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½º¿þµ§ ¸°¼ÎÇÎ ´ëÇб³(Linkoping University)ÀÇ À¯±âÀüÀÚ ½ÇÇè½Ç¼­ ¿¬±¸°³¹ß

 


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Áõ±â¹ß»ý±â´Â ¸°¼ÎÇÎ ´ëÇб³(Linkoping University)ÀÇ À¯±âÀüÀÚ ½ÇÇè½Ç¿¡¼­ °³¹ßµÇ¾ú´Ù.


2040³â¿¡ ¼¼°è ¾î¸°ÀÌÀÇ 4ºÐÀÇ 1ÀÌ ±ú²ýÇÏ°í ¸¶½Ç ¼ö ÀÖ´Â ¹°ÀÌ ºÎÁ·ÇÑ Áö¿ª¿¡¼­ »ì °ÍÀ¸·Î ÃßÁ¤µÈ´Ù. 


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À¯±âÀüÀÚ¿¬±¸¼Ò(Organic Electronics Laboratory)ÀÇ À¯±â³ª³ëÀüÀÚ(Organic Nanoelectronics) ±×·ìÃ¥ÀÓÀÚÀÎ ½Ã¸ó Æĺñ¾Æ³ë(Simone Fabiano) ±³¼ö´Â "Áõ±â »ý»ê ¼Óµµ´Â Á÷Á¢ ¹° Áõ¹ß ¼Óµµº¸´Ù 4¡­5¹è ºü¸£±â ¶§¹®¿¡ ´õ ¸¹Àº ¹°À» Á¤È­ ÇÒ ¼ö ÀÖ´Ù"¶ó°í ¸»Çß´Ù.


¡á ¼¿·ê·Î¿À½º ±â¹Ý(Cellulose-based)
Áõ±â¹ß»ý±â´Â ¼¿·ê·Î¿À½º ±â¹Ý ±¸Á¶¹°À» À¯±â°áÇÕ °íºÐÀÚ PEDOT·Î Àå½ÄÇÑ ¿¡¾î·ÎÁ©·Î ±¸¼ºµÈ´Ù.


ÁßÇÕü´Â ž翭, ƯÈ÷ ž翭ÀÇ ´ëºÎºÐÀÌ Àü´ÞµÇ´Â ½ºÆåÆ®·³ÀÇ Àû¿Ü¼± ºÎºÐ¿¡¼­ ¿¡³ÊÁö¸¦ Èí¼öÇÏ´Â ´É·ÂÀ» °®´Â´Ù. ¿¡¾î·ÎÁ©Àº ´Ù°ø¼º ³ª³ë ±¸Á¶¸¦ °¡Áö´Âµ¥, ÀÌ´Â ´Ù·®ÀÇ ¹°ÀÌ ±× ±â°ø¿¡ Èí¼öµÉ ¼ö ÀÖÀ½À» ÀǹÌÇÑ´Ù.


½Ã¸ó Æĺñ¾Æ³ë(Simone Fabiano) ±³¼ö´Â¡°ÀÌ ¹°ÁúÀÇ 2mm ÃþÀº ÅÂ¾ç ½ºÆåÆ®·³¿¡¼­ 99 %ÀÇ ¿¡³ÊÁö¸¦ Èí¼ö ÇÒ ¼ö ÀÖ´Ù"¶ó¸é¼­ Áõ±â ¹ß»ý±â°¡ ºÎÀ¯ »óÅ·ΠÀ¯ÁöµÇµµ·Ï, ´Ù°ø¼º ¹× ´Ü¿­¼º ºÎÀ¯ Æ÷¿òÀÌ ¶ÇÇÑ ¹°°ú ¿¡¾î·ÎÁ© »çÀÌ¿¡ À§Ä¡µÈ´Ù. žçÀÇ ¿­Àº ¹°À» Áõ¹ß½ÃÅ°´Â ¹Ý¸é ¼Ò±Ý°ú ´Ù¸¥ ¹°ÁúÀº ³²¾Æ ÀÖ´Ù"¶ó°í ¸»Çß´Ù.


¡á ³»±¸¼º ÀÖ´Â ¼ÒÀç(Durable material)
Å×·Î-ÆäÆ®¸® ·çÄÚ(Tero-Petri Ruoko)´Â¡°¿¡¾î Á©Àº ³»±¸¼ºÀÌ ¶Ù¾î³ª¼­ ¿¹¸¦ µé¾î ¼Ò±Ý¹°·Î ¼¼Ã´ÇÏ¿© Áï½Ã ´Ù½Ã »ç¿ëÇÒ ¼ö ÀÖ´Ù. ÀÌ°ÍÀº ¿©·¯¹ø ¹Ýº¹µÉ ¼ö ÀÖ´Ù"¶ó¸é¼­ "Áõ¹ßÀ» ÅëÇØ ½Ã½ºÅÛÀ» Åë°úÇÏ´Â ¹°ÀÌ °íÇ°ÁúÀÇ ½Ä¼ö°¡ µÈ´Ù"°í ¸»ÇÑ´Ù. ±×´Â À¯±â³ó ÀüÀÚ¿¬±¸¼Ò(Labor of Organic Electronics)¿¡¼­ ¹Ú»ç ÈÄ ¿¬±¸¿øÀ¸·Î È°µ¿ÇÏ°í ÀÖ´Ù.


½Ã¸ó Æĺñ¾Æ³ë(Simone Fabiano) ±³¼ö´Â¡°ÀÌ ½Ã½ºÅÛ¿¡¼­ ƯÈ÷ ÁÁÀº Á¡Àº ¸ðµç Àç·á°¡ ģȯ°æÀûÀ̶ó´Â °ÍÀÌ´Ù. ¿ì¸®´Â ȯ°æ°ú »ç¶÷¿¡ ´ëÇÑ ¿µÇâÀÌ ¸Å¿ì ÀûÀº ³ª³ë¼¿·ê·Î¿À½º(NanoCellulose)¿Í Æú¸®¸Ó¸¦ »ç¿ëÇÑ´Ù. ¿ì¸®´Â ¶ÇÇÑ ¸Å¿ì ¼Ò·®ÀÇ Àç·á¸¦ »ç¿ëÇÑ´Ù. ¿¡¾î·Î°ÖÀº 90 %ÀÇ °ø±â·Î ±¸¼ºµÈ´Ù. ¿ì¸®´Â ¿ì¸®ÀÇ °á°ú°¡ ±ú²ýÇÑ ¹°¿¡ Á¢±ÙÇÒ ¼ö ¾ø´Â ¼ö¹é¸¸ÀÇ »ç¶÷µéÀ» µµ¿ï ¼ö Àֱ⸦ ¹Ù¶õ´Ù¡±¶ó°í ¸»Çß´Ù.


¿¡¾î·Î°ÖÀº »þ¿Àº¸ ÇÑ(Shaobo Han)¿¡ ÀÇÇØ »çºñ¿¡¸£ Å©¸®½ºÇÉ(Xavier Crispin) ±³¼öÀÇ °¨µ¶ ÇÏ¿¡ À¯±âÀüÀÚ ½ÇÇè½Ç¿¡¼­ ±×ÀÇ ¹Ú»ç¿¬±¸ ÇÁ·¹ÀÓ ¿öÅ© ³»¿¡¼­ °³¹ßµÇ¾ú´Ù.


°á°ú´Â 2019³â ¡º¾îµå¹ê½º »çÀ̾ð½º(Advanced Science)¡» Àú³Î¿¡ ¹ßÇ¥µÇ¾ú´Ù.  ¹Ú»ç ÇÐÀ§¸¦ ÃëµæÇÑ ÈÄ Shaobo HanÀºÀÌ ºÐ¾ßÀÇ ¿¬±¸¸¦ °è¼ÓÇϱâ À§ÇØ Áß±¹À¸·Î µ¹¾Æ ¿Ô´Ù.


ÀÌ ¿¬±¸´Â ÁÖ·Î Å©´©Æ®¿Í ¾Ù¸®½º ¿ù·»¹ö±× Àç´Ü(Knut and Alice Wallenberg Foundation), ´õ Å×ÀÏ ¿Àºê ´õ ¼±(The Tail of the Sun) ÇÁ·ÎÁ§Æ®, ½º¿þµ§ ¿¬±¸À§¿øȸ(Swedish Research Council) ¹× ¸°¼ÎÇÎ ´ëÇб³(Linkoping University)ÀÇ Àü·«Àû ¿¬±¸ ¿µ¿ª ¾îµå¹ê½ºÆ® ÆãÅ©¼Å³Î ¸ÓƼ¾î¸®¾óÁî(Advanced Functional Materials)·ÎºÎÅÍ ÀÚ±ÝÀ» ¹Þ¾Ò´Ù.

 

 

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A Cheap Organic Steam Generator To Purify Water

 

 

 

A high-efficiency steam generator for the purification and desalination of water can be built using cheap and natural materials such as cellulose.


The steam generator has been developed at the Laboratory of Organic Electronics, Linkoping University.


It has been estimated that in 2040 a quarter of the world¡¯s children will live in regions where clean and drinkable water is lacking.


The desalination of seawater and the purification of wastewater are two possible methods to alleviate this, and researchers at Linkoping University have developed a cheap and eco-friendly steam generator to desalinate and purify water using sunlight.


The results have been published in the journal Advanced Sustainable Systems.


¡°The rate of steam production is 4-5 times higher than that of direct water evaporation, which means that we can purify more water¡±, says Associated Professor Simone Fabiano, head of the Organic Nanoelectronics group in the Laboratory of Organic Electronics.


Cellulose-based
The steam generator consists of an aerogel that contains a cellulose-based structure decorated with the organic conjugated polymer PEDOT:PSS.


The polymer has the ability to absorb the energy in sunlight, not least in the infrared part of the spectrum where much of the sun¡¯s heat is transported. The aerogel has a porous nanostructure, which means that large quantities of water can be absorbed into its pores.


¡°A 2 mm layer of this material can absorb 99% of the energy in the sun¡¯s spectrum¡±, says Simone Fabiano.


A porous and insulating floating foam is also located between the water and the aerogel, such that the steam generator is kept afloat. The heat from the sun vaporises the water, while salt and other materials remain behind.


Durable material
¡°The aerogel is durable and can be cleaned in, for example, salt water such that it can be used again immediately. This can be repeated many times. The water that passes through the system by evaporation becomes very high-quality drinking water¡±, Tero-Petri Ruoko assures us. He is postdoc in the Laboratory of Organic Electronics and one of the authors of the article.


¡°What¡¯s particularly nice about this system is that all the materials are eco-friendly ? we use nanocellulose and a polymer that has a very low impact on the environmental and people. We also use very small amounts material: the aerogel is made up of 90% air. We hope and believe that our results can help the millions of people who don¡¯t have access to clean water¡±, says Simone Fabiano.


The aerogel was developed by Shaobo Han within the framework of his doctoral studies in the Laboratory of Organic Electronics, under Professor Xavier Crispin¢¥s supervision.


The result was presented in the journal Advanced Science in 2019, and is described at the link below. After taking his doctoral degree, Shaobo Han has returned to China to continue research in the field.


The research has received funding principally from the Knut and Alice Wallenberg Foundation, the Tail of the Sun project, the Swedish Research Council, and the strategic research area Advanced Functional Materials at Linkoping University.


Cellulose-conducting polymer aerogels for efficient solar steam generation, Shaobo Han, Tero-Petri Ruoko, Johannes Gladisch, Johan Erlandsson, Lars Wa?gberg, Xavier Crispin and Simone Fabiano. Advanced Sustainable Systems 2020, DOI 10.1002/adsu.202000004

 

 [Ãâó=¿öÅͿ¶óÀÎ(https://www.wateronline.com/doc/a-cheap-organic-steam-generator-to-purify-water-0001) / 2020³â 4¿ù 20ÀÏ]

 

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