Development of a microwave-discharge light-emitting diode (MDLED): a novel UV source for the UV-driven microwave-assisted TiO2 photocatalytic treatment of contaminated wastewaters

Development of a microwave-discharge light-emitting diode (MDLED): a novel UV source for the UV-driven microwave-assisted TiO2 photocatalytic treatment of contaminated wastewaters
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微波放电发光二极管(MDLED)的开发:一种新型紫外线源,用于紫外线驱动微波辅助二氧化钛光催化处理污染废水

DOI:
10.1007/s43630-021-00118-7
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发表时间:
2021
影响因子:
3.1
通讯作者:
Serpone Nick
Serpone Nick
中科院分区:
化学3区
文献类型:
--
作者:
Horikoshi Satoshi;Kimura Mizuki;Serpone Nick

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这篇简短的文章报道了一种新型半导体数字器件的原型制造,微波放电发光二极管(MDLED),由一个LED和一个肖特基势垒二极管封装在石英晶体管。在该载体表面包覆TiO 2,制备了一种新型的光催化TiO 2单元(MDLED-TiO 2),可用于污染废水的处理。在某种程度上,这种MDLED-TiO 2仅由微波能量驱动,不需要电线或交流电源。由于TiO 2光催化剂的活性得到增强,并且仅通过微波照射产生紫外光发射,因此MDLED-TiO 2提供了一种简单的水处理装置,如本研究所示。该数字设备由14个MDLED-TiO 2单元组成,浸入模拟污染废水中,通过微波照射废水,以节能的方式分解有机污染物并对天然细菌污染的废水进行灭菌。图形摘要
This brief article reports on the fabrication of a prototype novel semiconductor digital device, a microwave-discharge light-emitting diode (MDLED), consisting of an LED and a Schottky barrier diode encapsulated in a quartz ampoule. Coating the surface of this ampoule with TiO2yielded a new photocatalytic TiO2unit (MDLED-TiO2) for use in treating contaminated wastewaters. To the extent that this MDLED-TiO2is driven only by microwave energy, there is no need for electric wires or electrical AC power. As much of the activity of TiO2photocatalyst is enhanced and ultraviolet light emission is generated only by irradiating with microwaves, the MDLED-TiO2affords a simple water treatment device as demonstrated in the present study. The digital device consisted of 14 pieces of MDLED-TiO2units immersed into a model contaminated wastewater toward the decomposition of organic pollutants and sterilization of natural bacteria-contaminated wastewaters performed in an energy-saving manner simply by irradiating the wastewaters with microwaves.Graphical abstract
DOI: 10.1007/s43630-020-00006-6
发表时间: 2021-01
影响因子: 3.1
作者:
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影响因子: 3.1
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