Mn, n共掺杂ZrTiO4光催化下亚甲基蓝的可见光诱导降解

IF 1 Q4 CHEMISTRY, MULTIDISCIPLINARY

Indonesian Journal of Chemistry Pub Date : 2023-05-08 DOI:10.22146/ijc.79261

A. Syoufian, Rian Kurniawan

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引用次数: 0

摘要

采用溶胶-凝胶法制备了锰与氮共掺杂钛酸锆(Mn, n-共掺杂ZrTiO4)复合材料，作为光降解亚甲基蓝(MB)的可见光响应光催化剂。以异丙醇钛(IV)、氧化锆、尿素和氯化锰(II)为原料，在25℃下合成。研究了Mn、n共掺杂ZrTiO4(含10%固定氮掺杂剂wN/wTi)， Mn掺杂量(2、4、6、8和10% wMn/wTi)和煅烧温度(500、700和900℃)不同。所有Mn, n共掺杂的ZrTiO4在可见光范围(2.51 ~ 2.74 eV)内都有带隙。在可见光下降解MB 120 min，当Mn、N共掺杂ZrTiO4掺杂6% Mn和10% N时，在500°C下煅烧，其活性最高可达7.7 μ g L−1 min−1。

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Visible-Light-Induced Photodegradation of Methylene Blue Using Mn,N-codoped ZrTiO4 as Photocatalyst

Composites of manganese and nitrogen-codoped zirconium titanate (Mn,N-codoped ZrTiO4) had been synthesized by the sol-gel method as a visible-light responsive photocatalyst for the photodegradation of methylene blue (MB). Synthesis was conducted at 25 °C using titanium(IV) isopropoxide, zirconium oxide, urea, and manganese(II) chloride. Mn,N-codoped ZrTiO4 containing fixed 10% nitrogen dopant (wN/wTi) with various Mn dopant contents (2, 4, 6, 8, and 10% wMn/wTi) and calcination temperatures (500, 700, and 900 °C) had been investigated. All of the Mn,N-codoped ZrTiO4 exhibit a band gap within the visible range (2.51 to 2.74 eV). Photodegradation of MB was performed under visible light illumination for 120 min. The highest activity was achieved up to 7.7 µg L−1 min−1, which was obtained from Mn,N-codoped ZrTiO4 calcined at 500 °C containing 6% Mn and 10% N dopants.

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来源期刊

Indonesian Journal of Chemistry CHEMISTRY, MULTIDISCIPLINARY-

CiteScore

2.30

自引率

11.10%

发文量

106

审稿时长

15 weeks

期刊介绍： Indonesian Journal of Chemistry is a peer-reviewed, open access journal that publishes original research articles, review articles, as well as short communication in all areas of chemistry, including educational chemistry, applied chemistry, and chemical engineering.