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The characteristics of pentacene/perylene derivatives based organic solar cells are investigated in this thesis Donor and acceptor layers are pentacene and N N'-dioctyl-3 4 9 10-perylenetetracarboxylic diimide (PTCDI-2~13C) respectively Twelve organic solar cells with pentacene/PTCDI-2~13C heterojunctions were fabricated to study the influence of various alkylic perylene derivatives on the power conversion efficiency Under the sunlight simulator with AM1 5G filter and 100 mW/cm2 the solar cell of pentacene/PTCDI-7C heterojunction with cathode of Ag/Al bilayer has the best performance among the devices with pentacene/PTCDI-2~13C heterojunctions In PL spectrum analyses the pentacene/PTCDI-7C film had lower recombination rate than the other pentacene/PTCDI-2~13C films; therefore more excitons could reach the P/N junction and enhance short-circuit current Furthermore the PTCDI-7C film grown on the surface of penatcene was more matched than other PTCDI films analyzed by the PL peak shifts of 10 nm and 45 nm thick PTCDI-2~13C and images of atomic force microscope More lattice match between the films of pentacene and PTCDI resulted in fewer defects in P/N junction and more carries can reach electrodes Accordingly the power conversion efficiency approach 2% was obtained from the solar cell with the active layer of pentacene/PTCDI-7C

本研究探讨以五环素/骈苯衍生物异质接面太阳能电池之特性，利用pentacene作为电子施体有机材料，PTCDI -2C~13C作为电子受体有机材料，制作出异质接面为pentacene/ PTCDI-2C ~13C等12种有机太阳能电池，比较不同碳数的骈苯衍生物对於有机太阳能电池之光电转换效率之影响。在AM1 5G、100 mW/cm2的模拟太阳光下，以pentacene/PTCDI-7C异质接面太阳能电池具有短路电流9 882 mA/cm2、开路电压0 376 V、填充因数0 523及光电转换效率达1 945%，皆比其他pentacene/PTCDI-2C ~13C异质接面太阳能电池来的大。由薄膜分析可知PTCDI-7C在这12种太阳能电池中具有较低的电子电洞复合发光效率，可以让较多激子到达异质接面进行电荷分离，减少电子电洞对复合发光的机率；此外，由光激发萤光光谱之峰值位移配合原子力显微镜表面结构图，可以得知当PTCDI-7C成长在pentacene上时会顺著pentacene的结构成长薄膜，故较无缺陷产生在P/N接面处；而在其他结构下则无此现象产生，致使在pentacene/PTCDI-7C薄膜中的载子有较大的机会可以移动至电极，使光电流提高，进而使光电转换效率提高。

The returner's partner should move depending on the return. With a good return, try to cross diagonally and cut the angle off. With a bad return move toward the "T" at the service line to defend against the opponent's volleys.

接发球者的搭挡需根据接发球来决定如何移位，面对好的接发球，应积极向斜前方上前抢截；面对不好的接发球，则应往中央"T"移位，协助防守对手的抢截

Tembo the elephant has sent me to fetch you to the waterhole.

Tembo 象已经将我派遣到对 waterhole 接来你。

Now, we often hear how we're all too busy, too geographically dispersed, too careerist, too selfish, too something to move an elderly parent into our households.

现在，我们经常会听到我们是多么得忙，没时间和家人团聚，野心太大，过于自私，有太多的事要处理以至于不能把年迈的父母接来和自己同住。

Do the person most propbably that travel optimizes this piece to know, the major Seoer of Yunnan and Guilin generation is inobservant game is regular, become a link through considering a few children to seek a person, link these again later secretly cancel, will gain the weight of the website with this, I am not willing to exchange a link with them all the time, more distain their practice, before I take over a bill, there is the link that a Guilin travels on the station, used a tool to check, sure, also did not delete this link all the time so, a few examinations later also did not appear any circumstance, when the key word rank that discussing me with the friend in the evening often beats, the friend says this station link is too much, then while you're at it is moved open website of the other side, examined source code chronically, was stupefied immediately, check scheme comes down to look to everybody

做旅游这块优化的人想必都知道，云南和桂林一代的大部分seoer都不遵守游戏规则，经过顾一些小孩来找人做链接，之后又将这些链接偷偷撤销，以此来获得网站的权重，我一直都不愿意跟他们交换链接，更不屑他们的做法，在我接手一个单子之前，站上有一个桂林旅游的链接，用工具检查了下，没问题，所以也一直没有删除这个链接，后来的几次检查也没有出现任何的情况，晚上在跟朋友讨论我的关键字排名老是跳动的时候，朋友说这个站链接太多，于是就手动打开对方网站，习惯性的查看了源代码，立马惊呆了，截图下来给大家看看

On this SubPanel you can select the Link to edit or delete.

在这个子面板上，你可以选择链接来编辑或者删除。

The company will also be able to see how many people view the four-minute feature using links supplied by others - a gauge of word-of-mouth impact.

公司还能看出，有多少人使用他人提供的链接来观看那部4分钟广告片，这是衡量口头广告影响力的一个指标。

After bringing her own teenage daughter from China to the United States, she found that it has been awfully hard for these long-parted females to live again under the same roof peacefully.

在高兴接来自己十几岁的女儿之后，发现女儿已经不再是小时候的她，并在平时生活和事情上处处和她做对。

Includes robot tags to tell search engines when and how to spider your Web site.

包括自动机械链接来告诉搜索引擎什么时候和怎样设计你的网站。

Two Catchers Meet: The catcher of the flowers and the catcher of the garter belt meet together.

两位分别接住花束和吊袜带的男孩女孩会面：接住新娘抛来的花束的女孩和接住新郎抛来的吊袜带的男孩会面。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷