Hoʻohana mākou i nā kuki e hoʻomaikaʻi i kou ʻike.Ma ka hoʻomau ʻana i ka nānā ʻana i kēia pūnaewele, ʻae ʻoe i kā mākou hoʻohana ʻana i nā kuki.ʻIke hou aku.
Hiki i nā mea ʻike puʻupuʻu hiki ke kōkua i ka nānā ʻana i ke olakino kanaka a ʻike i ka pilina kanaka me ka kamepiula.Ke hoʻomau nei ka hoʻoikaika ʻana i ka hana ʻana i nā mea ʻike puʻupuʻu me ka hoʻolālā ʻana o nā mea āpau a me ka ʻike kiʻekiʻe i ke koʻikoʻi mechanical.
Haʻawina: Uli ke kumu i hilinaʻi i ka textile piezoelectric pressure transducer ma muli o electrospun polyvinylidene fluoride nanofibers me 50 nozzles.Loaʻa Kiʻi: African Studio/Shutterstock.com
He ʻatikala i paʻi ʻia ma ka puke pai npj Flexible Electronics e hōʻike ana i ka hana ʻana i nā transducers piezoelectric pressure no nā lole me ka polyethylene terephthalate (PET) warp yarns a me ka polyvinylidene fluoride (PVDF) weft yarns.Hōʻike ʻia ka hana ʻana o ka mea ʻike kaomi i hoʻomohala ʻia e pili ana i ke ana kaomi ma muli o ke ʻano ulana ma kahi ʻāpana lole ma kahi o 2 mika.
Hōʻike nā hualoaʻa he 245% kiʻekiʻe ka naʻau o kahi sensor kaomi i hoʻohana ʻia me ka hoʻolālā canard 2/2 ma mua o ka hoʻolālā canard 1/1.Eia kekahi, ua hoʻohana ʻia nā mea hoʻokomo like ʻole e loiloi i ka hana o nā lole i hoʻopaʻa ʻia, e like me ka flexion, squeezing, wrinkling, twisting, a me nā ʻano hana kanaka.Ma kēia hana, hōʻike ʻia kahi mea ʻike puʻe kiʻekiʻe me kahi pūʻulu pixel sensor i nā hiʻohiʻona perceptual paʻa a me ka ʻike kiʻekiʻe.
Laiki.1. Hoʻomākaukau i nā kaula PVDF a me nā lole multifunctional.he kiʻikuhi o ke kaʻina hana electrospinning 50-nozzle i hoʻohana ʻia no ka hana ʻana i nā moena aligned o nā nanofibers PVDF, kahi i kau ʻia ai nā koʻokoʻo keleawe ma ke kāʻei conveyor, a ʻo nā ʻanuʻu e hoʻomākaukau i ʻekolu mau hale wili mai nā filament monofilament ʻehā.b kiʻi SEM a me ka māhele anawaena o nā PVDF i hoʻopaʻa ʻia.c kiʻi SEM o kahi wili ʻehā.d ʻO ka ikaika a me ke kānana i ka haki ʻana o kahi wili ʻehā ma ke ʻano he wili.e ʻO ke ʻano hoʻoheheʻe X-ray o kahi wili ʻehā ʻāpana e hōʻike ana i ke alo o nā pae alpha a me ka beta.© Kim, DB, Han, J., Sung, SM, Kim, MS, Choi, BK, Paka, SJ, Hong, H. R et al.(2022)
ʻO ka hoʻomohala wikiwiki ʻana o nā lopako akamai a me nā mea uila hiki ke hoʻohana ʻia i hoʻokumu ʻia i nā mea hou he nui e pili ana i nā mea ʻike kaomi maʻalahi, a ke ulu wikiwiki nei kā lākou noi i ka uila, ʻoihana, a me nā lāʻau lapaʻau.
ʻO ka piezoelectricity kahi uku uila i hana ʻia ma luna o kahi mea i kau ʻia i ke koʻikoʻi mechanical.ʻO ka piezoelectricity i nā mea asymmetric e hiki ai i kahi pilina reversible linear ma waena o ke koʻikoʻi mechanical a me ka uku uila.No laila, ke hoʻololi kino ʻia kahi ʻāpana piezoelectric, hana ʻia kahi uku uila, a ʻo ia hoʻi.
Hiki i nā mea Piezoelectric ke hoʻohana i kahi kumu mīkini manuahi e hāʻawi i kahi kumu mana ʻē aʻe no nā mea uila e pau ai ka mana liʻiliʻi.ʻO ke ʻano o ka mea a me ke ʻano o ka hāmeʻa nā ʻāpana koʻikoʻi no ka hana ʻana o nā mea paʻi e pili ana i ka hoʻopili electromechanical.Ma waho aʻe o nā mea hoʻonaninani kiʻekiʻe, ua ʻimi pū ʻia nā mea kūlohelohe mechanically flexible i nā mea hiki ke komo.
ʻO nā polymers i hana ʻia i nanofibers e nā ʻano electrospinning e hoʻohana nui ʻia e like me nā mea mālama ikehu piezoelectric.Piezoelectric polymer nanofibers e hoʻomaʻamaʻa i ka hana ʻana i nā hale hoʻolālā e pili ana i ka lole no nā noi hiki ke hoʻohana ʻia ma o ka hāʻawi ʻana i ka hanauna electromechanical e pili ana i ka elasticity mechanical i nā ʻano kaiapuni.
No kēia kumu, hoʻohana nui ʻia nā polymers piezoelectric, me ka PVDF a me kāna mau derivatives, nona ka piezoelectricity ikaika.Ua huki ʻia kēia mau PVDF fibers a wili ʻia i loko o nā lole no nā noi piezoelectric me nā sensor a me nā mea hana.
Kiʻi 2. Nā ʻiʻo ʻāpana nui a me ko lākou mau waiwai kino.Paʻi kiʻi o kahi ʻano iwi iwi 2/2 nui a hiki i 195 knm x 50 knm.b kiʻi SEM o kahi ʻano weft 2/2 me hoʻokahi weft PVDF i hui pū ʻia me ʻelua kumu PET.c Modulus a kānana i ka haki ʻana i nā lole like ʻole me nā ʻaoʻao weft 1/1, 2/2 a me 3/3.ʻO d ka huina e kau ana no ka lole.© Kim, DB, Han, J., Sung, SM, Kim, MS, Choi, BK, Paka, SJ, Hong, H. R et al.(2022)
Ma ka hana o kēia manawa, kūkulu ʻia nā mea hana lole e pili ana i nā filament nanofiber PVDF me ka hoʻohana ʻana i ke kaʻina hana electrospinning 50-jet, kahi e hoʻohana ai i nā nozzles 50 e hoʻomaʻamaʻa i ka hana ʻana i nā moena nanofiber me ka hoʻohana ʻana i ke kāʻei conveyor kāʻei.Hana ʻia nā ʻano ulana like ʻole me ka wili PET, me nā iwi ʻaoʻao 1/1 (plain), 2/2 a me 3/3 weft.
Ua hōʻike ka hana mua i ka hoʻohana ʻana i ke keleawe no ka hoʻoponopono ʻana i ka fiber ma ke ʻano o nā uea keleawe i hoʻopaʻa ʻia ma nā pahu hōʻiliʻili fiber.Eia nō naʻe, ʻo ka hana i kēia manawa he mau koʻokoʻo keleawe like ʻole i hoʻokaʻawale ʻia ma kahi kāʻei conveyor e kōkua i ka hoʻohālikelike ʻana i nā spinnerets e pili ana i ka pilina electrostatic ma waena o nā fibers i hoʻopaʻa ʻia a me nā uku ma ka ʻili o nā fibers i hoʻopili ʻia i ka fiber keleawe.
ʻAʻole e like me nā mea i hōʻike mua ʻia i ka capacitive a i ʻole piezoresistive sensor, ʻo ka ʻiʻo kaomi kaomi i manaʻo ʻia ma kēia pepa e pane i kahi ākea o nā pūʻali hoʻokomo mai 0.02 a 694 Newtons.Eia kekahi, ua paʻa ka 81.3% o kāna mea i hoʻokomo mua ʻia ma hope o ka holoi ʻana maʻamau ʻelima, e hōʻike ana i ka lōʻihi o ka sensor kaomi.
Eia kekahi, ʻo nā helu sensitivity e loiloi ana i ka volta a me nā hopena o kēia manawa no ka 1/1, 2/2, a me 3/3 rib knitting i hōʻike i ka naʻau voli kiʻekiʻe o 83 a me 36 mV/N i 2/2 a me 3/3 rib kaomi.Ua hōʻike ʻo 3 weft sensor i ka 245% a me 50% kiʻekiʻe o ka naʻau no kēia mau mea ʻike kaomi, i hoʻohālikelike ʻia me ka 24 mV/N weft pressure sensor 1/1.
Laiki.3. Hoʻonui i ka noi o ka mīkini paʻi lole piha.He laʻana o kahi mea ʻike puʻe insole i hana ʻia me 2/2 weft ribbed lole i hoʻokomo ʻia ma lalo o ʻelua mau electrodes pōʻai e ʻike i ka wāwae mua (ma lalo o nā manamana wāwae) a me ka neʻe ʻana o ka kuʻekuʻe wāwae.b He hōʻike hoʻohālike o kēlā me kēia pae o kēlā me kēia ʻanuʻu i ke kaʻina hele wāwae: pae kuʻekuʻe wāwae, hoʻopaʻa ʻia, hoʻopaʻa wāwae a me ka hāpai wāwae.c Nā hōʻailona hoʻopuka uila ma ka pane ʻana i kēlā me kēia ʻāpana o ka ʻanuʻu hele no ka nānā ʻana i ka hele ʻana a me nā hōʻailona uila i hoʻonui ʻia e pili ana i kēlā me kēia māhele o ka hele ʻana.e Hoʻolālā ʻia o kahi mea ʻike paʻi ʻiʻo piha me kahi ʻāpana a hiki i 12 mau ʻāpana pika ʻehā me nā laina conductive i hoʻohālikelike ʻia e ʻike i nā hōʻailona pākahi mai kēlā me kēia pika.f He palapala 'āina 3D o ka hōʻailona uila i hana ʻia ma ke kaomi ʻana i kahi manamana lima ma kēlā me kēia pika.g ʻIke ʻia ka hōʻailona uila ma ka pika i kaomi manamana lima, a ʻaʻohe hōʻailona ʻaoʻao i hana ʻia ma nā pika ʻē aʻe, e hōʻoia ana ʻaʻohe crosstalk.© Kim, DB, Han, J., Sung, SM, Kim, MS, Choi, BK, Paka, SJ, Hong, H. R et al.(2022)
I ka hopena, hōʻike kēia haʻawina i kahi mea ʻike paʻi koʻikoʻi koʻikoʻi a hiki ke hoʻohana ʻia e hoʻopili ana i nā filaments piezoelectric PVDF nanofiber.Loaʻa i nā mea ʻike puʻe i hana ʻia he ʻano nui o nā mana hoʻokomo mai 0.02 a 694 Newtons.
Ua hoʻohana ʻia he 50 nozzles ma ka mīkini wili uila prototype, a ua hana ʻia kahi moena mau o nā nanofibers me ka hoʻohana ʻana i kahi mea hoʻoili puʻupuʻu e pili ana i nā koʻokoʻo keleawe.Ma lalo o ka hoʻoemi manawaleʻa, ua hōʻike ka lole 2/2 weft hem i ka naʻau o 83 mV/N, aia ma kahi o 245% kiʻekiʻe ma mua o ka lole weft hem 1/1.
ʻO nā mea i ulana ʻia i manaʻo ʻia e nānā i nā hōʻailona uila ma ke kau ʻana iā lākou i nā neʻe physiological, e like me ka wili, kulou, ʻomi, holo a hele.Eia kekahi, ua hoʻohālikelike ʻia kēia mau mīkini paʻi lole i nā lole maʻamau ma ke ʻano o ka lōʻihi, e paʻa ana ma kahi o 81.3% o kā lākou hua mua ma hope o 5 holoi maʻamau.Eia kekahi, ʻoi aku ka maikaʻi o ka sensor tissue i hana ʻia i ka ʻōnaehana olakino ma o ka hana ʻana i nā hōʻailona uila e pili ana i nā ʻāpana mau o ka hele ʻana o ke kanaka.
Kim, DB, Han, J., Sung, SM, Kim, MS, Choi, BK, Pāka, SJ, Hong, HR, a me nā mea ʻē aʻe.(2022).Ka lole piezoelectric pressure sensor ma muli o electrospun polyvinylidene fluoride nanofibers me 50 nozzles, ma muli o ke kumu ulana.Mea uila hikiwawe npj.https://www.nature.com/articles/s41528-022-00203-6.
Hoʻokaʻawale: ʻO nā manaʻo i hōʻike ʻia ma aneʻi ʻo ia ka manaʻo o ka mea kākau ma kona ʻano pilikino a ʻaʻole pono e hōʻike i nā manaʻo o AZoM.com Limited T/A AZoNetwork, ka mea nona a me ka mea hoʻokele o kēia pūnaewele.ʻO kēia ʻae ʻana he ʻāpana o nā ʻōlelo o ka hoʻohana ʻana i kēia pūnaewele.
He mea kākau ʻepekema ʻo Bhavna Kaveti mai Hyderabad, India.Loaʻa iā ia ka MSc a me MD mai ka Vellore Institute of Technology, India.i ke kemika lāʻau a me ka lāʻau lapaʻau mai ke Kulanui o Guanajuato, Mekiko.ʻO kāna hana noiʻi e pili ana i ka hoʻomohala ʻana a me ka synthesis o nā moleke bioactive e pili ana i nā heterocycles, a ua loaʻa iā ia ka ʻike ma ka multi-step and multi-component synthesis.I ka wā o kāna noiʻi kauka, ua hana ʻo ia i ka synthesis o nā ʻano molekole peptidomimetic heterocycle i hoʻopaʻa ʻia a hoʻohui ʻia i manaʻo ʻia e loaʻa i ka hiki ke hana hou i ka hana biological.ʻOiai ʻo ia e kākau ana i nā dissertation a me nā pepa noiʻi, ua ʻimi ʻo ia i kona makemake no ka kākau ʻepekema a me ka kamaʻilio.
Cavity, Buffner.(ʻAukake 11, 2022).Ua hoʻolālā ʻia ka mīkini paʻi lole piha no ka nānā ʻana i ke olakino hiki ke hoʻohana.AZonano.Ua kiʻi ʻia ma ʻOkakopa 21, 2022 mai https://www.azonano.com/news.aspx?newsID=39544.
Cavity, Buffner."He mea ʻike puʻupuʻu āpau āpau i hoʻolālā ʻia no ka nānā ʻana i ke olakino hiki ke hoʻohana ʻia".AZonano.ʻOkakopa 21, 2022.ʻOkakopa 21, 2022.
Cavity, Buffner."He mea ʻike puʻupuʻu āpau āpau i hoʻolālā ʻia no ka nānā ʻana i ke olakino hiki ke hoʻohana ʻia".AZonano.https://www.azonano.com/news.aspx?newsID=39544.(Ma ʻOkakopa 21, 2022).
Cavity, Buffner.2022. ʻO ka mīkini paʻi lole lole a pau i hoʻolālā ʻia no ka nānā ʻana i ke olakino hiki ke hoʻohana.AZoNano, loaʻa i ka 21 ʻOkakopa 2022, https://www.azonano.com/news.aspx?newsID=39544.
Ma kēia nīnauele, kamaʻilio ʻo AZoNano iā Polofesa André Nel e pili ana i kahi noiʻi hou āna i komo ai e wehewehe ana i ka hoʻomohala ʻana o kahi nanocarrier "gā aniani" hiki ke kōkua i nā lāʻau lapaʻau e komo i nā pūnaewele maʻi pancreatic.
Ma kēia nīnauele, kamaʻilio ʻo AZoNano me UC Berkeley's King Kong Lee e pili ana i kāna ʻenehana lanakila lanakila no ka Nobel, nā tweezers optical.
Ma kēia nīnauele, kamaʻilio mākou me SkyWater Technology e pili ana i ke kūlana o ka ʻoihana semiconductor, pehea ke kōkua ʻana o ka nanotechnology i ke ʻano o ka ʻoihana, a me kā lākou hui hou.
ʻO Inoveno PE-550 ka mea kūʻai maikaʻi loa i ka mīkini electrospinning / spraying no ka hana mau nanofiber.
ʻO Filmetrics R54 Mea paahana palapala kiʻi kūʻē pepa kiʻekiʻe no ka semiconductor a me nā wafers composite.