Chapter 204: Was it the first to board?

"I have a scientific research support system ( to find the latest chapter!
After lunch, Xu Qiu unexpectedly received a call from Teacher Wei.
"There is a review of the PDI series, which is a bit similar to the idea you mentioned before. I sent it to your email." Teacher Wei said concisely, with a serious tone.
"Three-dimensional PDI molecule?" Xu Qiu asked, startled.
"Yes, but their formulations are different, you can take a closer look."
"okay."
After hanging up, Han Jiaying cared: "Brother, what's the matter?"
"For a PDI review, Mr. Wei said that they are very similar to our experimental ideas." Xu Qiu replied, then opened the email and checked the review files.
"Um... so, let me have a look too." The school girl moved the chair next to him, and Xu Qiu moved it inside to make some space.
The journal they submitted is JACS, the title is "A star-shaped PDI electron acceptor for high-efficiency organic solar cells", the material is named TPA-3PDI, the molecular structure is intermediate triphenylamine, and each benzene ring is connected to a PDI molecule. .
Xu Qiu sighed, the other party's work is indeed very similar to his thinking.
He was originally inspired by fullerene derivatives. Fullerene is a spherical molecule that can achieve good charge transport on a three-dimensional space scale, while PDI molecules are planar and can only be transported on a two-dimensional plane. Charge.
Therefore, he conceived a molecule with a conjugated core in the middle and connecting several PDI molecules on the outside to simulate the structure of fullerenes. This is the concept of 3D-PDI.
Never thought that his experiment has just started, and other people's articles have already come out.
Continue to scroll down to the photoelectric performance column-the efficiency is only 4%.
"So low, can it be called high efficiency?" Han Jiaying asked.
In fact, this was Xu Qiu's first reaction, but he understood after another thought and explained:
"It's not uncommon for fullerenes to have 8% and 9%, and even he has achieved 11%, but in the non-fullerene field, it is rare that it can reach more than 6%.
When comparing, it is usually done horizontally. Moreover, the main selling point of this work is the concept of three-dimensional or star-shaped. Although the efficiency of 4% is not high, it at least proves that the device can operate normally. This concept is feasible. of. "
Han Jiaying nodded thoughtfully.
Looking at the pictures in the article again, Xu Qiu made a preliminary judgment that this work can still be sent to JACS.
So the question is, how to deal with this manuscript?
‘Is it normal review, or dragging the manuscript for a while, or directly giving the rejection opinion, or even delaying the rejection before giving it? He was in a struggle.
At that moment, he had already figured out a template for rejection: "The job is not good, the efficiency is too low, ... it is recommended to switch to ACSAMI."
In short, you can always find faults.
After struggling for a long time, Xu Qiu shook his head, put aside distractions, and decided to review the manuscript normally.
Others have the same scientific ideas as him and published their work first. Although regrettable, there is no need to set aside their own principles.
As a scientific researcher, you still have to be pure and open.
Moreover, other people are only ahead for a while, and he is not without the opportunity to overtake in corners.
This concept was put forward by them, which can only show that they have taken a step first, but in the end they still have to see the real chapter in device performance.
After confirming this, Xu Qiu settled down and seriously reviewed the manuscript.
"Brother, what does this article say?"
"Make a big change. After all, it's JACS. The requirements are naturally higher." Xu Qiu smiled and said, "If he casts ACSAMI, I will just let him pass."
In the end, he asked the other party to add some experiments including TRPL, and also asked some questions about the details of the experiment, and then sent the review comments directly to Teacher Wei.
As for whether Mr. Wei has some other ideas, such as dragging the manuscript, or changing the opinion into rejection, that is not what he can control.
During this review, Xu Qiu has gained a lot:
First of all, he is familiar with the path of the entire synthesis reaction of the 3D-PDI series of molecules, which can be used for his reference, and may be able to avoid some detours.
Secondly, there is the problem of product yield. The last step of the reaction is to obtain the final target product. When the 3D-PDI molecule is obtained, the yield is only 40%. This may also be a problem he has to face.
Again, they used two donor materials, one is conventional PCE10 with an efficiency of 3%, and the other is P3TEA with an efficiency of 4%, and the efficiency of PCE10 after blending these two donor materials with PCBM is higher than P3TEA.
This shows that the requirements of non-fullerene acceptors and traditional fullerene derivatives are not uniform in terms of donor selection.
Based on this, he thought of a plan in his mind, but its feasibility remains to be examined.
Finally, the unit of this work is a domestic research institute and a large group. There are more than ten authors alone.
In this way, the progress of his experiment must be accelerated.
For example, if you post an article in a large group or assembly line operation, there will probably be other tasks in progress.
Especially this is a new subdivision that has just been developed.
Hope, don’t crash the car~EbookFREE.me~ After processing the manuscript, continue experimenting.
When they bought the liquid chromatograph, the manufacturer gave two boxes of silica gel columns.
One is a disposable column with silica gel already installed, and the other is a silica gel column that can be reused.
The disposable column cannot be disassembled and needs to be used with an additional sample column, that is, evenly put the mixed sample into a small silica gel column, and then connect it to the disposable silica column.
The reusable silica gel column requires manual filling of silica gel, and the sample can be directly loaded on the upper end of the silica column, usually without additional sample column.
Obviously, one-time use is more convenient, after all, you only need to manually install a small sample column.
Xu Qiu decisively chose the disposable one. He converted it to 5 grams of sample and chose a small column based on the appropriate sample quality indicated on the blank silica gel column.
After installing the sample column, he began to set up the device, connecting the sample column and the blank silica gel column, and then connected to the liquid chromatograph.
Because he learned that the 1:1 volume ratio of petroleum ether:dichloromethane solvent can effectively separate the two products when he clicked the plate, he inserted the A and B tubes of the liquid chromatograph into the petroleum ether and Dichloromethane in a 4 liter solvent bucket.
Ready, open the software, set A:B to 100:0, flow rate 1 ml per minute, waste liquid mode, start.
The solvent is continuously pumped out under the action of the pump.
This time it’s not like the last time there was no empty run, because the silica column puts a lot of pressure on the solvent.
Therefore, the surrounding "duang" and "duang" sounds have become a lot louder, and you can clearly see a few thin tubes swinging rhythmically.
The transparent solvent flows down from the sample column to the blank silica gel column, slowly infiltrating the entire column.