光生载流子

这是由于沉积Fe3O4薄膜后，Si基片内部形成了由反型层和Si基片组成的类似p-n结结构，在激光照射下产生光生载流子。

Since the existence of this structure , a pseudo p-n junction structure consisting of the inversion layer and the Si substrate form within the Si substrate so as to the generation of photogenic charge carrier under the irradiation of laser .

这种结构使复合微粒表面缺陷和活性比表面积增加，有利于光生载流子的转移。同时，Ti/Fe复合微粒中Fe3+有利于活性·OH基团的形成。

Which increased the surface defect and the active specific surface of the TiO 2 complex particles .

设计了一种基于全内反射原理和光生载流子注入效应的X结全内反射（TIR）全光开关。

A photo-induced carriers injection effect all optical switch was designed .

TiO2纳米薄膜电极中光生载流子传输特性研究

Study on Transport Properties of Photo-generated Carriers in Nanocrystalline TiO_2 Film Electrode

TiO2光生载流子迁移过程的功效应及在光催化中的应用

The Working Effect of TiO_2 Photoinduced Carrier Transferring and Its Application in Photocatalysis

瞬态光电导谱研究Pt的负载对TiO2光生载流子寿命的影响

Effect of Platinum Loading on Lifetime of Photogenerated Charge Carriers of TiO_2 Studied by Time-resolved Photoconductivity

为了与p型的CIGS吸收层形成p-n结从而分离光生载流子，需要在其表面制备一层n型半导体薄膜。

N-type semiconductor thin film is deposited on p-type CIGS absorber layer to form p-n junction to separate light-excited carriers .

同时，Zn2+可能作为光生载流子的浅俘获中心，导致表面界面电荷转移加速，从而延长光生电子/空穴对的寿命并抑制其复合，有效地提高了TiO2薄膜光电催化活性。

It is initially thought that Zn 2 + acts as surface-interface shallow trap and favors the suppression of photogenerated electron / hole pairs .

通过荧光光谱、固体漫反射紫外-可见光谱的结果表明，C60可以促进TiO2光生载流子的有效分离，起到传输电子的作用。

The results of photoluminescence spectra , solid diffuse UV-vis spectra suggested that C60 could transfer electrons and promoted the separation of photoinduced electron-hole pairs .

在所建模型中，要求光生载流子层的等效深度要近似等于所加载Si片的厚度，以保证开关导通时较低的插入损耗。

To insure the insertion loss of the switch at its on state , the effective penetration of the optical induced carrier layer should be equal to the thickness of the Si dice in the model .

微波吸收法研究（ZnCd）S∶Cu发光材料光生载流子的衰减过程

Investigation of Decay Process of Photo-generated Carrier in the Luminescent Material ( ZnCd ) S ∶ Cu by Microwave Absorption Method

主要考察了不同焙烧温度、Zn量对TiO2晶相结构和表面结构等的影响，重点研究了Zn掺杂对纳米TiO2光生载流子的分离以及光催化性能的影响。

The influences of different calcination temperature and Zn content on the TiO2 crystal structure and surface structure were studied and the effect of Zn-doping on photoinduced charge separation and photocatalytic activity were principally investigated .

替位Ag会引入一些定域隙态，同时费米能级钉扎在价带顶，杂质态可以捕获空穴以抑制光生载流子的复合。

Substitutional Ag introduces some localized gap states , while the Fermi level is pinned near the top of valence band , and the impurity states can trap the hole to suppress the recombination of photo-generated carriers .

由于p~+区内杂质浓度的分布，在扩散区中存在十分强的自建漂移场，因而光生载流子将在自建场的作用下漂移进pn结内。

Because of the profile of doping density in p + region , there exists a very large build-in drift field in diffusion region , by which photoproduced carriers are drifted into pa junction .

重点考察了热处理温度和掺Sn量对样品表面光生载流子的分离及光催化活性的影响，并探讨了Sn使TiO2纳米粒子改性的机制。

The effects of the calcination temperature and doping Sn content on the separation of surface photoinduced charge carriers and photocatalytic activity of TiO2 nanoparticles were discussed , and the modification mechanisms of Sn were analysed .

结果表明，在适当温度处理下，适量Sn的掺入能够有效促进TiO2纳米粒子表面光生载流子的分离，以至于使其光催化活性得到显著提高。

The results showed that the appropriate content of Sn dopant could effectively promote the separation of surface photoinduced charge carrier of TiO2 nanoparticles calcined at appropriate temperature , which was responsible for the remarkable increase in photocatalytic activity .

同时光生载流子能在极短的时间内（20ps）跃迁到TiO2纳米颗粒表面，有利于电子和空穴的分离。

The carrier charges can transfer rapidly ( 20 ps ) to the titania grain surface . Accordingly , it is very beneficial to separate electrons and holes .

光电化学表征结果显示：镍离子非均匀掺杂TiO2薄膜的瞬时光电流信号较强，说明其光生载流子易于生成且分离效果较好；

The results showed that the non-uniformly doped TiO2 thin film displayed higher photocurrent compared with that of the pure one and the uniformly doped , which demonstrated that the photogenerated electron-hole pairs were effectively separated within the non-uniformly doped TiO2 thin film .

利用离子注入技术在电池表面层形成密集的垂直PN结，缩短光生载流子到达PN结的距离，提高PN结的收集效率，从而研制成一种新型的抗辐照太阳电池。

Junction in the surface layer of a solar cell by ion implantation . After the processing the distance from the light-generated carrier to the PN junction is shortened and the collection efficiency of the cell is improved . A new type anti-irradiation solar cell has been developed .

采用luckyelectron模型对器件的R-V曲线进行了拟合，结果证实器件反偏微分电阻下降的主要原因是由于pn结耗尽区光生载流子的激增，碰撞电离导致的光电倍增效应所引起。

The R-V curve of photodiode was fit by " lucky electron " model . It verifies that due to plenty of photo-generated carrier occurred in the depletion region , photocurrent multiplication induced by electron impact ionization is the primary reason of decreasing reverse-bias differential resistance .

实验上，对掺杂不同浓度的C60（C70）的PVK薄膜的光生载流子量子效率随光强的变化关系进行了测量，得到了与理论预测相一致的结果。

In experiment , the dependence of the quantum efficiency of PVK thin film doped C60 ( C70 ) of different concentration has been measured , and the result is . good agreement with the proposed theory .

但是，TiO2的禁带宽度较大，只有当波长小于387nm的紫外光激发时，才能产生电子和空穴，并且光生载流子极易复合。

But the problem with TiO2 is that , because of wide band gap , TiO2 can only be excited by the UV light of wavelength below 387 nm , and the photogenerated electrons and holes are easy to recombine .

应用格林函数方法处理了S-W效应中光生载流子随时间的变化，得出光生载流子的衰退速率和深能级有效态密度的平方成正比。

The equation of degeneration of photogenerated eletrons in S-W Effect has been get by method of filed theory . The degeneration constant is proportional to the square of effective density of states in deep level .

在PcCu蒸发膜中吸收光谱与光导作用光谱之间形状关系依赖于在表面和本体内光生载流子复合速率的比例。

The relationship between the shapes of the absorption and photoconductive spectra depends on the ratio of the photocarriers recombination rate in the surface and the bulk of the evaporated film of PcCu .

由收集长度随外电压的变化可解释电池的收集效率随外电压的变化，只有FF很差的p-i-n电池，偏置光强才影响光生载流子的收集。

The change of the collection efficiency with applied voltage can be explained by the change of the collection length with applied voltage . We have found that a bias light will only influence the collection of photogenerated carriers of a p-i-n solar cell which has very poor fill factor .

为了深入研究大孔径光导天线技术，在Drude-Lorentz理论的基础上，对光生载流子浓度的计算方法进行了改进，修正了其两个假设条件带来的误差，使之适合大孔径光导天线模拟计算。

For sake of this Drude-Lorentz theory is not suitable for large-aperture photoconductive antenna , the calculation of terahertz radiation from biased photoconductive antenna ( Drude-Lorentz theory ) is reported , and a meliorated calculation method of carriers ' density is put forward .

量子阱中光生载流子的瞬态衰减过程与发光效率

Transient decay of photoexcited carriers and photoluminescence efficiency in quantum wells

共轭聚合物薄膜中光生载流子的产生及输运机制

Mechanism of Photo carrier Generation and Transport in Conjugated Polymer

含有共轭三键共聚物中光生载流子产生机制的探讨

Mechanism of photo-carrier generation in polymer with conjugated triple bond

蓝移主要是由于光生载流子增加引起的能带弯曲效应导致的。

The blue-shift was attributed to band bending effect with the increase of photon-generated carriers .