功能材料
功能材料
공능재료
JOURNAL OF FUNCTIONAL MATERIALS
2012年
18期
2564-2567
,共4页
许静%傅亚%原金海%刘德蓉%田敉%王月
許靜%傅亞%原金海%劉德蓉%田敉%王月
허정%부아%원금해%류덕용%전미%왕월
Ba3V2O8∶Eu3+纳米花%复合氢氧化物媒介法%制备%光致发光
Ba3V2O8∶Eu3+納米花%複閤氫氧化物媒介法%製備%光緻髮光
Ba3V2O8∶Eu3+납미화%복합경양화물매개법%제비%광치발광
Ba3V2O8∶Eu3+ nanoflowers%composite-hydroxide-mediated method%synthesis%photoluminescence property
采用复合氢氧化物媒介法制备了Ba3V2O8∶Eu3＋纳米花。利用SEM-EDS、XRD、TEM和XPS对晶体的形貌和尺寸、结构和化学组成进行了表征。结果表明产物是由厚度约20nm的纳米片组成的花状Ba3V2O8∶Eu3＋纳米晶体。荧光光谱测定发现Ba3V2O8∶Eu3＋晶体在紫外光和蓝光激发下都能产生591和612nm 2个强发射峰,表明其具有将紫外光和蓝光转换成红光的能力,可以进一步应用于光转换和光发射领域。探讨了Ba3V2O8∶Eu3＋纳米花的发光机理。
採用複閤氫氧化物媒介法製備瞭Ba3V2O8∶Eu3＋納米花。利用SEM-EDS、XRD、TEM和XPS對晶體的形貌和呎吋、結構和化學組成進行瞭錶徵。結果錶明產物是由厚度約20nm的納米片組成的花狀Ba3V2O8∶Eu3＋納米晶體。熒光光譜測定髮現Ba3V2O8∶Eu3＋晶體在紫外光和藍光激髮下都能產生591和612nm 2箇彊髮射峰,錶明其具有將紫外光和藍光轉換成紅光的能力,可以進一步應用于光轉換和光髮射領域。探討瞭Ba3V2O8∶Eu3＋納米花的髮光機理。
채용복합경양화물매개법제비료Ba3V2O8∶Eu3＋납미화。이용SEM-EDS、XRD、TEM화XPS대정체적형모화척촌、결구화화학조성진행료표정。결과표명산물시유후도약20nm적납미편조성적화상Ba3V2O8∶Eu3＋납미정체。형광광보측정발현Ba3V2O8∶Eu3＋정체재자외광화람광격발하도능산생591화612nm 2개강발사봉,표명기구유장자외광화람광전환성홍광적능력,가이진일보응용우광전환화광발사영역。탐토료Ba3V2O8∶Eu3＋납미화적발광궤리。
Ba3V2O8∶Eu3＋ nanoflowers were obtained by the composite hydroxide mediated（CHM） method.Scan electron microscope and transmission electron microscope displayed that the flower-shaped crystals were composed of nanosheets with thickness of about 20nm.Photoluminescence spectrum of the Ba3V2O8∶Eu3＋ nanoflowers exhibited red emission centered at 591 and 612nm,which showed function of red light conversion.The mechanism of light emission of the Ba3V2O8∶Eu3＋ nanoflowers was discussed.
