کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8033149 | 1517967 | 2018 | 38 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Controllable macroporous morphology of spontaneously grown silica films from a sol-gel solution containing a Pluronic surfactant
ترجمه فارسی عنوان
کنترل مورفولوژیکی ماکروپوروم از فیلم های سلفی خود به خودی رشد شده از یک محلول سل-ژل حاوی سورفکتانت پلورونیک
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فناوری نانو (نانو تکنولوژی)
چکیده انگلیسی
Accessibility and specific surface area are important factors related to the functions and efficiencies of thin films that act as adsorbents, supports for catalysts, and so on. Therefore, controlling the surface morphology or macro porosity has attracted a great deal of attention. In this work, a spontaneous silica film growth process in a sol-gel solution was studied by observing electron microscopy images as well as by using UV-VIS spectroscopy and surface roughness measurements. As a result, a macroporous silica film was formed in a sol-gel solution containing Pluronic P123 as a structure-directing agent. Furthermore, a preparation of macroporous silica films that have different morphologies was attained by using different Pluronic surfactants and inorganic salts. Some films had a micrometer order rod-like structure, and others had a reticular structure composed of a concatenation of short rod-like nanoparticles. Nitrogen adsorption desorption isotherms were measured for silica deposits that formed during film growth in the sol-gel solution to discuss the characteristics of the silica thin films.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Thin Solid Films - Volume 645, 1 January 2018, Pages 139-145
Journal: Thin Solid Films - Volume 645, 1 January 2018, Pages 139-145
نویسندگان
Isoshi Nukatsuka, Fumihiko Kitagawa, Moemi Nakamura, Takuro Furuya, Kana Shimizu, Shigeki Kihara, Yuuki Hosokawa, Takashi Hirose,