Re sebelisa li-cookies ho ntlafatsa boiphihlelo ba hau.Ka ho tsoela pele ho sheba sebaka sena sa marang-rang, o lumellana le ts'ebeliso ea rona ea li-cookies.Tlhahisoleseling e 'Ngoe.
Li-sensor tsa khatello tse apereng li ka thusa ho beha leihlo bophelo ba motho le ho hlokomela tšebelisano ea batho le komporo.Boiteko bo ntse bo tsoela pele ho theha li-sensor tsa khatello tse nang le moralo oa lisebelisoa tsa bokahohleng le kutloisiso e phahameng ea khatello ea maikutlo ea mochini.
Boithuto: Li-transducer tse itšetlehileng ka masela a piezoelectric tse ipapisitseng le li-electrospun polyvinylidene fluoride nanofiber tse nang le li-nozzle tse 50.Mokoloto oa Litšoantšo: African Studio/Shutterstock.com
Sengoliloeng se phatlalalitsoeng koranteng ea npj Flexible Electronics se tlaleha ka ho etsoa ha li-transducer tsa khatello ea piezoelectric bakeng sa masela a sebelisang likhoele tsa polyethylene terephthalate (PET) warp le polyvinylidene fluoride (PVDF) weft yarns.Ts'ebetso ea sensor e tsoetseng pele ea khatello mabapi le tekanyo ea khatello e thehiloeng ho mohlala oa weave e bontšoa ka tekanyo ea lesela e ka bang limithara tse 2.
Liphetho li bonts'a hore kutloisiso ea sensor ea khatello e ntlafalitsoeng ho sebelisoa moralo oa 2/2 oa canard ke 245% e phahameng ho feta ea 1/1 ea moralo oa canard.Ho phaella moo, ho ile ha sebelisoa lintho tse fapa-fapaneng ho lekola tšebetso ea masela a ntlafalitsoeng, ho kopanyelletsa le ho phunya, ho petetsa, ho sosobana, ho sotha le metsamao e fapaneng ea batho.Mosebetsing ona, sensor ea khatello e thehiloeng ho lisele e nang le mofuta oa pixel ea sensor e bonts'a litšobotsi tse tsitsitseng tsa ho lemoha le kutlo e phahameng.
Raese.1. Ho lokisoa ha likhoele tsa PVDF le masela a sebetsang ka bongata.sets'oants'o sa ts'ebetso ea 50-nozzle electrospinning e sebelisetsoang ho hlahisa limmete tse tsamaellanang tsa PVDF nanofibers, moo melamu ea koporo e behoang ka mokhoa o ts'oanang holim'a lebanta la conveyor, 'me mehato ke ho lokisa mehaho e meraro e lohiloeng ho tloha ho li-monofilament tse nang le likarolo tse' nè.b SEM setšoantšo le kabo ea bophara ba likhoele tsa PVDF tse tsamaellanang.c setšoantšo sa SEM sa khoele e nang le lithapo tse 'nè.d Matla a ho tiea le ho tsikitlaha ha khoele e tsoeroe e le mosebetsi oa ho sotha.e X-ray diffraction pattern ea khoele e tsoetsoeng tse 'nè e bontšang boteng ba mekhahlelo ea alpha le beta.© Kim, DB, Han, J., Sung, SM, Kim, MS, Choi, BK, Park, SJ, Hong, H. R et al.(2022)
Tsoelo-pele e potlakileng ea liroboto tse bohlale le lisebelisoa tsa elektronike tse ka khabohang e hlahisitse lisebelisoa tse ngata tse ncha tse thehiloeng ho li-sensor tse feto-fetohang tsa khatello, 'me lisebelisoa tsa tsona ho lisebelisoa tsa elektronike, indasteri le meriana li ntse li tsoela pele ka potlako.
Piezoelectricity ke tefiso ea motlakase e hlahisoang holim'a thepa e tlas'a khatello ea mochine.Piezoelectricity ka thepa ea asymmetric e lumella kamano e ka khutlisoang morao pakeng tsa khatello ea mochini le tefiso ea motlakase.Ka hona, ha karoloana ea thepa ea piezoelectric e holofetse 'meleng, ho etsoa tefiso ea motlakase,' me ka tsela e fapaneng.
Lisebelisoa tsa piezoelectric li ka sebelisa mohloli oa mahala oa mochini ho fana ka mohloli o mong oa matla bakeng sa likarolo tsa elektroniki tse sebelisang matla a manyane.Mofuta oa thepa le sebopeho sa sesebelisoa ke likarolo tsa bohlokoa bakeng sa tlhahiso ea lisebelisoa tsa ho ama tse thehiloeng ho coupling ea electromechanical.Ntle le lisebelisoa tsa inorganic tse phahameng haholo, lisebelisoa tsa manyolo tse feto-fetohang le tsona li 'nile tsa hlahlojoa ka lisebelisoa tse aparoang.
Li-polymers tse entsoeng ka nanofiber ka mekhoa ea electrospinning li sebelisoa haholo e le lisebelisoa tsa polokelo ea matla a piezoelectric.Piezoelectric polymer nanofibers e thusa ho theha meaho e entsoeng ka masela bakeng sa lisebelisoa tse ka aparoang ka ho fana ka tlhahiso ea motlakase e ipapisitseng le elasticity ea mochini libakeng tse fapaneng.
Bakeng sa morero ona, li-polymer tsa piezoelectric li sebelisoa haholo, ho kenyelletsa le PVDF le lihlahisoa tsa eona, tse nang le piezoelectricity e matla.Lithapo tsena tsa PVDF lia huloa le ho ohloa hore e be masela bakeng sa lisebelisoa tsa piezoelectric ho kenyeletsoa lisensara le lijenereithara.
Setšoantšo sa 2. Li-tissue tsa sebaka se seholo le thepa ea tsona ea 'mele.Senepe sa sebopeho se seholo sa likhopo tsa 2/2 ho fihla ho 195 cm x 50 cm.b SEM setšoantšo sa 2/2 weft pattern e nang le PVDF weft e le 'ngoe e kopantsoeng le li-base tse peli tsa PET.c Modulus le khatello nakong ea khefu masela a fapa-fapaneng a nang le 1/1, 2/2 le 3/3 weft edges.d ke angle e leketlileng e lekantsoeng bakeng sa lesela.© Kim, DB, Han, J., Sung, SM, Kim, MS, Choi, BK, Park, SJ, Hong, H. R et al.(2022)
Mosebetsing oa hona joale, lijenereithara tsa lesela tse thehiloeng ho PVDF nanofiber filaments li hahiloe ka mokhoa o latellanang oa 50-jet electrospinning process, moo tšebeliso ea li-nozzles tse 50 e thusang ho hlahisa liphahlo tsa nanofiber ho sebelisa lebanta le tsamaisang lebanta le potolohang.Mehaho e fapaneng ea weave e entsoe ka khoele ea PET, ho kenyeletsoa 1/1 (thota), 2/2 le 3/3 likhopo tsa weft.
Mosebetsi o fetileng o tlalehile ts'ebeliso ea koporo bakeng sa ho hokahanya ha fiber ka mokhoa oa lithapo tsa koporo tse tsamaellanang holim'a meropa ea pokello ea fiber.Leha ho le joalo, mosebetsi oa hona joale o na le melamu ea koporo e bapileng e arohaneng ka lisenthimithara tse 1,5 holim'a lebanta la conveyor ho thusa ho hokahanya li-spinnerets tse thehiloeng ho litšebelisano tsa electrostatic pakeng tsa likhoele tse qosoang tse kenang le litefello tse holim'a likhoele tse khomaretsoeng ho fiber ea koporo.
Ho fapana le li-sensor tsa capacitive kapa piezoresistive tse hlalositsoeng pele, mochine oa khatello ea lithane tse hlahisitsoeng pampiring ena o arabela ho mefuta e mengata ea matla a ho kenya ho tloha 0.02 ho ea ho 694 Newtons.Ho phaella moo, mochine oa khatello ea lesela o reriloeng o ile oa boloka 81.3% ea tlhahiso ea eona ea pele ka mor'a ho hlatsoa ho tloaelehileng ka makhetlo a mahlano, e leng se bontšang ho tšoarella ha mochine oa khatello.
Ntle le moo, litekanyetso tsa sensitivity tse lekolang matla a motlakase le liphetho tsa hajoale tsa 1/1, 2/2, le 3/3 likhopo li bonts'itse kutlo e phahameng ea voltage ea 83 le 36 mV/N ho 2/2 le 3/3 ea likhopo.Li-sensor tsa 3 tsa weft li bonts'itse 245% le 50% e phahameng ea kutloisiso bakeng sa li-sensor tsena tsa khatello, ka ho latellana, ha li bapisoa le 24 mV / N weft pressure sensor 1/1.
Raese.3. Ts'ebeliso e atolositsoeng ea sensor ea khatello e felletseng ea lesela.mohlala oa sensor ea khatello ea insole e entsoeng ka lesela la 2/2 weft ribbed le kentsoeng tlas'a li-electrode tse peli tse chitja ho lemoha pele (ka tlase ho menoana) le ho sisinyeha ha serethe.b Boemeli ba moralo oa mohato o mong le o mong oa mehato ea motho ka mong tseleng ea ho tsamaea: ho theoha serethe, ho theola fatše, ho kopana le menoana le ho phahamisa leoto.c Lipontšo tsa tlhahiso ea motlakase ho arabela karolo e 'ngoe le e' ngoe ea mohato oa ho tsamaea bakeng sa tlhahlobo ea ho tsamaea le d Matšoao a matla a motlakase a amanang le mohato o mong le o mong oa ho tsamaea.e Schematic of full tissue pressure sensor e nang le letoto la lisele tsa pixel tse kgutlonnetse tse 12 tse nang le mela e tsamaisang e etselitsoeng ho bona mats'oao a motho ka mong ho tsoa pixel ka 'ngoe.f 'Mapa oa 3D oa lets'oao la motlakase le hlahisoang ka ho tobetsa monoana ho pixel ka 'ngoe.g Letshwao la motlakase le fumanwa feela pikisetsong e hatisitsweng ka monwana, mme ha ho letshwao le ka thoko le hlahiswang ka dipikselse tse ding, ho netefatsa hore ha ho na crosstalk.© Kim, DB, Han, J., Sung, SM, Kim, MS, Choi, BK, Park, SJ, Hong, H. R et al.(2022)
Qetellong, phuputso ena e bonts'a mochine o nang le kutloelo-bohloko haholo le o apereng oa khatello ea mesifa e kenyelletsang PVDF nanofiber piezoelectric filaments.Li-sensor tsa khatello tse entsoeng li na le matla a mangata a ho kenya letsoho ho tloha ho 0,02 ho ea ho 694 Newtons.
Ho ile ha sebelisoa li-nozzles tse mashome a mahlano mochining o le mong oa mohlala o ohiang oa motlakase, 'me ho ile ha hlahisoa 'mete o tsoelang pele oa li-nanofibers ho sebelisoa mochini o tsamaisang thepa o thehiloeng holim'a melamu ea koporo.Tlas'a khatello ea nakoana, lesela le entsoeng la 2/2 weft hem le bonts'itse kutlo ea 83 mV/N, e ka bang 245% holimo ho lesela la 1/1 weft hem.
Li-sensor tsa khatello tse lohiloeng tsohle li lekola matšoao a motlakase ka ho li tsamaisa ka metsamao ea fisioloji, ho kenyelletsa ho sotha, ho kobeha, ho petetsa, ho matha le ho tsamaea.Ho phaella moo, litekanyo tsena tsa khatello ea lesela li bapisoa le masela a tloaelehileng ho latela ho tšoarella, ho boloka hoo e ka bang 81.3% ea lihlahisoa tsa bona tsa pele esita le ka mor'a ho hlatsoa ha 5.Ho phaella moo, mochine o entsoeng ka lisele o sebetsa hantle tsamaisong ea tlhokomelo ea bophelo ka ho hlahisa matšoao a motlakase ho latela likarolo tse tsoelang pele tsa ho tsamaea ha motho.
Kim, DB, Han, J., Sung, SM, Kim, MS, Choi, BK, Park, SJ, Hong, HR, et al.(2022).Lesela la piezoelectric khatello ea maikutlo e thehiloeng ho electrospun polyvinylidene fluoride nanofibers e nang le li-nozzles tse 50, ho itšetlehile ka mokhoa oa ho loha.Flexible electronics npj.https://www.nature.com/articles/s41528-022-00203-6.
Boitlhotlhollo: Maikutlo a hlahisitsoeng mona ke a sengoli ka boemo ba hae, 'me ha a hlile ha a bontše maikutlo a AZoM.com Limited T/A AZoNetwork, mong'a sebaka sena sa marang-rang.Tlhaloso ena ke karolo ea lipehelo tsa tšebeliso ea sebaka sena sa marang-rang.
Bhavna Kaveti ke sengoli sa mahlale ho tsoa Hyderabad, India.O tšoere MSc le MD ho tsoa Setsing sa Theknoloji sa Vellore, India.ka k'hemistri ea manyolo le ea bongaka ho tsoa Univesithing ea Guanajuato, Mexico.Mosebetsi oa hae oa lipatlisiso o amana le nts'etsopele le motsoako oa limolek'hule tsa bioactive tse thehiloeng ho li-heterocycles, 'me o na le phihlelo ea ho kopanya mehato e mengata le ea likarolo tse ngata.Nakong ea lipatlisiso tsa hae tsa bongaka, o sebelitse ho kopanngoeng ha limolek'hule tse fapaneng tsa peptidomimetic tse thehiloeng ho heterocycle tse lebelletsoeng ho ba le monyetla oa ho ntšetsa pele ts'ebetso ea bioloji.Ha a ntse a ngola lipampiri le lipampiri tsa lipatlisiso, o ile a hlahloba lerato la hae la ho ngola le ho buisana ka saense.
Cavity, Buffner.(Phato 11, 2022).Sensor e felletseng ea khatello ea lesela e etselitsoeng tlhahlobo ea bophelo bo botle e ka roaloang.Azonano.E khutlisitsoe ka la 21 Mphalane 2022 ho tsoa ho https://www.azonano.com/news.aspx?newsID=39544.
Cavity, Buffner."Sensor ea khatello ea methapo eohle e etselitsoeng ho lekola bophelo bo botle".Azonano.La 21 Mphalane 2022.La 21 Mphalane 2022.
Cavity, Buffner."Sensor ea khatello ea methapo eohle e etselitsoeng ho lekola bophelo bo botle".Azonano.https://www.azonano.com/news.aspx?newsID=39544.(Ho tloha ka la 21 Mphalane 2022).
Cavity, Buffner.2022. Sensor ea khatello ea masela ohle e etselitsoeng tlhahlobo ea bophelo bo botle e ka roaloang.AZoNano, e fihletsoe ka la 21 Mphalane 2022, https://www.azonano.com/news.aspx?newsID=39544.
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