【摘要】：常溫下以間苯三酚和3-甲醛苯并噻吩作為原料,一步法合成了含硫酚醛樹脂。在氬氣保護(hù)下碳化,成功制備出了硫摻雜多孔碳(S-PC)。并利用掃描電鏡(SEM)、X射線光電子能譜(XPS)、X射線衍射(XRD)和氮?dú)馕?脫附儀對材料進(jìn)行了形貌、結(jié)構(gòu)和性能的表征。實(shí)驗(yàn)結(jié)果表明,所得樣品具有較高比表面積和大量的微孔,經(jīng)過調(diào)控,可以使制備的硫摻雜多孔碳的BET比表面積達(dá)到997 m2·g~(-1),并使其微孔孔體積達(dá)到0.44 cm3·g~(-1)。得益于較高的比表面積以及其富含微孔的特性,當(dāng)材料應(yīng)用于二氧化碳吸附時(shí),具有較高的CO2吸附量,在273和298 K時(shí)分別高達(dá)5.13,3.22 mmol·g~(-1),并具有良好的選擇性。
[Abstract]:Sulfur-containing phenolic resin was synthesized by one-step method with resorcinol and 3-formaldehyde benzothiophene as raw materials at room temperature. Sulfur-doped porous carbon (S-PC) was successfully prepared by carbonation under argon protection. The morphology, structure and properties of the materials were characterized by scanning electron microscope (SEM), X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD) and nitrogen adsorption-desorption apparatus. The experimental results show that the samples have high specific surface area and a large number of micropores. After regulation, the BET specific surface area of sulfur-doped porous carbon can reach 997m2 路g ~ (- 1). The micropore volume reached 0.44 cm3 路g ~ (- 1). Due to the high specific surface area and its rich micropores, when the material is used for carbon dioxide adsorption, it has a higher CO2 adsorption capacity, which is as high as 5.13 and 3.22 mmol 路g ~ (- 1) at 273 K and 298 K, respectively. And has good selectivity.
【作者單位】： 無機(jī)合成與制備化學(xué)國家重點(diǎn)實(shí)驗(yàn)室吉林大學(xué)化學(xué)學(xué)院;
【基金】：國家自然科學(xué)基金(No.21390394,21261130584,21771082和91022030) 高等學(xué)校學(xué)科創(chuàng)新引智計(jì)劃(No.B07016)資助項(xiàng)目
【分類號】：O613.71;O647.3
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本文編號：2481368