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[求助] 帮忙翻译化学论文中的英文英译汉11-12

11. Pt/CuNWs were synthesized with a diameter of 100 nm and a length of 25−40 μm (Figure 1 a−b). PtNTs (Cu) were synthesized with a wall thickness of 11 nm (as determined by high resolution TEM images), an outer diameter of 100 nm, and a length of 5−20 μm (Figure 1 c−d and Supporting Information, Figure S.1). The CuNWs used in the galvanic displacement had an outer diameter of 100 nm and a length of 40−50 μm (Supporting Information, Figure S.2). Previously synthesized PtNTs (Ag) had a wall thickness of 5 nm, an outer diameter of 60 nm, and a length of 5−20 μm. 9,10 The Pt loading of Pt/CuNWs and PtNTs (Cu) was 18 wt % (total mass, 82 wt % Cu) and 95 wt % (total mass, 5 wt % Cu), respectively. Previously synthesized PtNTs (Ag) were also found to have a Pt content of 97 wt % (total mass, 3 wt % Ag). Pt loadings were determined by energy dispersive X-ray spectroscopy (EDS).
12. SAED patterns of CuNWs matched those previously found by Zeng et al. and con ﬁ rmed the presence of single twinned CuNWs with growth in the [1,−1,0] direction (Supporting Information, Figure S.3). 15,17 High resolution TEM images showed a [1,−1,1] lattice spacing of 0.25 nm (Supporting Information, Figure S.4). SAED patterns of PtNTs also matched the patterns of CuNWs provided by Zeng et al. 1 The PtNTs therefore grew in the [1,−1,0] direction; high resolution TEM images con ﬁ rmed a [1,−1,1] lattice spacing of 0.25 nm. The ability of Pt to maintain the growth directions and lattice spacing of CuNWs was in part attributed to matches in crystal structure and similar atomic size.

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