Bafuputsi ba Danish ba tlaleha hore ho phekola lisele tsa letsatsi tse sa amoheleheng tse amohelehang ka vithamine C ho fana ka ts'ebetso ea antioxidant e fokotsang mekhoa e senyang e bakoang ke mocheso, leseli le oksijene. Sele e fihletse matla a ho fetola matla a 9.97%, motlakase o bulehileng oa 0.69 V, sekhahla sa nako e khutšoanyane sa 21.57 mA / cm2, le ntlha ea ho tlatsa ea 66%.
Sehlopha sa bafuputsi ho tsoa Univesithing ea Southern Denmark (SDU) se ile sa batla ho bapisa tsoelopele e ntseng e etsoa molemong oa ho fetola matla a li-organic solar cell (OPV) tse entsoeng kanon-fullerene acceptor (NFA)lisebelisoa tse nang le ntlafatso ea botsitso.
Sehlopha se ile sa khetha ascorbic acid, eo ka tloaelo e tsejoang e le vithamine C, 'me ea e sebelisa e le lesela la passivation pakeng tsa lesela la lipalangoang tsa zinc oxide (ZnO) (ETL) le karolo ea photoactive ea lisele tsa NFA OPV tse entsoeng ka lesela la lisebelisoa tse sothehileng. semiconducting polymer (PBDB-T:IT-4F).
Bo-rasaense ba hahile sele ka lera la indium tin oxide (ITO), ZnO ETL, vithamine C layer, PBDB-T: IT-4F absorber, molybdenum oxide (MoOx) carrier-selective layer, le silevera (Ag). ) ho kopana le tšepe.
Sehlopha se fumane hore asiti ea ascorbic e hlahisa phello ea photostabilizing, e tlaleha hore mosebetsi oa antioxidant o fokotsa mekhoa e senyang e bakoang ke ho pepesehela oksijene, leseli le mocheso. Liteko, tse kang ho monya ha mahlaseli a kotsi a ultraviolet, spectroscopy ea impedance, motlakase o itšetlehileng ka khanya le litekanyo tsa morao-rao, li boetse li senoletse hore vithamine C e fokotsa photobleaching ea limolek'hule tsa NFA le ho hatella recombination ea tefiso, e hlokometse lipatlisiso.
Tlhahlobo ea bona e bontšitse hore, ka mor'a lihora tse 96 tsa ho senyeha ha lifoto tse tsoelang pele tlas'a 1 Sun, lisebelisoa tse kentsoeng tse nang le vithamine C interlayer li bolokile 62% ea boleng ba tsona ba pele, le lisebelisoa tsa litšupiso li boloka 36% feela.
Liphetho li boetse li bontšitse hore phaello ea botsitso ha ea ka ea tla ka litšenyehelo tsa katleho. Sesebelisoa sa 'mampoli se fihletse katleho ea phetoho ea matla ea 9.97%, motlakase o bulehileng oa 0.69 V, sekhahla sa nako e khuts'oane sa 21.57 mA / cm2, le ntlha ea ho tlatsa ea 66%. Lisebelisoa tsa litšupiso tse se nang vithamine C, li bonts'itse katleho ea 9.85%, motlakase o bulehileng oa 0.68V, nako e khutšoanyane ea 21.02 mA / cm2, le karolo ea 68%.
Ha a botsoa ka bokhoni ba khoebo le scalability, Vida Engmann ea etellang sehlopha pele hoCenter for Advanced Photovoltaics le Thin-Film Energy Devices (SDU CAPE), e bolelletse makasine ea pv, "Lisebelisoa tsa rona tekong ena e ne e le 2.8 mm2 le 6.6 mm2, empa li ka eketsoa laboratoring ea rona ea roll-to-roll ho SDU CAPE moo re lulang re etsa li-module tsa OPV."
O ile a hatisa hore mokhoa oa ho etsa lihlahisoa o ka fokotsoa, a bontša hore "interfacial layer" ke "motsoako o sa theko e tlaase o qhibilihang ka har'a li-solvents tse tloaelehileng, kahoo o ka sebelisoa ka mokhoa oa ho roala-to-roll joalo ka likarolo tse ling". sele ea OPV.
Engmann o bona bokhoni ba li-additives tse fetang OPV lithekenoloji tse ling tsa lisele tsa moloko oa boraro, joalo ka lisele tsa letsatsi tsa perovskite le lisele tsa letsatsi tse utloang dae (DSSC). "Litheknoloji tse ling tsa organic / hybrid semiconductor-based based, tse kang DSSC le lisele tsa letsatsi tsa perovskite, li na le litaba tsa botsitso tse tšoanang le lisele tsa letsatsi, kahoo ho na le monyetla o motle oa ho kenya letsoho ho rarolla mathata a botsitso le mahlale ana," o boletse joalo.
Sele e ile ea hlahisoa pampiring "Vithamine C bakeng sa Lisele tsa letsatsi tse tsitsitseng tse sa Amoheloeng ke Li-Fullerene,” e hatisitsoeng hoACS Applied Material Interfaces.Mongoli oa pele oa pampiri ke Sambathkumar Balasubramanian oa SDU CAPE. Sehlopha se ne se kenyelletsa bafuputsi ba SDU le Rey Juan Carlos University.
Ha re sheba pele sehlopha se na le merero ea lipatlisiso tse ling mabapi le mekhoa ea botsitso e sebelisang li-antioxidants tse etsahalang ka tlhaho. "Nakong e tlang, re tla tsoelapele ho etsa lipatlisiso ntlheng ena," ho boletse Engmann ha a bua ka lipatlisiso tse ts'episang ka sehlopha se secha sa li-antioxidants.
Nako ea poso: Jul-10-2023