| 1. | Compared with the composite of porous silicon and dbo - ppv , the peak of pl of porous silicon showed a blue shift
多孔硅与dbo ppv复合后，使多孔硅的一个发光峰发生蓝移。 |
| 2. | Further study showed that quanta size effect is the reason of ultraviolet absorption and blue shift of absorption peak
分析认为纳米氧化锌的量子尺寸效应既是其吸收紫外线的主要原因，也是其紫外吸收峰蓝移的主要原因。 |
| 3. | The nanometer effect of the pores , which increased surface area and caused the failure of conglomeration of dbo - ppv polymer , can lead to the 90nm blue shift of the pl peaks of dbo - ppv
这一结果确认了多孔硅的跃迁过程主要是由量子限制效应决定，复合过程受表面态影响。 |
| 4. | When the - 3 - particle size was small , the aberration of crystal lattice appeared and the bandgap energy increased , which resulted in the blue shift of absorption in the spectrum
本研究中小的二氧化钛晶粒导致了tio _ 2的晶格畸变，进而增大了tio _ 2的禁带宽度，表现在光吸收谱的蓝移。 |
| 5. | The uv - vis absorption spectra of pbs nanoparticles exhibit a blue shift in the absorption edges of the samples compared with that of bulk pbs , indicating the quantum size effect of pbs nanoparticles
Pbs纳米粒子的紫外吸收带边与其体相材料相比发生了蓝移，表现出明显的量子尺寸效应。 |
| 6. | Similarly , in the spectrum of a star moving towards us , the characteristics lines would show a “ blue shift ” , i . e . , they would be displaced towards the blue end of the spectrum , corresponding to shorter wavelengths and higher frequencies
同样，在向我们靠近的恒星的光谱上，特征谱线会显示“蓝移” ，即谱线移向蓝端，就是说波长短而频率高。 |
| 7. | Compared with micro - sized y2o3 : eu and gd2o3 : eu phosphors prepared by a conventional method , nanosized y2o3 : eu and gd2o3 : eu synthesized by the present work , gives a clear blue shift in the emission spectrum , and a clear red shift in the excitation spectrum
同时，发现了纳米晶一些新奇的发光性质，即：发射光谱蓝移现象，激发光谱红移中电荷迁移带( ctb )明显红移，猝灭浓度提高等。 |
| 8. | Nanoparticles show significant quantum - size effect ( such as energy band discreteness , band gap broadening , blue shift in spectra etc . ) as sizes of particles are smaller than bohr radis of exciton of bulk material with same composition ( for example , cds ’ s bohr radium is 6nm )
当纳米粒子的尺寸小于其块状材料的激子波尔半径时(如cds的激子波尔半径为6nm ) ,能够表现出明显的量子尺寸效应(如能带离散,禁带变宽,光谱蓝移等) 。 |
| 9. | The blue shift could be associated with precipitation of xe gas bubbles . since the precipitation will change the defect morphology and reduce the sizes of each isolated defects , so to intensify the quantum size effects of nano - particles and induce the observed band gap broadening
10 ~ ( 17 ) cm ~ ( - 2 )样品峰位蓝移，是由于xe以气泡形式析出，改变了缺陷形态、使缺陷的分立尺寸减小，纳米粒子的量子尺寸效应变得明显，导致能隙展宽。 |
| 10. | From absorption spectra and the second - order derivative spectra , three absorption speaks of excitons were clearly resolved . at the same time , the first exciton absorption peak got stronger with decreasing nanocrystals size . blue shifts due to quantum confinement were observed obviously
纳晶吸收谱及二次微分谱的测量结果表明，纳晶在室温出现了三个激子吸收峰，第一激子吸收峰随纳晶半径减小而增强，同时清楚地观察到纳晶受限导致的光谱蓝移。 |
