800 700 600 500 400 300 200 100 0 Electrical conductivity(s/cm) DBSA (v%) Power factor (W/mK 2 ) 140 120 100 80 60 40 20 0 0.0 0.2 0.4 0.6 0.8 1.0 DBSA (v/v%)
Electrical conductivity(s/cm) 1400 1200 1000 800 600 400 200 0 Pristine Mixed Dropcast Dipped
Materials Seebeck coefficient (VK -1 ) Electrical conductivity Scm -1 ) Power factor (Wm -1 K -2 ) ZT Ref. Te / PEDOT:PSS Te nanorods / PEDOT:PSS BST / PAA / PEDOT:PSS 163 19 71 0.1 [42] 115 215 284 0.39 [30] 79 380 240 0.2 [43] Bi2Te3 / PANI 11.6 40 2.010-4 0.004 [44] PbTe / PEDOT:PSS 2500 0.003 1.4510-6 - [45] BST / PEDOT:PSS 48 1371 316 - This work
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