Chapter 234: Digging corners in front of me

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During the break after dinner, Xu Qiu made a voice call to Han Jiaying.
The two of them were you and me for a while, and Xu Qiu faintly heard the senior sister’s voice "%￥#狗@", so he turned the topic to business:
"I made a batch of devices today, and they have all tested them this afternoon."
"Um..." Han Jiaying asked expectantly: "Then how efficient is my device?"
"Guess." Xu Qiu smiled lightly.
"Bad brother," Han Jiaying snorted, unsure, "it should be more than 1%..."
"Congratulations, you guessed it right, the highest..." Xu Qiu paused for a while, "4.4%!"
"Wow, it's so high!" Han Jiaying shouted excitedly, and then reacted, "Didn't you say it's good for me to guess? Why tell me directly."
"It's a reward for guessing it right," Xu Qiu said casually.
"Well," Han Jiaying didn't worry too much, and asked for advice: "Then I will follow your path to do the second generation of 3D-PDI for fusion?" Xu Qiu only took two of her products yesterday. 15 mg, more than 30 mg remained in Zhang Jiang.
"Well, the previous TRPL results show that fused cyclization will increase the efficiency of exciton resolution, which is beneficial to improve the performance of the device. It may be a general modification method for the 3D-PDI series, but not all systems can be fused. of……"
Han Jiaying interjected: "In my system, the external thiophene ring can theoretically form a fused ring structure with the bay position of PDI. I have analyzed it specially before."
"The analysis is indeed correct, but it may be difficult for your system to catalyze the photocyclization reaction with iodine, and the experimental conditions need to be changed."
"So, let me check the literature."
"I have found the documentation for you, and I will send it to your mailbox."
"Really, brother is really reliable~"
"It's nothing more than a hand," Xu Qiu said modestly, and then said: "The specific conditions are to use ferric chloride and nitromethane as a catalyst, toluene as a solvent, and react at room temperature. I bought nitromethane before and put it in explosion-proof. The reagent cabinet is unstable and there is a risk of explosion, which is more dangerous. Pay attention to it when using it. It is best to read the MSDS instructions first."
"Okay, I remember."
"By the way, my three products are not bad."
"Senior brother's three products, I have separated and purified them, and the yield is about 70%. Do you want to proceed to the next step?"
"Leave about 20 mg of each, which will be used for various characterizations later. All the rest is thrown away. The next step is the nitration reaction is not difficult. Just be careful when using fuming nitric acid."
"Hmm."
...
In the evening, Xu Qiu did not continue to make the second batch of devices. The data obtained this time was sufficient for the time being. He planned to wait for his third-generation 68 series products and the second-generation products of Xuemei. Do several batches of devices at once.
During the daytime evaporation, Xu Qiu had already completed the part of the review he was responsible for. At night, Chen Wanqing and Han Jiaying also emailed the part they were responsible for, so he temporarily put aside other things and started to integrate the review. The third part, so that when he discusses with Teacher Tang tomorrow, he can show Teacher Tang a more complete version.
After copying the content of the two seniors and seniors into the template, Xu Qiu saw the number of pages under WORD and couldn't help but smashed his tongue, "There are 42 pages, but fortunately I was witty and brought two helpers. , Or I’m the only one, it’s really exhausting."
Shaking his head, Xu Qiu got rid of the distracting thoughts in his heart and quickly entered the working state, his hands flapping like clever butterflies.
I don't know how long it took, Wei Xingsi's voice suddenly rang in his ears:
"how is it?"
"Huh?" Xu Qiu didn't react, and asked subconsciously.
"How did the device do today?" Wei Xingsi explained patiently in a gentle tone.
"Device..." Xu Qiu pondered for a while, and decided that his system should remain as usual, so that the school girls don't have to. "My system has a maximum of 5.5% and Han Jiaying's has a maximum of 4.4%."
"Yes," Wei Xingsi nodded in satisfaction, glanced at Xu Qiu's computer screen, and added, "Don't forget to discuss with Teacher Tang tomorrow afternoon."
Xu Qiu shook his head, was interrupted by abruptness, and had to concentrate again before he could enter the working state.
But staying at the Handan campus and working under the nose of the boss, there is no other way.
Two hours later.
"Finally finished." Xu Qiuchang exhaled and glanced at the time at the bottom right of the computer. His hands stretched staggered, and there was a sound at the bone joints, and he muttered to himself:
‘The integration is easier than expected. It seems that the time spent discussing with them in Zhang Jiang has not been wasted. ’
'Now the most troublesome second and third parts have been completed, and there is still the introduction of the first part and the conclusion and prospects of the fourth part. The two parts have been written almost when the summary plan was written, and only need to be based on the current Just fine-tune the text. ’
‘In this way, I should be able to write this review and vote this week, which is not bad. ’
Turning off the computer, Xu Qiu went to the laboratory and chatted a few words with other people. Then he packed his schoolbags and walked slowly to the school bus stop.
His time card was just right, arriving almost at the same time as the last school bus, Han Jiaying and Chen Wanqing got off one after another.
Under the street lamp, a couple...
Xu Qiu actively asked: "Sister, your C4 molecule is synthesized, do you need me to help you make the device?" In the previous division of labor, he was mainly responsible for making the device.
"I'll do it myself," Chen Wanqing shook her head and refused. "The original design path is likely to be problematic. Even if I stay in Zhangjiang and synthesize C2 and C3, it doesn't make much sense. It's better to test the performance of C4 personally. Once you get the results, you can make future plans earlier."
"That's okay." Xu Qiu nodded, and copied the C4 product from the senior sister and arranged it to the simulation laboratory, which was regarded as an insurance for her.
"Well, it really doesn't work. Just listen to your opinion and try to introduce cyano and fluorine atoms." Chen Wanqing paused, "Actually, I am more optimistic about this direction."
...
The next day, Thursday.
Xu Qiu got the results of the device performance of the senior sister C4 system, and the highest efficiency was 1.42%.
Because the experimental initial conditions used in the C4 system this time are based on the C1 system, unlike the PDI system used in the C1 system, the degree of data distortion will not be too high.
In this case, the efficiency value is only 1.42%, indicating that the potential of the system designed by the school sister is indeed very limited.
Today, only Han Jiaying came to Zhangjiang to synthesize, and she was responsible for five reactions in total. Xu Qiu's three and her own two, the pressure was still quite high.
Xu Qiu intends to devote all of his time to the review. Sitting at his desk, he glanced at Chen Wanqing who was busy preparing solutions in the laboratory and thought to himself.
Do you want to tell her the result?
Forget it, you can't just tell her "Sister, your device efficiency is at most 1.5%".
Sister-in-law would definitely not stop the experiment just because she said a word, but she would think that I was cursing her.
It's like stabbing a knife, suddenly the white knife goes in and the red knife goes out, it's easy, insert it in, stir it, and it will be painful.
Doesn't seem appropriate...?
In any case, it is better not to interfere.
At two o'clock in the afternoon, Tang Yunkun arrived on time. Teacher Wei received him in the office and then called Xu Qiu over.
Tang Yunkun was sitting on the hospitality sofa drinking tea. After seeing Xu Qiu, he smiled and said hello.
Xu Qiu also responded politely, and then looked at Teacher Tang secretly. It was different from what he imagined. Tang Yunkun was white and fat, and his clothes were loosely supported by his body. His weight was 180+ visually, and his height was 170-. Once I saw a professor with such an unbalanced body in school.
Teacher Wei had already confessed to Teacher Tang before, so Tang Yunkun did not delay and went directly to the subject, "Shall we start?"
"Okay." Xu Qiu copied the summary draft file to the big computer and briefly explained the writing ideas.
Tang Yunkun nodded as he listened, and at the end, he said, "I roughly understand it. Let me add some theoretical aspects of organic photovoltaics, right?"
"Right," Teacher Wei answered, "write as much as possible, and put up the theory you are working on recently."
"That won't work," Tang Yunkun shook his head, "We are still counting on this theory to post a PRL."
Xu Qiu was surprised that PRL is the top issue in physics. Although its impact factor is not high, less than 10, its status is similar to JACS in chemistry, German application, and AM and EES in materials.
"Ha ha."
"Ha ha."
The two teachers laughed one after another, and Xu Qiu seemed to understand something.
After that, Tang Yunkun stopped talking, turned his attention to the big computer, operated the keyboard, and started typing.
Xu Qiu sat next to him, slightly surprised. He thought that Teacher Tang would go back to write after the discussion, but he didn't expect it to be in this way.
But after thinking about it, this is reasonable. On the one hand, it is easier to communicate when writing in person. On the other hand, maybe it is because Mr. Wei is thinking about preventing the leakage of the manuscript?
Not long after, a paragraph appeared on the computer screen.
"We want to point out the importance of excited state theory in non-fullerene organic solar cells, (attributive clause) an appropriate model is what we must consider..."
"A widespread question-what does the electronic structure of the excited state look like?"
"Regarding the dissociation state of excitons, the generally accepted theory states that excitons are generated locally, followed by an ultra-fast charge transfer process..."
"The subsequent charge separation is caused by the delocalization of the electron wave function and the entropy increase effect caused by a large number of charge separation states in the acceptor molecular structure..."
Xu Qiu secretly sighed that it was worthy of being theoretical, and his words were crooked and very obscure, but he could still understand it on the whole, after all, the literature this year was not for nothing.
Tang Yunkun suddenly asked: "In material articles, how do you describe the transition state of exciton splitting?" Even for theoretical research in the same field, the expression of the physical direction and the expression of the material direction will be slightly different.
"CTstate." Xu Qiu replied subconsciously, and then realized that Teacher Tang seemed to be communicating with Teacher Wei.
"Wei Xingsi, you are a good student." Tang Yunkun tapped the keyboard several times.
"That's not right," Wei Xingsi said triumphantly: "I didn't tell you before. Xu Qiu now has an AM and AEM. It seems that there are two second-division articles, and he is only a senior this semester."
"Awesome," Tang Yunkun's fat face turned towards Xu Qiu~EbookFREE.me~ and squeezed a smiley face, "Young man, how about a theory with me?"
"I even dig a corner in front of me," Wei Xingsi scolded with a smile, "After Xu Qiu, he will come to my side to blog directly. Write your article well."
Tang Yunkun smiled, did not answer any more, and once again focused on the computer screen.
After such an episode, Tang Yunkun and Xu Qiu's exchanges increased a lot.
Next, it was mainly Teacher Tang's code word, and occasionally asked some questions, Xu Qiu. answer;
Similarly, when Xu Qiu encountered unfamiliar theoretical knowledge, he would also take the initiative to put it forward. Tang Yunkun answered patiently and also attached relevant references.
In the end, the two discussed the whole afternoon, adding three paragraphs in total, several hundred words, and the content of the summary was much richer.
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