外文翻译--纳米结构_bi2s3的制备及其发光特性(编辑修改稿)

外文翻译--纳米结构_bi2s3的制备及其发光特性(编辑修改稿)内容摘要：

testings the fluorescence spectrum of sample under the indoor temperature for the Xe lamp. 2. Result and discussion XRD of oute is analytical Figure 1 is two water thermal law and onestep water thermal law ine oute of XRD 1 amid of table wire 1 and table wire 2 difference be thermal for two water law and onestep water thermal law ine oute of XRD can the beacon change into the quadrature phase Bi2S3.(JCPDF, – 0333)The reaction temperature of two water thermal law responds for 100℃ , onestep water thermal law carrying on under 150℃ .From figure 1 amid can discover:Onestep water thermal law39。 s gaining the Yan of oute to shoot peak intensity is higher than two water thermal the law gain a temperature exaltation, the Yan of sample shoots peak enhancement, the quasi peak breadth narrows down, this instruction with respond temperature scale up, oute crystal exaltation for turning a degree. Xray diffraction (XRD) patterns of the products prepared via the twostep hydrothermal method and the onestep hydrothermal method The Bi2 S3 micron annular bees mechanism analysis Forming mechanism of by way of to Bi2S3 micron ring progress quest, made use of FESEM and TEM to observe square one water thermal system of the facial look and structure of the forerunner 2 is the FESEM and TEM photograph of Bi2S3 micron ring forerunner the figure 2 as it is thus clear that:Forerunner thing from a great deal of biscuitlike in shape circle slab position, it unipole the diameter of the biscuitlike in shape circle slab is about 1~2 μ ms, thickness is 300~500 Gao Bei39。 s FESEM photograph can observe a forerunner thing further of circular biscuitlike in shape structure.(see figure 2b) The illustration of left bottom corner is a forerunner thing side view in the figure 2b of high double FESEM photograph, can discover circular biscuit from a lot of Na rice circle slab rule earth the overlay apply together but forming of several structure, Na rice circle the slab is very thin, thickness for 25~50 TEM photograph of Bi2 S3 micron ring forerunner thing further recognizes that the forerunner thing presents a solid form, the diameter is about 2 μ m.(see figure 2 cs)Contrast figure 2 can discover:End oute Bi2S3 and forerunner thing the fundamental kept consistent on the diameter and the thickness. FESEM and TEM photographs of the precursors of Bi2S3 Figure 3 for predict according to the abovementioned result of the possible forming process of the vulcanized bismuth micron ring diagrammatic , Bi(NO3)3 enter water solution to receive a biscuitlike in shape forerunner thing in 100 ℃ water thermal , the sulfur ion ahead gets rid of an outside layer of thing surface and bismuth ion the reaction forming Bi2S3 with the progress for responding, the thickness of Bi2 S3 housingses enlarges gradually, inside the forerunner thing of the layer pit continuously the sulfur ion in the solution is that the quantity isn39。 t enough, responds progress after a period of time the thickness of the Bi2 S3 housingses will because of sulfur ionic scarcity but stop enlarging, have to arrive hard forerunner like this the thing check –Bi2 S3 housing form , check the forerunner thing that hasn39。 t responded plete to resolve with the sparse sulfuric acid aqueous solution of 2 mol/L, forminged Bi2 S3 micron ring. Schematic illustration for the formation of Bi2S3 Microring The luminescence of the Na rice structure Bi2 S3 The size, facial look and crystalline degree etc. of Na rice material will effect the luminescence quality of material to some extent.[11–12] Bi2S3 micron rings and Na rice are good to measure while stiring up the wavelength as 325 nms of fluorescence discover:2 kinds of outes all have more apparent fluorescence luminescence peak, the Bi2S3 micron ring luminescence peak is located in a 447 nm, the luminescence peak of the Na rice rod form Bi2S3 is located in a 470 nm, the Bi2S3 micron ring luminescence peak is pared to a Na rice rod the luminescence peak of the form Bi2S3 obviously took place blue to may be。