Glossary entry

English term or phrase:

interface state defects

Polish translation:

gęstość stanów elektronowych defektów (lub centrów rekombinacji) na interfejsie

Added to glossary by Frank Szmulowicz, Ph. D.
Oct 6, 2023 09:45
7 mos ago
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English term

interface state defects

English to Polish Tech/Engineering Engineering (general) solar panels
In addition, the second passivation layer 130 within this refractive index range may have good passivation effect, and decreased interface state defects on the front surface of the substrate 100, thereby inhibiting the recombination of carriers on the front surface of the substrate 100 and improving the photoelectric conversion rate of the solar cell.

https://worldwide.espacenet.com/patent/search/family/0782120...
Change log

Oct 11, 2023 10:46: Frank Szmulowicz, Ph. D. Created KOG entry

Discussion

BTW. It makes sense in the reverse order: interface defect states. E.g.:
— A model of interface defect states at Si/SiO2 amorphous (non-periodic) interfaces.
https://www.sciencedirect.com/science/article/abs/pii/002230...
Paweł Janiszewski (asker) Oct 6, 2023:
Thank you, I'll dig into it tomorrow morning. Today my brain isn't working anymore...
By saying "decreased", the authors have in mind a number - the number or more properly the density of defect (electronic) states, here those of recombination centers.
Ref. 2 of which article?
The authors are Chinese. I strongly suspect that they have in mind the density of electronic levels introduced by defects at an interface between two materials due to lattice mismatch and growth imperfections.

Recombination occurs at electronic levels intruduced by defects. So "the defect states" refers to the electronic levels. A "defect state" captures an electon or a hole and then the carrier of the opposite sign, which leads to recombination.
Paweł Janiszewski (asker) Oct 6, 2023:
Ref. 2 Generally, there will be several types of defects in perovskite crystal and on the interface, including grain boundaries (GBs), as shown in Fig. 1d

https://www.sciencedirect.com/science/article/pii/S266693582...
Paweł Janiszewski (asker) Oct 6, 2023:
Wstępnie Defekty stanu powierzchni rozdziału?
Paweł Janiszewski (asker) Oct 6, 2023:
Reference In the past decade years, different interface passivation materials and perovskite additives have been introduced to improve perovskite film quality, reduce GBs, and passivate the interface defects, thereby increase the VOC and FF.

https://www.sciencedirect.com/science/article/pii/S266693582...

Proposed translations

4 hrs
Selected

gęstość stanów elektronowych defektów (lub centrów rekombinacji) na interfejsie

The authors are Chinese. I strongly suspect that they have in mind the density of electronic levels introduced by defects at an interface between two materials due to lattice mismatch and growth imperfections.

Recombination occurs at electronic levels intruduced by defects. So "the defect states" refers to the electronic levels. A "defect state" captures an electon or a hole and then the carrier of the opposite sign, which leads to recombination.

c
Jak wspomniano na początku niniejszej dysertacji, spodziewane jest, że oprócz defektów związanych z matrycą ZnTe, wprowadzenie warstwy CdTe do układu spowoduje powstanie dodatkowych
defektów na interfejsie CdTe-ZnTe, ze względu na duże niedopasowanie sieciowe obydwu materiałów lub wzmocnienie tych defektów, które już występują w strukturze.
https://www.dbc.wroc.pl/Content/17840/PDF/zielony_wlasciwosc...
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3 KudoZ points awarded for this answer. Comment: "Myślę, że to nie jest właściwa odpowiedź, ale dziękuję za pomoc w zgłębieniu tematu."
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