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wangzhuo9736

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引用回帖:
Originally posted by dy322112 at 2011-02-22 02:35:28:
聚合物阳离子修饰有利于金属粒子沉积吧

可以说的具体点吗?我刚刚开始还不是很明白。谢谢
11楼2011-02-22 11:06:25
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i_com

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引用回帖:
Originally posted by wangzhuo9736 at 2011-02-22 03:06:25:
可以说的具体点吗?我刚刚开始还不是很明白。谢谢

LZ,能把这篇文献发个我吗?或者标题也可以,谢谢!
i2food@163.com
12楼2011-02-22 15:27:35
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daikai940

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小木虫头牌大钻风

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也请楼主发我一份看看,谢谢
daikai940@163.com
13楼2011-02-22 15:29:20
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弱智1232

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楼主,能否发我一份啊,464475080@qq.com
14楼2011-02-24 22:52:43
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zhaoyuting

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15楼2012-02-27 20:28:45
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zhaoyuting

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7楼: Originally posted by zhkg7120 at 2011-02-22 09:13:37:
A 150 mg of PDDA solution (35wt. % in H2O solution) was added to capture the PtCl6
文章里面说的很明白 PDDA是用来捕获PtCl62-的
因为PDDA是带正电荷的聚电解质 PtCl6是带负电荷的离子
PDDA不会是用来做 ...

PtAu/graphene nanocomposites (Pt:Au=1:1) were synthesized at room temperature. First,0.249 mL H2PtCl6 (7.53 mg Pt mL-1 H2O) and 0.420 mL HAuCl4 (4.46 mg Au mL-1 H2O) were added into 200 mL of deionized H2O under vigorous stirring. A 150 mg of PDDA solution (35wt. % in H2O solution) was added to capture the PtCl6 2- and AuCl4- ions within the long chains of PDDA via the electrostatic interaction.1 Then, a strong reducer NaBH4 (22.5 mg dissolved in 3.5 mL H2O) was added all at once and the reaction lasted for 5 min under vigorous stirring.During this process, the color of the solution changed from light yellow to brown, and PtAu alloy NPs were obtained. After that, 15 mg as-prepared graphene nanosheets were added into the PtAu solution above. Then, 100 mg KNO3 was used to promote PtAu NPs to load on graphene nanosheets.2
请问一下帅哥,这样得到的合金纳米粒子表面是不是带正电荷啊?
吃得苦中苦,方为人上人!
16楼2012-02-27 20:52:24
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乖乖女723

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我也是做石墨烯功能化的,为什么我老是沉不上Pt,对甲醇没有催化活性啊?而且加还原剂有气泡怎么办?
17楼2012-03-20 17:06:07
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zhang-qian

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我也是刚做这个,楼主可否将文献标题发给我啊,或者直接将文献发给我,juan8719@126.com
18楼2013-05-07 12:59:25
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