Chapter 219: Surprised or not surprised

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Because today is most likely to be the last class meeting during the undergraduate course, the counselor Yu Qiang is very keen to talk.
He started at 5:30 and talked for almost half an hour, and he hadn't finished the first thing.
‘Look at him like this, this class will have to run for two hours. Xu Qiu shook his head and thought to himself.
‘Fortunately, I have the foresight. I left a while early, settled the dinner in advance, and brought my computer with me, so I could write a review. ’
Tao Yan was sitting next to Xu Qiu with a blank eye. He saw him take out the computer and opened a WORD document, and asked casually: "Are you writing an article again?"
Xu Qiu said, "It's a review. I wrote it together with the two senior sisters who are organic in the group."
Tao Yan glanced at the computer screen for a few moments, then turned his gaze back, propped his head with both hands, and lay on the table weakly, saying, "When will the class meeting be over, Yu Qiang doesn't say anything about it, just talk nonsense."
Xu Qiu saw his state and guessed something, "Did you not eat dinner?"
"Yeah," Tao Yan seemed to open the chatterbox and complained, "I paddled the whole afternoon this afternoon, but before I got off work, my boss ran over to arrange work for me, and I hurriedly finished my work. It's almost half past five, there is no time to eat, hey, if Yu Qiang takes another ten minutes, I will leave without finishing the first thing."
ten minutes later.
"I slipped."
"Well, if there is anything important, I will let you know on WeChat."
The two of them were seated at the back, and Tao Yan quietly left through the back door while Yu Qiang turned his head.
Tao Yan's departure did not cause any disturbances, and the class would continue as usual.
In the end, the entire class meeting lasted for two and a half hours before it finally ended.
There are indeed no important matters. Some important matters have been notified by Yu Qiang in the email before.
Today is not so much a class meeting, but some life advice from the counselor. Compared with the counselor who is a graduate student, the life experience of this forty-year-old college teacher is richer and more knowledgeable.
For the students who are about to leave the ivory tower, it still has a little bit of use.
...
Xu Qiu packed up the computer and returned to Caiyi 216 again.
The device prepared by the senior sister has been completed, and she is testing it now.
However, looking at her expression, it doesn't seem to go well.
Sure enough, as soon as he put down his schoolbag, he heard the senior sister's complaint, "Hey, my batch of devices still doesn't work."
"How efficient is it?" Xu Qiu heard this and walked into the laboratory quickly. He was more concerned about his data, whether it reached about 4%.
"My C1 system currently has a maximum efficiency of 0.91%. I will help you test one of your system, and the efficiency is 3.58%." Chen Wanqing looked lacking in interest, "I will take a few more of C1, if it has not exceeded 1 %, I won’t test the rest."
"Well, did you think about how to optimize next?" Xu Qiu asked. The results of this experiment are normal. At least it shows that there is no problem with this batch of devices, but the upper limit of the material is there.
"I thought about it," Chen Wanqing nodded, "I plan to make C2, C3, and C4 based on the structure of C1, but now that C1 has only started less than 1%, I feel a little bit confused."
"Hmm..." Xu Qiu groaned and began to think.
In the future, he will have a high probability of doing the A-D-A system. Now helping the senior is helping himself, but before focusing on the PDI system, now the senior is a new system, and he has to go through the relevant literature again.
No matter, the greater the ability, the greater the responsibility. Thinking of this, Xu Qiu said: "I have time to analyze and analyze for you and see if there are any good ways to improve it."
"Really, that's great." Chen Wanqing smiled. Thinking back to the articles published before, there are more or less shadows of Xu Qiu. Hearing what the younger brother said, she immediately felt relieved.
Immediately, she tilted her head, "By the way, that review, my part has been written."
"So fast..." Xu Qiu paused, "Yes, you have passed the pillar less often, so we can discuss it later." In fact, he and Han Jiaying's progress has not fallen far behind, almost 80% completed. about.
"Okay." Chen Wanqing nodded and continued testing.
After that, the senior sister continuously tested three C1 devices, and the efficiencies all fluctuated between 0.6% and 0.9%, and she gave up the glove box.
Xu Qiu made a seamless connection and spent some time to test his remaining five devices. The efficiency fluctuated between 3.4% and 4.1%.
This result is a bit more fluctuating than the result obtained in Simulation Lab II.
The reason is that Xu Qiu did not do repetitive experiments for this kind of exploratory experiment. There is only one device under each condition, so the fluctuation will naturally be great.
Back at the desk, Chen Wanqing learned about the results of Xu Qiu’s device and casually mentioned: "4% efficiency, 3D-PDI system, it should be able to send to the second district, I remember the last JACS review It’s only 4%."
"Try to improve it again, now it's too wasteful to send directly to the second district."
"Yes, your foundation is so high, you can go further."
After a few small chats, Chen Wanqing opened the summary WORD document, and the two sat together to discuss.
The school girl's overall writing thoughts did not go wrong, so Xu Qiu directly copied her part to her computer for use, and then waited for the part that he and the school girl were responsible for to complete, and then polished it again.
Previously, the three of them divided the second part of the review. Now that the senior sister completed her part ahead of time, Xu Qiu asked her to write the third part first.
The third part also has three small themes, namely "light absorption performance", "charge transport" and "film microscopic morphology". At the time when the review plan was written, the school girl had not participated in it. Qiu is responsible for the "light absorption performance", and the senior sister is responsible for the latter two.
Now there is one more person, and each person can be responsible for one topic.
Xu Qiu connected Han Jiaying who was still in Zhangjiang, and the three discussed it.
It was finally decided that he was still responsible for the "light absorption performance", the senior sister was responsible for the "charge transport", and the senior sister was responsible for the "film micro-morphology".
...
After the discussion, Xu Qiu went to Teacher Wei's office again to report the results.
I still remember that when he first came to the research group, he was rather cautious in going to the 218 office.
In a flash, more than half a year passed, and now I am going to see Teacher Wei, just like stopping by.
Seeing Xu Qiu, Wei Xingsi put on a smiling face, "How?"
Xu Qiu walked two steps forward and came to Teacher Wei's desk. The two faced each other, "The 3D-PDI device has the highest efficiency of 4.1%."
"Yes, think of a way to make it higher," Wei Xingsi nodded, "I used the sample of the company in Shenzhen, right? Did you contact them to buy the materials?"
"I bought 200 mg of P3TEA, and it should be available within this week." Xu Qiu thought about it, but didn't say the price. After all, it is still a bit expensive.
"Okay, are there any experimental plans afterwards?" Wei Xingsi asked casually.
"The main idea is to further optimize the molecular structure of 3D-PDI," Xu Qiu deliberately said: "The methods I thought of temporarily include fused cyclization, Bay site modification, N site side chain engineering, and the introduction of heteroatoms."
"Okay, just do what you think first," Wei Xingsi didn't ask about the specific experimental procedures, and suddenly said with earnest heart: "But don't keep doing experiments with a tight string. You must understand the combination of work and rest, such as the gap between experiments. You can also write a review to relax, how is the review now?"
‘How do we feel that the combination of work and rest we understand is somewhat different? Xu Qiu murmured inwardly and dealt with it, "Now I am writing the second part of the review, and I have almost completed about 80%."
"As long as there is progress," Wei Xingsi nodded, remembering something again, "By the way, are you in Handan tomorrow?"
"What's going on tomorrow?" Xu Qiu asked knowingly. His plan for tomorrow is to do some basic characterization of 3D-PDI molecules in Handan, such as light absorption and energy level testing. But looking like this, Mr. Wei probably If you want to arrange for him what kind of work, it's better to ask clearly first, if it doesn't work, you can run to Zhang Jiang to take refuge.
"That's it," Wei Xingsi tapped on the table with and said: "Qiu Heming of TRPL is coming over to install the instrument for us recently. We were originally scheduled to come tomorrow and Wednesday. If you are not free tomorrow, I will Make an appointment with him again."
"I originally planned to go to Zhangjiang to do synthesis tomorrow, so I will do some basic 3D-PDI characterization in Handan tomorrow." Xu Qiu said nonsense, and the various experiences after joining the group made him smooth. Quite a lot, the TRPL is the instrument he is responsible for, this is not a place to hide, it is better to deal with it earlier.
"Okay, then I'll send him a message to confirm this." After Wei Xingsi finished speaking, he edited a message for Qiu Heming, then took out a can of Laoji herbal tea from the refrigerator and handed it to Xu Qiu.
...
Returning to 216, Xu Qiu prepared a few solutions, looked at TRPL-related documents, and finished other tasks in the laboratory, and sent a message to Han Jiaying to confirm the time she would return by school bus.
Then, he waited in advance at the school bus stop, but didn't tell her ~EbookFREE.me~ After a few minutes, the school bus full of students slowly drove into the main entrance of the school, spared a large circle, and stopped slowly.
Han Jiaying got off the school bus slowly, with two white headphone cables plugged into her ears.
As she was about to move towards the school gate, she suddenly saw a familiar figure under the street lamp, so she rubbed her eyes uncertainly, and found that she had not made a mistake, she rushed over in surprise, "Why are you here?"
Xu Qiu hugged her quickly, "Are you surprised or surprised?"
"Um..." Han Jiaying was stunned for a while, "I should say "I miss you" at this time... Well, this is not important. ’
The two hugged for a while, feeling each other's temperature, and then they held hands and chatted on the road, and then stayed downstairs in the dormitory for a while. This was a reluctant difference.
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