Lisebelisoa tse ncha tse tšesaane le tse bonolo tsa semiconductor li ka sebelisoa ho etsa micro lelisebelisoa tsa nano optoelectronic
li-roperties, botenya ba li-nanometer tse 'maloa feela, thepa e ntle ea optical… Moqolotsi oa litaba o ithutile ho tsoa Univesithing ea Theknoloji ea Nanjing hore sehlopha sa lipatlisiso sa moprofesa oa Lefapha la fisiks la sekolo se lokisitse kristale ea iodide ea loto e tšesaane haholo ea boleng bo holimo ea mahlakore a mabeli, le ka eona ho fihlella taolo ea thepa ea optical ea thepa ea sulfide ea tšepe ea phetoho ea mahlakore a mabeli, e fanang ka mohopolo o mocha bakeng sa tlhahiso ea lisele tsa letsatsi leli-photodetectorsLiphetho li phatlalalitsoe tokollong ea morao-rao ea koranta ea machaba ea Advanced Materials.
“Maqephe a nano a iodide a lokisitsoeng ka lekgetlo la pele, lentsoe la botekgeniki ke ‘athomo e teteaneng ka bophara ba sehlopha se seholo sa mahlakore a mabedi a PbI2’, e leng thepa ea semiconductor e tšesaane haholo e nang le botenya ba li-nanometer tse 'maloa feela.” Sun Yan, mongoli oa pele oa pampiri ena le mokhethoa oa bongaka Univesithing ea Theknoloji ea Nanjing, o itse ba sebelisitse mokhoa oa tharollo ho kopanya, o nang le litlhoko tse tlase haholo tsa lisebelisoa 'me o na le melemo ea ho ba bonolo, kapele le ka katleho,' me o ka fihlela litlhoko tsa ho lokisa thepa ea sebaka se seholo le e hlahisang chai e ngata. Maqephe a nano a iodide a lokisitsoeng a lokisitsoeng a na le sebopeho se tloaelehileng sa khutlotharo kapa hexagonal, boholo bo tloaelehileng ba li-micron tse 6, bokaholimo bo boreleli le thepa e ntle ea mahlo.
Bafuputsi ba kopantse nanosheet ena e tšesaane haholo ea iodide ea lead le li-sulfide tsa tšepe ea phetoho ea mahlakore a mabeli, tse entsoeng ka maiketsetso, ba li kopanya hammoho, 'me ba fumana mefuta e fapaneng ea li-heterojunctions, hobane maemo a matla a hlophisitsoe ka litsela tse fapaneng, kahoo iodide ea lead e ka ba le litlamorao tse fapaneng ts'ebetsong ea optical ea li-sulfide tsa tšepe tsa phetoho ea mahlakore a mabeli. Sebopeho sena sa lebanta se ka ntlafatsa katleho ea khanya, e leng se thusang tlhahiso ea lisebelisoa tse kang li-diode tse ntšang leseli le li-laser, tse sebelisoang ponts'ong le maboneng, 'me li ka sebelisoa lefapheng la li-photodetector lelisebelisoa tsa photovoltaic.
Katleho ena e phethahatsa taolo ea thepa ea optical ea thepa ea sulfide ea tšepe ea phetoho ea mahlakore a mabeli ka iodide e tšesaane haholo ea loto. Ha e bapisoa le lisebelisoa tsa setso tsa optoelectronic tse thehiloeng thepang e thehiloeng ho silicon, katleho ena e na le litšobotsi tsa ho tenyetseha, micro le nano. Ka hona, e ka sebelisoa ho lokiseng e tenyetsehang le e kopaneng.lisebelisoa tsa optoelectronicE na le tebello e pharaletseng ea ts'ebeliso lefapheng la lisebelisoa tse kopantsoeng tsa micro le nano optoelectronic, 'me e fana ka mohopolo o mocha oa ho etsa lisele tsa letsatsi, li-photodetector le tse ling.
Nako ea poso: Loetse-20-2023