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Another possibility of carboxymethyl chitosan: a ¡®sunshine¡¯ reductant for the gold nanoparticles with high stability Author: YI LONG, WUDE YANG, XU YI, DAOMIN LU, SHUOSHI WANG Optoelectronics and Advanced Materials-Rapid Communications£¬Vol 10 ISS. 9-10 2016 |
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yeedro: ½ð±Ò+10, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2017-01-09 09:30:46
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¹§Ï²Ä㣬Òѱ»¼ìË÷ Another possibility of carboxymethyl chitosan: a 'sunshine' reductant for the gold nanoparticles with high stability ×÷Õß:Long, Y (Long, Yi)[ 1 ] ; Yang, WD (Yang, Wude)[ 2 ] ; Yi, X (Yi, Xu)[ 1 ] ; Lu, DM (Lu, Daomin)[ 1 ] ; Wang, SS (Wang, Shuoshi)[ 1 ] OPTOELECTRONICS AND ADVANCED MATERIALS-RAPID COMMUNICATIONS ¾í: 10 ÆÚ: 9-10 Ò³: 744-747 ³ö°æÄê: SEP-OCT 2016 ²é¿´ÆÚ¿¯ÐÅÏ¢ ÕªÒª In this research, carboxymethyl chitosan and solar light were used to prepare gold nanoparticles. After being irradiated by solar light, a characteristic peak of gold nanoparticle can be found in UV-visible absorption spectrum of the aqueous solution of carboxymethyl chitosan and HAuCl4. Most particles prepared by this method were around 20 nm in size. It was proved that the resultants were polycrystalline nanoparticles rather than amorphous nanocomposites by X-ray diffraction analyse and selected area electron diffraction experiment. The gold nanoparticles prepared by this method were stable even in high salinity solution. It was conjectured that the carboxyl group of carboxymethyl chitosan may be the reason of reducibility. ¹Ø¼ü´Ê ×÷Õ߹ؼü´Ê:Carboxymethyl chitosan; Gold nanoparticles; Solar light; Green synthesis KeyWords Plus:SILVER METAL-FILMS; GREEN SYNTHESIS; SUNLIGHT; MATRIX ×÷ÕßÐÅÏ¢ ͨѶ×÷ÕßµØÖ·: Long, Y; Yang, WD (ͨѶ×÷Õß) Guiyang Coll Tradit Chinese Med, Cent Lab, Affiliated Hosp 2, 83 Feishan St, Guiyang, Guizhou, Peoples R China. ͨѶ×÷ÕßµØÖ·: Yang, WD (ͨѶ×÷Õß) Guiyang Coll Tradit Chinese Med, Coll Med, Lab Plant Chem, 50 Shidong Rd, Guiyang, Guizhou, Peoples R China. µØÖ·: [ 1 ] Guiyang Coll Tradit Chinese Med, Cent Lab, Affiliated Hosp 2, 83 Feishan St, Guiyang, Guizhou, Peoples R China [ 2 ] Guiyang Coll Tradit Chinese Med, Coll Med, Lab Plant Chem, 50 Shidong Rd, Guiyang, Guizhou, Peoples R China µç×ÓÓʼþµØÖ·:nklongyi@aliyun.com; ywd_680708@sina.com »ù½ð×ÊÖúÖÂл »ù½ð×ÊÖú»ú¹¹ ÊÚȨºÅ Science and Technology Fund of Guizhou Province [2014] 2029 ²é¿´»ù½ð×ÊÖúÐÅÏ¢ ³ö°æÉÌ NATL INST OPTOELECTRONICS, 1 ATOMISTILOR ST, PO BOX MG-5, BUCHAREST-MAGURELE 76900, ROMANIA Àà±ð / ·ÖÀà Ñо¿·½Ïò:Materials Science; Optics Web of Science Àà±ð:Materials Science, Multidisciplinary; Optics ÎÄÏ×ÐÅÏ¢ ÎÄÏ×ÀàÐÍ:Article ÓïÖÖ:English Èë²ØºÅ: WOS:000389728800025 ISSN: 1842-6573 eISSN: 2065-3824 ÆÚ¿¯ÐÅÏ¢ Impact Factor (Ó°ÏìÒò×Ó): Journal Citation Reports® ÆäËûÐÅÏ¢ IDS ºÅ: EE6NF Web of Science ºËÐĺϼ¯ÖÐµÄ "ÒýÓõIJο¼ÎÄÏ×": 20 Web of Science ºËÐĺϼ¯ÖÐµÄ "±»ÒýƵ´Î": 0 |

2Â¥2017-01-09 09:18:44
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