Electrochemical formation of thin polyacetonitrile films on a Pt surface

薄膜 电极 化学工程 循环伏安法 铂金 分析化学(期刊) 基质(水族馆) 无机化学 X射线光电子能谱
作者
G. Tourillon,Pierre-Camille Lacaze,Jacques-Emile Dubois
出处
期刊:Journal of Electroanalytical Chemistry [Elsevier BV]
卷期号:100: 247-262 被引量:43
标识
DOI:10.1016/s0022-0728(79)80166-7
摘要

Abstract The modifications occurring on an anodically polarized Pt surface in CH 3 CN-MClO 4 -[M=Li + or N + (R 4 )] or CH 3 CN-LiBF 4 are studied in situ by p.m.t. Under potentiostatic control ( E =2.6 V), formation of a film whose thickness increases over time is observed. For thickness 10–150 nm the friction coefficient is constant ( f =1.5 f 0 ), whereas beyond a thickness of 200 nm, it is very high and fluctuates heavily, thereby expressing not only a major lack of homogeneity in the film surface, but also the weak adherence of the film to the metal substrate. I.r., x.p.s. and s.i.m.s. analysis show the film to be of the polyacetonitrile variety doped with ClO 4 − or BF 4 − ions. When the film is left in a moist atmosphere, partial destruction of the polymer chains occurs and a deposit made up mostly of amides or amide salts is obtained. Polymerization is initiated by radicals ClO 4 . and BF 4 . ; its propagation due to H + ions acting on acetonitrile, leads to the polymer chain Download full-size image . The films are hydrophilic and prove to be heat-resistant when subjected to temperatures up to 200°C for 30 min, but decompose beyond this temperature. Out of the solution these films are non-conductive, but in an electrolytic medium they are highly conductive, as they are easily permeated by the usual ions.
最长约 10秒,即可获得该文献文件

科研通智能强力驱动
Strongly Powered by AbleSci AI
更新
PDF的下载单位、IP信息已删除 (2025-6-4)

科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
刚刚
噜噜完成签到,获得积分10
1秒前
JJ发布了新的文献求助10
2秒前
SciGPT应助Charlie采纳,获得10
3秒前
所所应助jenny_shjn采纳,获得10
4秒前
噜噜发布了新的文献求助10
6秒前
7秒前
fyjlfy完成签到 ,获得积分10
8秒前
勿明应助刀锋采纳,获得50
13秒前
14秒前
大气金毛完成签到 ,获得积分10
15秒前
huahua发布了新的文献求助10
20秒前
Limerencia完成签到,获得积分10
20秒前
考拉发布了新的文献求助10
21秒前
Linden_bd完成签到 ,获得积分10
21秒前
唐新惠完成签到 ,获得积分10
21秒前
充电宝应助你想读博吗采纳,获得10
22秒前
lightgo应助科研通管家采纳,获得10
24秒前
华仔应助科研通管家采纳,获得10
25秒前
思源应助科研通管家采纳,获得10
25秒前
充电宝应助科研通管家采纳,获得10
25秒前
lightgo应助科研通管家采纳,获得10
25秒前
25秒前
彭于晏应助科研通管家采纳,获得10
25秒前
勤恳的黑夜完成签到 ,获得积分10
25秒前
27秒前
在水一方应助Li采纳,获得10
29秒前
32秒前
236完成签到,获得积分10
32秒前
33秒前
CornellRong发布了新的文献求助200
37秒前
37秒前
37秒前
考拉完成签到 ,获得积分10
39秒前
surain完成签到,获得积分10
40秒前
香菜卷煎饼完成签到,获得积分10
41秒前
111111完成签到,获得积分10
42秒前
Li发布了新的文献求助10
42秒前
天天快乐应助wangxiaobin采纳,获得10
44秒前
44秒前
高分求助中
The Mother of All Tableaux Order, Equivalence, and Geometry in the Large-scale Structure of Optimality Theory 2400
Ophthalmic Equipment Market by Devices(surgical: vitreorentinal,IOLs,OVDs,contact lens,RGP lens,backflush,diagnostic&monitoring:OCT,actorefractor,keratometer,tonometer,ophthalmoscpe,OVD), End User,Buying Criteria-Global Forecast to2029 2000
Optimal Transport: A Comprehensive Introduction to Modeling, Analysis, Simulation, Applications 800
Official Methods of Analysis of AOAC INTERNATIONAL 600
ACSM’s Guidelines for Exercise Testing and Prescription, 12th edition 588
T/CIET 1202-2025 可吸收再生氧化纤维素止血材料 500
Interpretation of Mass Spectra, Fourth Edition 500
热门求助领域 (近24小时)
化学 材料科学 医学 生物 工程类 有机化学 生物化学 物理 内科学 纳米技术 计算机科学 化学工程 复合材料 遗传学 基因 物理化学 催化作用 冶金 细胞生物学 免疫学
热门帖子
关注 科研通微信公众号,转发送积分 3950988
求助须知:如何正确求助?哪些是违规求助? 3496397
关于积分的说明 11081817
捐赠科研通 3226886
什么是DOI,文献DOI怎么找? 1784005
邀请新用户注册赠送积分活动 868114
科研通“疑难数据库(出版商)”最低求助积分说明 800997