24小时热门版块排行榜    

查看: 3035  |  回复: 11
当前只显示满足指定条件的回帖,点击这里查看本话题的所有回帖

憬色如初

铜虫 (小有名气)

[求助] 投稿遇到的关于孔径分布的问题 已有2人参与

最近投了一篇文章,我本身是做电化学,关于氮气吸附脱附的相关只是几乎不懂,也只看过几篇文献的这部分,只能照葫芦画瓢。下面是我文章的这部分,以及审稿人意见,求大神指点该如何回复这个问题。谢了!
我文章中的描述部分:
The Nitrogen adsorption–desorption isotherm of the ordered MCNAs exhibits type IV characteristics (Fig. 3), which is indicative of the presence of relatively large pores in the sample. The BET surface area and total pore volume of the ordered MCNAs are 960 m2 g−1 and 1.598 cm3 g−1, respectively. The mesopore size distribution shown in Fig. 3 (inset) indicates that the mesopore sizes of the ordered MCNAs are dominantly distributed between 3.0 nm and 5.0 nm with a peak value at ~ 3.9 nm. The average pore diameter determined by BJH method is 8.8 nm.


审稿人的修改意见:
Nevertheless, the characterization of the mesoporous structure of carbon nanofiber arrays is still not convincing. The author described that the mesopores of ordered MCNAs are mainly centered at ~3.9 nm (page 5, line 56). However, the nitrogen adsorption curve (Figure 3) indicates the presence of mesopores with broad size distribution (a sharp capillary condensation step does not appear). TEM images (Figure 2C) does not give clear evidence for the uniform mesopores, either. In my opinion, sharp pore size distribution presented in inset of Figure 3 might be calculated from a desorption curve. The author should surely confirm whether the pore size distribution was derived by using the adsorption isotherm.

投稿遇到的关于孔径分布的问题
JX]IUB]`M$054989MVUE6MN.png
回复此楼

» 猜你喜欢

» 本主题相关价值贴推荐,对您同样有帮助:

跟随你的心
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

yu_xuting

禁虫 (小有名气)

本帖内容被屏蔽

4楼2015-03-12 12:00:41
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
查看全部 12 个回答

yu_xuting

禁虫 (小有名气)

感谢参与,应助指数 +1
本帖内容被屏蔽

2楼2015-03-11 23:50:04
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

憬色如初

铜虫 (小有名气)

引用回帖:
2楼: Originally posted by yu_xuting at 2015-03-11 23:50:04
审稿专家认为你用的脱附数据得到的孔径分布,我也敢肯定你用的脱附曲线数据计算的,4纳米左右的峰值是个假峰,审稿专家建议你用吸附曲线计算孔分布,要么BJH模型计算,要么DFT模型计算,得到的孔径分布和扫描电镜再 ...

我确实是用脱附算的,然后用吸附做了孔径分布,如下图。这是说明是假孔吗?我又看可了下别的师兄用这台机器做出来的别的样品数据,用脱附可做出和我类似的孔径分布,吸附支同样没有相应的孔。这是仪器有问题吗?
投稿遇到的关于孔径分布的问题-1
GSC537DORR4ANF4Y1QWX~7E.png

跟随你的心
3楼2015-03-12 10:15:38
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

憬色如初

铜虫 (小有名气)

引用回帖:
4楼: Originally posted by yu_xuting at 2015-03-12 12:00:41
有的审稿专家不会在乎用吸附或是脱附计算孔分布,因为目前对这存在争论,从你的吸附脱附曲线可以看出你的材料孔分布肯定不均匀,孔分布宽泛,没有明显的峰值,既然你遇到这样的审稿专家了那就用吸附支数据计算的孔 ...

能具体说下怎么从吸附脱附曲线看出材料孔分布不均匀的吗?吸附支做出的图看不出明显的孔径分布(图在上面),该怎么办呢?麻烦你了
跟随你的心
5楼2015-03-12 14:00:20
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
最具人气热帖推荐 [查看全部] 作者 回/看 最后发表
[考研] 一志愿北京化工大学 070300 学硕 336分 求调剂 +6 vv迷 2026-03-22 6/300 2026-03-23 22:00 by fuyu_
[考研] 265求调剂 +10 梁梁校校 2026-03-17 10/500 2026-03-23 21:17 by 一切OK
[考研] 316求调剂 +7 梁茜雯 2026-03-19 7/350 2026-03-23 16:21 by lingjue
[考研] 求老师收我 +3 zzh16938784 2026-03-23 3/150 2026-03-23 12:56 by ztnimte
[考研] 315分,诚求调剂,材料与化工085600 +3 13756423260 2026-03-22 3/150 2026-03-22 20:11 by edmund7
[考研] 求调剂 +6 十三加油 2026-03-21 6/300 2026-03-22 17:00 by i_cooler
[考研] 一志愿 西北大学 ,070300化学学硕,总分287,双非一本,求调剂。 +3 晨昏线与星海 2026-03-20 3/150 2026-03-22 16:00 by ColorlessPI
[考研] 318求调剂 +4 plum李子 2026-03-21 7/350 2026-03-22 14:17 by ColorlessPI
[考研] 278求调剂 +9 烟火先于春 2026-03-17 9/450 2026-03-21 17:47 by 学员8dgXkO
[考研] 296求调剂 +4 www_q 2026-03-20 4/200 2026-03-21 17:26 by 学员8dgXkO
[考研] 二本跨考郑大材料306英一数二 +3 z1z2z3879 2026-03-17 3/150 2026-03-21 02:29 by JourneyLucky
[考研] 085700资源与环境308求调剂 +12 墨墨漠 2026-03-18 13/650 2026-03-21 01:42 by JourneyLucky
[考研] 一志愿西南交大,求调剂 +5 材化逐梦人 2026-03-18 5/250 2026-03-21 00:26 by JourneyLucky
[考研] 296求调剂 +6 www_q 2026-03-18 10/500 2026-03-20 23:56 by JourneyLucky
[考研] 295材料求调剂,一志愿武汉理工085601专硕 +5 Charlieyq 2026-03-19 5/250 2026-03-20 20:35 by JourneyLucky
[考研] 261求B区调剂,科研经历丰富 +3 牛奶很忙 2026-03-20 4/200 2026-03-20 19:34 by JourneyLucky
[考研] 求调剂 +3 eation27 2026-03-20 3/150 2026-03-20 19:32 by JourneyLucky
[考研] 一志愿南理工085701环境302求调剂院校 +3 葵梓卫队 2026-03-20 3/150 2026-03-20 19:28 by zhukairuo
[考研] 生物学调剂招人!!! +3 山海天岚 2026-03-17 4/200 2026-03-19 21:34 by 怎么释怀
[考研] 收复试调剂生 +4 雨后秋荷 2026-03-18 4/200 2026-03-18 14:16 by elevennnne
信息提示
请填处理意见