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[2021] [Áß±¹] ¼öÁß ¿À¿°¹°Áú Á¦°Å 'Á¦Æ® ½ºÅ´(Z-scheme)' ±¤Ã˸Š°³¹ß
À̸§ °ü¸®ÀÚ waterindustry@hanmail.net ÀÛ¼ºÀÏ 2021.01.20 Á¶È¸¼ö 802
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[Áß±¹] ¼öÁß ¿À¿°¹°Áú Á¦°Å  'Á¦Æ® ½ºÅ´(Z-scheme)'  ±¤Ã˸Š°³¹ß

 


Áß±¹Àº ÃÖ±Ù ¸î ³â µ¿¾È, ±Þ¼ÓÇÑ »ê¾÷È­´Â Á¡Á¡ ´õ ½É°¢ÇÑ È¯°æ¿À¿°À» ¹ß»ýÇÏ°í ÀÖ´Ù. ¼öÁßÀÇ Ç×»ýÁ¦¿Í ¹Ì»ý¹° ¿À¿°Àº Àΰ£ÀÇ °Ç°­¿¡ Å« À§ÇùÀÌ µÇ¾ú°í Àü ¼¼°è »ýÅÂ°è º¸¾È¿¡ Áß´ëÇÑ À§ÇèÀÌ µÇ¾ú´Ù.


µû¶ó¼­ ÇöÀç ¹°ÀÌ ¸¹Àº ȯ°æ¿¡¼­ ¹ÚÅ׸®¾Æ ¹× Ç×»ýÁ¦ ¿À¿°À» Á¦°ÅÇϱâ À§ÇÑ È¿°úÀûÀÎ Ä¡·á ¹æ¹ýÀÌ ½Ã±ÞÇÑ °úÁ¦°¡ µÇ¾ú´Ù.


ÃÖ±Ù, ÇãÆäÀÌ ¹°¸®°úÇבּ¸¼Ò(Hefei Institutes of Physical Science) »êÇÏ Áö´ÉÇü ±â°è¿¬±¸¼Ò(the Institute of Intelligent Machines)ÀÇ ¿ìÂÄ¿º(WU Zhengyan) ±³¼ö°¡ À̲ô´Â ÆÀÀº ¹° ¼ÓÀÇ ¿À¿°¹°ÁúÀ» ó¸®Çϱâ À§ÇØ »õ·Î¿î  'Á¦Æ® ½ºÅ´(Z-scheme)' ±¤Ã˸Ÿ¦ °³¹ßÇß´Ù.


 ¡º¾ÖÇöóÀ̵å Ä«Å»¸®½Ã½º B: ȯ°æ, Àü¹®°¡(Applied Catalysis B: Environmental, Professional)¡» Àú³Î¿¡ °ÔÀçµÈ ¿¬±¸³í¹®¿¡¼­ ¿ìÂÄ¿º(WUZhengyan) ±³¼ö¿Í ±×ÀÇ ¹Ú»ç°úÁ¤ ÇлýÀÎ ¾ç ÆëÄû(Yang Pengqi)´Â  'Á¦Æ® ½ºÅ´(Z-scheme)'  ±¤Ã˸ÅÀÎ CdTe ¾çÀÚÁ¡/Bi2WO6(CTQD/BWO)¸¦ ¸¸µé±â À§ÇØ ¾î¶»°Ô ¿­¼ö¹ý(hydrothermal method)À» »ç¿ëÇß´ÂÁö ¼³¸íÇß´Ù.


¾çÀÚ È¿°ú·Î BWO¿Í CTQDÀÇ ÀÎÅÍÆäÀ̽º¿¡¼­ ÀüÇÏ Àü´ÞÀÌ ±ØÀûÀ¸·Î ÃËÁøµÊ¿¡ µû¶ó, ÀÌ ±¤Ã˸Ŵ °¡½Ã±¤¼± ¾Æ·¡ ¼ø¼ö BWO¿¡ ºñÇØ ´ëÀå±ÕÀÇ ±¤ ºñÈ°¼ºÈ­ È¿À²¼º°ú TCÀÇ ±¤ºÐÇØ È¿À²ÀÌ ÈξÀ ³ô¾Ò´Ù.


ÀÌ ¿¬±¸´Â °íÈ¿À²  'Á¦Æ® ½ºÅ´(Z-scheme)'  ±¤Ã˸Ÿ¦ ¼³°èÇÒ ¼ö ÀÖ´Â »õ·Î¿î °æ·Î¸¦ ¿­°í ½Ç¿ëÀûÀÎ ÀÀ¿ëÀ» À§ÇÑ À¯¸ÁÇÑ Àü¸ÁÀ» º¸¿©ÁØ´Ù.


ÀÌ ¿¬±¸´Â Áß±¹ÀÇ ±¹°¡ ÇÙ½É R&D ÇÁ·Î±×·¥, Áß±¹°úÇпø(The Chinese Academy of Sciences)ÀÇ °úÇÐ ¹× ±â¼ú ¼­ºñ½º ÇÁ·Î±×·¥, ´×»þ¼º(Ningxia Province)ÀÇ ÇÙ½É R&D ÇÁ·Î±×·¥ÀÇ Áö¿øÀ» ¹Þ¾Ò´Ù.

 


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Scientists Develop Z-scheme Catalyst For Contaminants In Water

 


In recent years, rapid industrialization has caused increasingly severe environmental pollution. Antibiotics and microbiological contamination in water have become major threats to human health and critical risks to ecosystem security worldwide.


Therefore, an effective treatment approach has become an urgent task for elimination of bacterial and antibiotic contamination from the watery environment at present.


Recently, a team led by Prof. WU Zhengyan from the Institute of Intelligent Machines of the Hefei Institutes of Physical Science developed a novel Z-scheme photocatalyst to deal with contaminants in water.


In a study published in the journal Applied Catalysis B: Environmental, Prof. WU and his doctoral student YANG Pengqi described how they used hydrothermal method to fabricate the Z-scheme photocatalyst, CdTe quantum dots/Bi2WO6 (CTQDs/BWO), which was designed to enhance photocatalytic efficiency.


As quantum effect dramatically promoted the transfer of charge-carriers in the interface of BWO and CTQDs, this photocatalyst exhibited much higher photoinactivation efficiency of E. coli and photodegradation efficiency of TC compared to the pure BWO under the visible light.


This study opens up a new route to design high-efficiency Z-scheme photocatalysts and exhibits a promising prospect for practical application.


This research was supported by the National Key R&D Program of China, the Science and Technology Service Program of the Chinese Academy of Sciences, and the Key R&D Program of Ningxia Province.


[Ãâó=¿öÅͿ¶óÀÎ(https://www.wateronline.com/doc/scientists-develop-z-scheme-catalyst-for-contaminants-in-water-0001) 2021³â 1¿ù 14ÀÏ]

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