Chapter 385: 2 is not for nothing

Text 385 Two works are not for nothing (seeking subscription)
Xu Qiu's tone was calm and began to report: "Next, my main research direction is to prepare translucent, laminated devices based on the itic-type non-fullerene receptor materials currently developed. These two directions are both parallel and There is a certain progressive relationship."
"First of all, let’s talk about the stacked device. If it is a simple four-terminal double-junction stacked device, its structure is a normal device, plus a translucent device, connected in series, and then placed vertically, two The battery devices are equivalent to being bundled together, absorbing a unit of sunlight."
"If it is a more complicated two-terminal method laminated device, it is equivalent to first preparing a semi-transparent device as a sub-battery, and then directly preparing another sub-battery on top of it to achieve the laminated effect.
"The preparation process of the two-terminal method is more difficult, but the flexibility is relatively high. If you want to do it, you can even make the second sub-battery semi-transparent, and then cover the third and second sub-cells on it like a house. Four battery devices to realize multi-junction stacked devices."
"Considering that semi-transparent devices are a precondition for laminated devices, I plan to develop semi-transparent devices first."
"Translucent devices, as the name suggests, are battery devices that are viewed with the naked eye. They are translucent, that is, some visible light can pass through."
"The visible light range is roughly 390-780 nanometers. Therefore, in the selection of the material for the effective layer of translucent devices, materials with near-infrared light absorption are a preferred choice, that is, the light absorption range is 700-900 nanometers or even 800- For a material of 1000 nanometers, the band gap of the corresponding material is about 1.24-1.38 electron volts."
"It just so happens that we have such materials in our group, such as -4f developed by senior sister Chen Wanqing, and fnic-4f developed by senior sister Wu Shengnan, which are more suitable materials."
"In the initial stage, I plan to choose pce10 as the standard donor material and ieiic-4f as the acceptor material. I will make a preliminary experiment, and then expand to other systems, including ihic and 4tic, which are synthesized by the Wu Shengnan plan."
"For semi-transparent devices, an important characterization parameter is avt, which translates to the average light transmittance in the visible light range, and some advanced characterization parameters include chromaticity diagrams and so on."
"Traditional battery devices, because the effective area is covered with metal electrodes such as silver, aluminum, and gold with a thickness of about 100 nanometers, the avt is usually less than 1%, and the preparation of semi-transparent devices is usually made from the electrodes. It is to switch to light-transmitting electrodes, such as thin metal electrodes, silver nanowires and even ito, etc., and exploring the preparation process of light-transmitting electrodes will also be my main work content next."
It has been a long time since Xu Qiu gave a report for such a long time at the group meeting. After some speeches, he was still a little dry.
"Very good," Wei Xingsi praised, and then said: "It just so happens that Xu Qiu, if you can produce any results, you can use it in the notebook written by Wu Shengnan as a preliminary work."
Han Jiaying was finishing the work of the j3 system last week. The current article progress is about 50%, and the target journal is aem.
Because the performance of j2 is not as good as that of j3, although it is also a 12%+ system, the chances of being beaten back by voting for am are relatively high, so I simply vote for aem.
According to Wei Xingsi's estimation, Han Jiaying's article is almost like this:
The probability of submission to am is 20%, the probability of being rejected is 40%, the probability of being rejected to a regional journal such as aem and afm is 20%, and the probability of being rejected to aelm and other regional journals is 20%;
On the other hand, there is a 60% chance of direct submission to aem.
Then the natural selection of direct investment aem is more secure.
Wu Shengnan was collating articles on the m-itic system last week. The current progress is about 80%. From this look, the articles can be posted before the National Day holiday.
Then she plans to wait for the leave, and start working on the idic-m system and writing for the Wei Xing Sijie Youth Fund.
Karen Mok was mainly writing h22:itic: system articles last week, and the progress was almost 40%.
There are still many routines for the ternary system, because there are three components mixed together, compared to the dual system, there will be many more possibilities, it depends on how the author explains.
For example, Mo Wenlin’s first work was a ternary system consisting of h22 donor, fullerene acceptor pcbm and non-fullerene acceptor itic. At that time, based on the results of trpl, Xu Qiu speculated that
pcbm and itic are "Parallel structure", Karen Mok put this view in the title of the article as a highlight of the article.
In this work, Xu Qiu speculated that "itic and because of the similar molecular structure formed an acceptor alloy", which was also written by Mo Wenlin in the article.
Including the following work of the third j1:itic:pdi4-b4t, Xu Qiu found that this system added very little 3d-pdi material, but realized the improvement of device performance, and speculated that "the main function of pdi material is not to provide complementary Light absorption is to provide the driving force for charge splitting and help the donor material j1 to achieve exciton splitting."
It is enough to justify the point of guessing type as long as it is put forward, and it does not matter if it is wrong.
Moreover, like the current conjecture, others have no x-ray vision and cannot see the specific microscopic scenes. It is difficult to argue whether your point of view is correct.
Xu Qiu's participation in Mo Wenlin's work is relatively high, and he put forward many points of view.
After all, the articles produced by other people in the field of organic photovoltaics, Xu Qiu almost certainly eats a second article, and his two articles are not in vain.
After lunch, Xu Qiu ran to the Jiangwan campus, and after getting off the school bus, he went straight to the Jiangwan pioneer. The campus here is still the same as before, there are no people, and it is still in the "Jiangwan Prairie" state.
When he came to the door of Xiancai, Xu Qiu took out the all-in-one card and swiped the card, and there was a rapid "didi" sound from the access control device, indicating that "the access control is not activated".
Thinking that the new card had not been used for access control, he changed the old card of the undergraduate student again, and failed to open the door, saying "This card has been cancelled".
Well, the expiration date of the old card expired, and Xu Qiu had to call the security guard to open the door.
Speaking of which, after students graduate, the card will be cancelled, but there is usually some money left in it.
Within a specified period of time, graduates can go to the all-in-one card office to withdraw the remaining amount. If they do not withdraw after the deadline, they will automatically be regarded as donated.
The amount in Xu Qiu's old card was only three digits with a decimal point, so I didn't bother to withdraw it, so I donated it directly, but I don't know where it went.
And some local tyrants like to recharge 500, 1000 or even 2000 in a one-time card, and forget to withdraw cash after graduation, they will lose money.
Of course, the local tyrants may not be short of this money.
After the uncle security opened the door, Xu Qiu first went to the security office to handle the access control of the doctoral student's new student number, then took the elevator directly to the fifth floor, unlocked the U-locks in rooms 520 and 522, and walked in.
Xu Qiu hasn't been to Jiangwan for a long time, but the laboratory here has not changed much compared to the previous one. It's just that Lao Wang has integrated water, electricity, gas and air extraction devices in the fume hood.
Xu Qiu carefully checked the water outlet condition of the waterway of each fume hood, the water condition, whether the socket has electricity, whether the nitrogen gas path is unblocked, and the exhaust fan's air extraction effect.
There is no problem with water and electricity. The three fans are also relatively powerful. The sound is not too large when running, and the suction is quite strong, and the movement of the airflow can be clearly felt.
Maybe it's because the fan is relatively new. Like Zhang Jiang's fume hood, one fan makes a loud noise.
"Buzzing" and "buzzing" greatly affected the mood when experimenting, so they were assigned to inorganic experiments.
After finishing the fume hood, the renovation of Jiangwan Laboratory is now complete.
If you move later, there are still four parts: the handling of the instrument, the handling of hazardous chemicals, the return of the glove box, and the re-adjustment and calibration of all instruments.
Now there is a small tail, which is similar to the acceptance of the gas pipeline before. Now the person in charge of the fume hood also needs to sign for it, so that Lao Wang can get the payment from the school.
So Xu Qiu called Lao Wang, and the other party said, "I'm outside, and I must be there within half an hour."
During the free time waiting for Pharaoh, Xu Qiu left his laboratory and planned to go to other places in the Xiancai Building.
It's important to understand what the neighbors are doing. If something happens, you can run away.
The first floor is a school public instrument platform similar to the previous aging building, and the supporting facilities here are good.
There are many more expensive instruments, such as transmission electron microscope tem, nuclear magnetic resonance instrument nmr and so on.
Of course, there are also some conventional gel chromatography gpc, Fourier transform infrared absorption spectrometer ftir and so on.
Moreover, the instruments here are relatively new, and new usually means good. After all, technology is generally forward iteratively, and it rarely looks backward.
There is a very large meeting room on the second floor, which is similar to the kind of seats in a movie theater. It is estimated that it can hold 300 people for a meeting. There is also a student activity center, which is similar to a study room. The supporting conditions are very good. It is not a bench but a single and multi-person sofa.
The third floor belongs to the Jiangwan Institute of Advanced Materials, and several of their research groups occupy one floor. After all, there are academicians, and the school has a very high degree of tilt towards academicians.
However, although there are two academicians in the Department of Materials, they are not under the control of the Department of Materials, and they are all independent departments.
One of them is the Jiangwan Forerunner Laboratory here, and the other is the Equipment Institute, engaged in military industry, and the conditions are also very good.
The Equipment Institute has several exclusive bungalows on the Handan campus, which are classified as confidential institutions. Students entering the research group must sign confidentiality agreements.
The field they do is biased towards applications, not very good at posting articles, but the treatment is very good.
Most Ph.Ds in Mordu University's materials receive almost 2-4k per month, and the Equipment Institute is the kind of 4k+.
And everyone in the group can take turns to win the national award, because every year there is a special national award for the equipment institute, and there is no need to compete with other students in the material department.
This is a national award that you can get while lying down.
The sixth floor is another independent research institute of the Department of Chemistry, similar in nature to the Jiangwan Xianma Laboratory and Equipment Institute, but Xu Qiu is not clear about the specifics.
It may be because the Xiancai Building is the first phase of the project, and the Chemistry Building and Environment Building behind UU Reading www.uukanshu.com are the second phases of work. Therefore, after the Xiancai Building was built, there were many empty rooms. The independent chemistry department The institute ran over and took up one floor.
The fourth, fifth and seventh floors belong to the department of materials.
Xu Qiu looked around at random, and the student office on the fourth floor was still empty.
Most of the other rooms have traces of renovation, and a few are undergoing renovation, but the progress is not fast, and many rooms have not yet begun to ceiling.
And there are no fully renovated laboratories like rooms 520 and 522.
It seems that the other teachers in the Department of Materials are quite resistant to the move.
In fact, Wei Xingsi also had some resistance to the move.
But who makes the new laboratory given by the department a large area, and can also integrate the original Handan and Zhangjiang laboratories without having to run around.
Overall, the advantages outweigh the disadvantages, so he is naturally more active.
The seventh floor is the top floor, and there are several rooms dedicated to exhaust air.
In the stairwell on the seventh floor, there is a climbing device that can go up to the roof.
However, there is a lock on the top of the roof, which is safer.
After strolling around, Xu Qiu returned to Room 520. After waiting long, Lao Wang rushed over with the list.
Xu Qiu signed and completed the acceptance of the fume hood.
ps: Ask for recommended tickets and monthly tickets on Monday. If the limit is waived, you can change it directly.
ps2: The two chapters are nearly 7k words, and the limit is a lot more. Is the author very ethical, so you know... Rolling all over the floor asking for votes, don’t be sure next time!
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