Chapter 314: Why is there something weird about the moves learned...

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Gong Yuanjiang got up and continued to host, and said, "Do you have any questions?"
Soon someone raised his hand to respond. It seemed that he should be one of Gong Yuanjiang’s students. After getting permission, he asked: "Ms. Wei, do you think the PCE11 material you developed has any advantages and disadvantages compared to the traditional PCE10 material? ?"
Wei Xingsi thought for a while and began to reply: "PCE10 and PCE11 are the current benchmark donor materials..."
He chose the method of avoiding the most important and not mentioning the specific advantages and disadvantages, mainly because it is difficult to compare the two objectively.
Xu Qiu also previewed the answer below. In addition to possibly saving Teacher Wei from the field, he will definitely also come on stage to give a report later. There will also be a questioning session at that time. The current thinking is treated as a preview.
No, Xu Qiu learned a trick. Whenever a question is difficult to answer, he would avoid the important and ignore it and practice Tai Chi...
After dealing with the first questioner, Gong Yuanjiang personally asked a question: "Mr. Wei, what do you think of the future development trend in the field of organic photovoltaics?"
This is a question that all participants will be asked. In fact, this is also the core part of the seminar.
After all, the specific work mentioned in everyone's PPT is all published articles, and almost everyone has seen it. If you don't understand, you can just go through the literature.
However, every scientific researcher's thoughts on the general direction of the future are usually difficult to hear.
There is a saying that choice is greater than effort, and the field of scientific research is the same. If the research direction is right, if you follow the boss, you have a greater chance of eating meat (publishing a good article).
Therefore, the more powerful the scholars, the more important their opinions will be paid to. This is one reason why the big guys can easily write on the CNS main journal and the "Nature" journal-others really want to see what they write.
Wei Xing said eloquently, the main idea is that he is optimistic about the non-fullerene field, but he said more general and did not mention too much detail.
Then, Xu Qiu learned another trick. This trick was named Jinghua Shuiyue by him. It was basically "I will stop here. How much you can understand depends on your ability."
Participants continued to ask questions. This time it was a young teacher who Xu Qiu was not familiar with. He asked:
"I see that you have made a 3D-PDI system with very high efficiency. Do you think the way out of the non-fullerene system lies in the PDI field, or the ADA system developed by Xu Zhenghong and others recently?"
This question is rather sharp. If it is said that other people’s work is not good, Xu Zhenghong, the leader of the family, is sitting in the meeting room. It is always not good to say bad things about people in person; but if you say that your direction is not good, you are beating yourself. face.
Fortunately, Wei Xingsi has rich experience in this area. He secretly remembered the questioner in his heart, and then replied: "Whether it is in the PDI field or the ADA field, I think there are very promising directions. I am optimistic about the entire non-rich Leene field..."
Xu Qiu learned a trick again, right and left.
Why is there something weird about the moves learned?
Next, a student-like questioner said seriously: "The light absorption range of the traditional PDI series is about 400-600 nanometers, but the light absorption range of the 3D-PDI materials developed in your EES work is 600-800 nanometers. In between, what do you think of this phenomenon..."
When Wei Xingsi switched the PPT to the corresponding place, the other party patted his forehead and said: "Oh, I read it wrong, then it's okay, sorry."
Yes, it's a big horse.
The last question was asked by a student brought by Lu Changjun: "Your PCE11 system uses the thermal coating method. How do you do it?"
Wei Xingsi talked for more than forty minutes, and was a little tired, and the specific experimental operation was not what he was good at, so he waved to Xu Qiu and said, "My student Xu Qiu will help answer this question. He is The main author of this series of work."
The summoning was a little sudden, but Xu Qiu didn't have stage fright, and stood up directly, and then saw that the eyes around him instantly focused on him. There were teachers and students, and he couldn't help but feel a little nervous.
So, he muttered silently in his heart "This is the group meeting, this is the group meeting", took two more deep breaths, calmed down, and said in a deep voice: "I..." When he opened his mouth, Xu Qiu found that he was really opening In the group meeting, I spoke Chinese directly.
After reacting, Xu Qiu quickly switched the language to English: "Sorry, wefirstly...". Translation: "We first used the method of heating the substrate and the effective layer solution at the same time, and then quickly spin-coating to prepare the effective layer film. This method will form a circle in the center due to uneven heating, and then we adopted the Heating type homogenizer..."
After Xu Qiu answered this question on his behalf, Wei Xingsi's report was successfully concluded.
In fact, Xu Qiu really wanted to see the reaction of Yan Hu from the University of Hong Kong after listening to this report.
Yan Hu was the research team that did the PCE11 system and Xu Qiu crash before. Unfortunately, the other party did not come today. I don’t know if it is because Hong Kong is too far away from Tianjin, or Gong Yuanjiang didn’t invite him, or he didn’t want to see him. Wei Xingsi.
After that, Xu Zhenghong, Lu Changjun and Zheng Xiao reported in turn.
Xu Zhenghong talked about the development history of non-fullerene receptors in their ADA system based on Rao Danning A unit. Their group published a lot of articles, many of which were published in the journal Nature. When they first proposed the concept of ADA, Published an article "Nature·Optics", and now the IDTBR system is another "Nature·Materials", and there are also various articles on JACS, AM, EES, Angew, etc.
Because they also work on the ADA system, and they are very similar to what Xu Qiu did, this report brought him a lot of inspiration. He directly turned on the crazy grass (three tones) mode on the experimental record book.
Mo Wenlin who was watching was stunned: "Xu Qiu, what do you write in my experiment notebook."
Xu Qiu’s original writing was mediocre, and after the college entrance examination, he entered university. Apart from doing homework, coping with examinations, and occasionally filling in forms, he could hardly write. He used the keyboard to type, which resulted in continual writing. When the pen is up, no one else can read it.
After admiring his handwriting, Xu Qiu casually complained: "In this way, I have the potential to be a doctor..."
Lu Changjun talked about the development of polymer donor materials based on DPP acceptor units developed by his group. Similar to PCE10 and PCE11, the DPP system is also a narrow band gap material. The structure of DPP2T can also increase the photoelectric conversion efficiency by 10%. However, the combination of this type of material and the non-fullerene receptor system is not effective, so Xu Qiu did not pay much attention.
The last Zheng Xiao was doing PDI. UU reading www.uukanshu.com mainly introduced the oligomers of PDI, including the PDI tetramer, which set a previous world record, which is quite different from the system currently studied by Xu Qiu. He also Did not pay too much attention.
Participants today are more enthusiastic about asking questions. Basically 15 minutes of questioning time is full.
Moreover, most of the questions asked are relatively normal, not too exaggerated or deliberately making things difficult.
After all, apart from Bazan, everyone else is a domestic colleague invited by Gong Yuanjiang. The circle is so small. If you don't see it when you look down, you can still save face in China.
Just like in the morning Bao Yuanyou's work was seen by others as omissions, that person just shook his head and said: "I can't completely agree with this conclusion of you." He didn't hold on to a point and attacked him desperately.
PS: The ten thousand change is over, the current monthly ticket is 850+, the debt is 2W7, and 1W3+ has been returned.
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