Chapter 479: Give you a look in your eyes

Although the laboratories of Wei Xingsi's research group have now moved to Jiangwan, the group meeting on the first day of construction was still held on the Handan campus.
On the one hand, it is because Wei Xingsi’s office has not moved there, and on the other hand, because the students’ dormitories are now located on the Handan campus.
Regarding the dormitory matter, Wei Xingsi has already applied with the department and made his own request: "Move the dormitories of several graduate students in the group to the first."
The department stated that it had already submitted the opinions to the park and needed to wait for the results.
However, for Xu Qiu and the others, no matter whether the dormitory can be relocated simultaneously, they will face some inconvenience problems.
If you can’t move the dormitory to Jiangwan, you have to take a school bus to and from Handan and Jiangwan every day. The commuting time of a single school bus is almost a quarter of an hour. In addition to waiting for the bus and walking, it will cost one more per day. hour.
And if you move the dormitory to Jiangwan, you will also face the problem of taking classes in Handan.
Because the major professional courses of the colleges and departments this semester are all set up on the Handan campus, we also have to run at both Handan and Jiangwan.
In the final analysis, it was because other research groups in the Department of Materials moved too slowly. If all of them were moved, the department could offer all courses in Jiangwan.
This is probably the painful period of the school during the transition period.
In fact, this is also a manifestation of the contradiction between individuals and groups.
When a group considers a problem, there is a high probability that it will make a decision in the direction that is best for the entire group at the moment, and it will inevitably harm individual interests in this process.
For example, in the case of the new national standard electric car, some people may have just bought a non-national standard electric car for two or three thousand soft sister dollars. As a result, after a few months of driving, the new national standard was launched and the car was directly detained.
Or I bought an electric car that was still the national standard, but after a few months or a year, the national standard changed...
For another example, statistics show that from 2000 to the present, the average broad money growth rate M2 averaged by flower growers has been around 15%.
Generally speaking, nearly 15% of the currency is issued every year.
In other words, if the cash in hand is not invested or consumed, but just held in hand, it will depreciate at a rate of almost 15% per year.
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But the people at the bottom may not obviously feel that inflation is as serious as 15%.
This is because most of the super-issued currency has flowed into real estate before, as well as some white horse stocks.
As a result, the value of "core" assets such as real estate and "mao" stocks has doubled tenfold, a hundredfold, or even a thousandfold in recent years.
The reason why the bottom level cannot feel the substantial inflation is because it is "averaged", just like "me and the richest man have an average income of more than 100 million yuan."
There is a saying called "deflation of the poor and inflation of the rich", which expresses this phenomenon.
In fact, before 2000, the growth rate of M2 was even higher than 15%.
Therefore, at that time there was still the saying of "ten thousand yuan households". Many people thought that with 10,000 yuan in hand, they could realize the freedom of wealth and feel at ease for the elderly. As a result, it has been discovered that 100W is not necessarily enough for the elderly...
Or, now I think that 3000W cash plus a house can realize wealth freedom in first-tier cities, but after 30 years, I may find that it is not enough...
Because 0.85 to the 30th power is equal to 0.00763, according to the M2 growth rate of 15%, the average purchasing power of 1000 soft sister coins after 30 years is equivalent to the current 7.6 soft sister coins.
Even if the growth rate of M2 is 10%, calculated by the 30th power of 0.90, it is equal to 0.0423. After 30 years, the average purchasing power of 1000 soft sister coins is equivalent to the current 42.3 soft sister coins.
However, having said that, for individuals, they may not like inflation, but like deflation, hoping to lie down and do nothing, and the money in their hands will become more and more valuable.
But it is precisely because individuals tend to self-interest spontaneously without external force, so from the perspective of a group, only inflation can motivate people to work hard, create value, and consume to the greatest extent. , And then promote the development of the whole group.
In the afternoon, everyone in the research group except Duan Yun and Chen Wanqing took a taxi to the Jiangwan campus.
Because it was Sunday and there was no school bus, a group of 12 people drove three cars.
From next week, two weeks before school starts, the school bus will be open from Monday to Sunday all week.
Everyone arrived at Jiangwan Laboratory and began to distribute work.
In the end, it was decided that Xu Qiu brought a group of people, mainly responsible for the debugging of the glove box, and Wu Feifei brought another group of people, mainly responsible for the secondary debugging of other equipment.
The current three-row glove box has only one shell, which is empty and empty.
Moreover, when it was returned to the factory for processing, the glass in the glove box was removed for reprocessing.
In other words, the atmosphere inside the glove box is now air.
Therefore, it is necessary to clean the three-row glove box first, convert the internal atmosphere into nitrogen, and reduce the water and oxygen content to the normal range before proceeding to the next experimental operation.
This step needs to consume a lot of nitrogen.
Fortunately, Sun Wo was prepared and ordered four bottles of high-purity nitrogen in advance, so that with the original four bottles of high-purity nitrogen in the laboratory, there are a total of eight bottles of nitrogen, and cleaning three glove boxes should be enough.
It is worth noting that although the centralized gas supply pipeline was installed before, there are two reserved gas pipelines, namely nitrogen and nitrogen-hydrogen mixture.
But in the actual installation, the two pipelines are the same, that is, they can be mixed.
After all, there is only 5% of hydrogen in the nitrogen-hydrogen mixture, and 95% of the volume is nitrogen, which is not much different from high-purity nitrogen in terms of physical and chemical properties.
Therefore, the four steel cylinders in the laboratory can all use high-purity nitrogen.
Only when it is necessary to regenerate the glove box, change one of the bottles of high-purity nitrogen to a mixture of nitrogen and hydrogen.
Such an operation can reduce the frequency of changing gas cylinders by 33% and improve work efficiency to a certain extent.
After 20 minutes, the cleaning is complete.
The water and oxygen content inside the triple row glove box is below 100ppm.
Among them, the small new spin-coated glove box on both sides was cleaned with only one full bottle of high-purity nitrogen, while the old glove box, which was relatively large for storing reagents in the middle, was cleaned with two full bottles of high-purity nitrogen. carry out.
The next step is physical work, and all kinds of reagents and instruments need to be put back into the glove box.
Xu Qiu is in charge of the command, two boys, Sun Wo and Fan Wentang, are in charge of the work, and the other girls assist.
The glove box for storing reagents in the middle is mainly introduced into the balance, heating and stirring table, as well as various drugs and reagents;
The organic spin coating glove box is mainly introduced into the heating homogenizer, the squeegee machine, and the heating mixing table
The perovskite spin-coated glove box is mainly introduced into the ordinary homogenizer and heating mixing table;
No way, there was only one glue spreader with integrated heating function, and it was given priority to the organic photovoltaic team.
In this regard, Wei Xingsi said that the cost of the equipment in the group has bottomed out, and he plans to go to Gong Yuanjiang to play the autumn breeze, and then PY a heating glue machine, and then return it to them when the project funding is applied.
In the end, after spending half an afternoon, Xu Qiu and the others finally allowed the triple row of glove boxes to operate normally.
The remaining work is to prepare standard devices, explore processing conditions, and get the entire device laboratory up and running as soon as possible.
Xu Qiu gave Mo Wenlin the task of exploring organic photovoltaic devices, and he returned to the 401S student office to start his own work, that is, writing Y2-Y5 articles.
For these four Y series materials, Xu Qiu didn't prepare too many articles for publication. He planned to refer to Wu Shengnan's practice and vote for two AM-level articles.
In fact, the best-performing Y4 system can reach an efficiency of 14.6%. If you work hard, you may have a chance to hit the "Nature" Da Zi magazine, but Xu Qiu did not do this. The reason is similar to that of Wu Shengnan. Yes, he has an 18% efficiency system in his hands, and now he just wants to quickly dispose of these preliminary tasks.
In the end, Xu Qiu's plan is to publish one on the Y2 system and another on the Y3-Y5 system.
Among them, Y2 uses the ICIN end group, which is equivalent to the standard sample;
The end groups of Y3-Y5 use three derivatives of ICIN, which is equivalent to a further optimization, which also makes sense from the story.
Speaking of which, during the holidays, Xu Qiu originally planned to write an article, but then he was busy sprinting for efficiency, so he didn't have time to write.
However, Xu Qiu now, even if he writes articles at the AM level, for him, it is a matter of minutes.
With complete data, you can write an article in about a week and complete the submission.
...
Two weeks later.
The Jiangwan 522 laboratory is operating normally, and there is no one-month suspension of work that Wei Xingsi expected before.
Even when Mo Wenlin made the standard device for the first time, she was surprised to find that the performance of the device was actually higher than the previous highest performance.
For this reason, Karen Mok also found Xu Qiu to show off: "Xu Qiu, the efficiency of this batch of standard devices is higher than the highest value you reported before."
Xu Qiu smiled without saying a word, and gave her a look for her to realize by herself.
In fact, the higher efficiency of the standard samples is not only due to the use of the row of glove boxes, but also related to the increasingly perfect processing technology of the organic photovoltaic devices in the research group.
There is a big difference between materials science, which is biased toward applied science, and basic disciplines such as physics and mathematics.
In the latter case, if a correct proof process is given, other people can repeat the proof process.
But for the former, even if an optimal material is given, if the craftsmanship is not done well by others, it is useless.
This is why the performance results reported by different research groups for the same system may be quite different.
For example, Xu Qiu told a small research group about the L6-Cl:Y20 system with the best performance and an efficiency of 18%.
After this small research group learned about this system, it may take several months to find an efficiency of more than 16%. If the efficiency is 18%, it depends on fate.
In addition, Sun Wo and Wu Feifei could not repeat the 12% efficiency of tin-based perovskite, which is also the reason.
At the same time, Xu Qiu secretly helped the research team optimize the experimental conditions. He did not choose to make a statement, but hid his merit and fame.
In addition to not wanting to expose the system, another reason is that Xu Qiu doesn't know what other people will think when they learn about it...
Wei Xingsi might be happier. Moving to the laboratory once did not have much impact on the experiment process. He just allowed the students to take two more weeks of vacation, and he made no loss.
And other people in the laboratory, if they haven't adjusted the experimental conditions well, they can just paddle and pretend that they are exploring the experimental conditions, and they can also have excuses for the failure of the experiment.
Now, I can only work honestly...
In addition to laboratory affairs, regarding dormitory matters, the results of the communication between the department and the Jiangwan Life Park have come out.
The park agreed to open several places this semester, so that the eight universities of science and engineering, including the Department of Materials Science and Engineering, will need to change the list of students in the dormitory, and then uniformly arrange to change the dormitory.
However, students only have one opportunity to apply uniformly during a semester, and after changing the dormitory, in principle, the dormitory will no longer be allowed to change again within two years.
Xu Qiu guessed that the park didn't want to let go at the beginning. After all, changing the dormitory was a troublesome thing for the park, and it was thankless.
Later, the park may be forced to compromise under the pressure of the school’s red head documents and the pressure of major departments, but they also put forward their own request that they are not allowed to change the dormitory twice.
In the end, all the graduate students in the research group except Duan Yun and Chen Wanqing changed their dormitories and moved from Handan to Jiangwan.
Duan Yun and Chen Wanqing basically don't show up in the laboratory much now, so they don't bother to change dormitories.
The job of moving is the same as when Xu Qiu was promoted from undergraduate to postgraduate. After the luggage was packed, the school uniformly helped to transport it.
Now, Xu Qiu has opened the access card for Jiangwan dormitory, returned the old key, received the new key, and lived in Jiangwan’s new dormitory.
The dormitory on Jiangwan was mainly designed for law school undergraduates when it was built before, and it did not take into account that a large number of science and engineering graduate students would come in in the future.
Therefore, the structure of the room is similar to Xu Qiu’s undergraduate dormitory: a four-person standard room with an open space in the middle, four upper and lower tables on both sides, and a balcony for drying clothes and a washing machine. The room size is larger than that of an undergraduate. The bedroom is bigger.
If there are four graduate students in a quadruple room, the dormitory conditions will be much worse than that of the Handan campus, and students will most likely not be willing.
However, if the dormitory is arranged according to the standards of graduate students on the Handan campus, that is, one room for two master students and one room for doctoral students and post-doctoral students, there will be insufficient dormitory resources.
In the end, the park adopted a compromise choice, that is, one dormitory for three male master students, one dormitory for two male doctoral students, one for female master students, and one for female doctoral students.
However, the students who chose to move from Handan to Jiangwan this semester are few, because most of the research groups have not completed the relocation.
Therefore, the current situation is that Xu Qiu lives in a dormitory alone.
After a large number of students move over one after another, it is estimated that new roommates will be added.
As for Xu Qiu's original roommate, Sun Yifan, he chose to stay in Handan this semester.
Xu Qiu estimated that he was going to be happy and moved out by himself. Sun Yifan is equivalent to living in a single room by himself.
Because it is the second half of the semester, even if there is a vacant position there, it will generally be vacant, and no newcomers will add it.
In this way, Sun Yifan can do live broadcast with peace of mind.
The students here are moving the dormitory, and the office of Wei Xingsi over there is also moved from Handan No. 218 to Jiangwan No. 513.
The furniture in the office has not been replaced, and the original furniture, including the fish tank with only a few fishes left, have been moved over.
According to Wei Xingsi, it is because these pieces of furniture are used to it, and they already have feelings.
Finally, there is the matter of course selection.
This semester is the same as last semester, Xu Qiu took about 10 credits of elective courses, which are also scheduled for Thursday.
Taking 10 credits per semester, you can almost complete all the credits required by direct doctoral students within two years.
This is mainly because Xu Qiu is preparing for graduation in advance. He believes that his current scientific research abilities have reached or even exceeded the level of a normal Ph.D.
If he could get his PhD earlier, Xu Qiu would certainly not be willing to delay for a few more years.
Regardless of the industry, age is the biggest advantage.
For example, in the scientific research circle, at the threshold of 45 years old, if you fail to qualify as "excellent youth" or "Yangtze River", the way forward will basically be cut off.
It's the same within the system. If you can't reach any level at any age, the road to promotion will be cut off later, and you will have to retire.
In essence, there are too many people, scrolls, and red seas. There are too many objects to choose from. Those with high overall scores go up, and those with mediocre scores go down...
Therefore, for most people, it is neither relevant nor capable. It may be a barrier to entry into colleges and universities to obtain staff, lecturers to associate professors, and associate professors to full professors...
However, Xu Qiu Xu Qiu felt that he still had to go to Wei Xingsi to find out what he was doing.
Although when he first joined the research group, Wei Xingsi stated that he could graduate early, as long as he met the school’s twice the requirement. Now, Xu Qiu can graduate at least two years in advance with more than ten SCI articles written in one area. Graduated in three years.
However, in case Wei Xingsi changes his mind and does not let others go, it is also a difficult problem to deal with.
This is because the relationship between tutors and students in scientific research circles is unequal at this stage, whether it is domestic or international, and the former has almost decisive control over the latter.
This will lead to a result, that is, enrolling in graduate school is equivalent to a gamble, to hand one's future destiny to a completely unknown person, and hope that the other's character is good enough.
This system is naturally unreasonable.
However, in the process of the rapid development of the research circle of flower growers, supervision has turned a blind eye to this phenomenon.
Now, the situation has begun to change, the authority of tutors has gradually been reduced, and the supervision and control of scientific research funding has become more and more stringent.
The reason behind this change can be considered as a change in the relationship between supply and demand.
In the past, there was an extreme lack of scientific research workers in flower growers. As long as scientific researchers produce results, even if there are some minor problems that do not affect the overall situation, even such violations of regulations and laws are cashed out from scientific research funds, which can be tolerated.
But now, the scientific research circle has become a red sea, and there is no shortage of middle and low-end scientific research talents. If there are people with problems in history, the supervision may think of them as meritorious. If they can continue to work hard now, the past can be forgotten;
But if you still commit crimes against the wind, then I am sorry. Not only the current accounts have to be settled, but the past events may also be liquidated and replaced by someone else. Anyway, there is no shortage of people.
In fact, it is a similar situation when a certain payment company has reached its current position.
In the beginning, they filled up the gaps in the domestic micropayment field and contributed to the development of the entire society. Therefore, some marginal behaviors are tolerable, and the merits are greater than the demerit.
But when they developed and grew, they took the "wrong path", did things that shouldn't be done, and even established a university, trying to pass on this kind of values, and they were sanctioned as a result.
Monday, March 7.
Although the school has officially started, the Jiangwan campus is not lively and relatively deserted.
Wei Xingsi occupied the meeting room on the fourth floor of Jiangwan Xiancai and held a group meeting.
Now Mr. Wei can directly learn about the experimental progress of the organic and perovskite team through Xu Qiu and Wu Feifei.
Therefore, his demand for the group meeting was reduced a lot, so he changed the time of the group meeting from once a week to two Mondays.
The perovskite team first reported,
In the past two weeks, Sun Wo has made some progress. He achieved 6% efficiency of two-dimensional tin-based perovskite devices through the strategy of mixing lead and tin.
Although it is actually 75% lead and 25% tin, the main body is still lead, but at least it is also tinned, which can be a bright spot of tin.
Duan Yun and Chen Wanqing did not report, and their graduation thesis was also distributed to other people in the research group during this time to help with the final review, and then handed over to Wei Xingsi for revision. The revisions were almost completed.
In fact, Wei Xingsi didn't take their graduation thesis too seriously. UU reading www.uukanshu.com mainly changed the format.
On the one hand, after nearly three years of high-pressure training, Duan Yun and Chen Wanqing's level of article writing is relatively high, and he does not need to worry too much.
On the other hand, this thesis is a student's graduation thesis, and the review requirements are much lower than the requirements for publishing SCI area one or two articles.
Therefore, as long as the format is passed, even if you translate your own work, there will be no problems, and there is no need to worry about duplicate checks and blind review failures.
Generally, there will be blind reviews or failures in re-checking, and they are basically doctoral students who have no scientific research results.
Of course, if there are no scientific research results, it is not necessarily their personal problem. It may be that the research direction in the group is not easy to publish articles.
At the level of Duan Yun and Chen Wanqing, although they are not top-notch in Wei Xingsi's group, on the outside, from the perspective of scientific research results, it is conservatively estimated that 70% of doctoral students can be beaten.
Whether they can graduate or not, the review and defense of their graduation thesis are all trivial matters. It simply depends on whether Wei Xingsi is willing to let others go.