2012
DOI: 10.1080/1536383x.2011.613536
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Layer-by-Layer Polypyrrole Coated Graphite Oxide and Graphene Nanosheets as Catalyst Support Materials for Fuel Cells

Abstract: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 applications yet it is necessary to develop low cost and more efficient PEMFCs. The heart of the PEMFC is the membrane electrode assembly composed of a proton exchange membrane sandwiched between two porous gas diffusion electrodes. These electrodes are made up of a catalyst support mater… Show more

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Cited by 31 publications
(12 citation statements)
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“…The Raman spectrum of pure PPy displays two peaks located at 1358 cm À1 (D peak) and 1570 cm À1 (G peak), which are related to the pyrrole ring and C]C molecular chain stretching vibration of PPy, respectively. 46,47 And the calculated peak intensity ratio of D peak and G peak (I D /I G ) is 0.92. As can be seen from the Raman spectrum, the peaks position of b-NSA doped PPy have no obvious shi compared with that of pure PPy.…”
Section: Resultsmentioning
confidence: 99%
“…The Raman spectrum of pure PPy displays two peaks located at 1358 cm À1 (D peak) and 1570 cm À1 (G peak), which are related to the pyrrole ring and C]C molecular chain stretching vibration of PPy, respectively. 46,47 And the calculated peak intensity ratio of D peak and G peak (I D /I G ) is 0.92. As can be seen from the Raman spectrum, the peaks position of b-NSA doped PPy have no obvious shi compared with that of pure PPy.…”
Section: Resultsmentioning
confidence: 99%
“…The surface morphology of GONF was investigated with scanning electron microscopy (SEM). SEM image of GONF which used in this study is presented in Figure 6 (see Figure 6c [16]) as compared with other carbon-based nanomaterials such as carbon nanofiber (CNF, Figure 6a [28]), graphene (Figure 6b [29]) and carbon nanotube (CNT, Figure 6d [30]). As can be seen in Figure 6, CNF, graphene and CNT appear in one-, two-and three-dimension morphologies.…”
Section: Characterization Of Gonfmentioning
confidence: 99%
“…Kết quả cho thấy có đỉnh phổ đặc trưng cho vật liệu graphit tại góc 2θ = 26,5 o với khoảng cách mạng tinh thể là 3,37 nm từ đó tính được số lớp tương đối của graphen là 30 lớp. Với vật liệu graphit thì đỉnh phổ nhọn và cao, còn với nanocompozit graphen/PPy cho đỉnh phổ thấp, rộng cho thấy chúng có số lớp nhỏ [7].…”
Section: Giản đồ Nhiễu Xạ Tia Xunclassified