采用可溶性的四叔丁基四氮杂卟啉铅[PbTAP(t-Bu)4],利用旋涂技术制备了四叔丁基四氮杂卟啉铅配合物旋涂膜,并对旋涂膜进行了红外光谱、电子吸收光谱分析.PbTAP(t-Bu)4在近紫外区(300~400nm)及可见区(500~700nm)有强吸收带,膜与配合物溶液相比电子吸收光谱谱带明显变宽并略有红移.四叔丁基四氮杂卟啉铅配合物旋涂膜对NH3和NO2气体的气敏性研究结果表明:该旋涂膜具有较好的气敏性,PbTAP(t-Bu)4旋涂膜对NH3的灵敏度大约是NO2的2倍,在10s内就可以达到平衡值,并且表现出较好的响应和恢复能力,而对NO2气体表现出较差的可逆性.
参考文献
[1] | Richardson T;Smith V C;Johnstone R A W et al.Optical response of monolayer films of a metal-free sulfonamidoporphyrin[J].Thin Solid Films,1998,327:315-319. |
[2] | Barker P S;Petty M C;Monkman A P .A hybrid phthalocyanine / silicon field-effect transistor sensor for NO[J].Thin Solid Films,1996,284-285:94-96. |
[3] | Valkova L.;Borovkov N.;Maccioni E.;Pisani M.;Rustichelli F.;Erokhin V.;Patternolli C.;Nicolini C. .Influence of molecular and supramolecular factors on sensor properties of Langmuir-Blodgett films of tert-butyl-substituted copper azaporphyrines towards hydrocarbons[J].Colloids and Surfaces, A. Physicochemical and Engineering Aspects,2002(0):891-896. |
[4] | Kopranenkov V N;Goncharova S L;Luk yanet E A .Tertbutyl derivatives of porphyrazine[J].Zhurnal Organicheskoi Khimii,1997,47:2143. |
[5] | Fujiki M;Tabei H;Kurihara T .Self - assembling features of soluble nickel phthalocyanines[J].Journal of Physical Chemistry,1988,92(05):1281-1285. |
[6] | Huo LH.;Li W.;Xi SQ.;Li XL. .Gas sensitivity of composite Langmuir-Blodgett films of Fe2O3 nanoparticle-copper phthalocyanine[J].Sensors and Actuators, B. Chemical,2000(1/2):77-81. |
[7] | Wright J D .Gas adsorption on phthalocyanines and its effects on electrical properties[J].Progress in Surface Science,1989,31:1-60. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%