Ithimba labacwaningi baseNorth Carolina State University, abasebenza nalo i-organic photovoltaic cell (I-OPV) inkampani i-NextGen Nano, ikhombise ukuthi ukufaka ama-semi-transparent organic solar cell (OSCs) ezindaweni zokugcina izithombo kuvumela abalimi ukuthi baphehle ugesi futhi ngesikhathi esifanayo balime ulethisi, kunciphisa izimfuno zamandla abamba ukushisa. Imiphumela izobeka isisekelo sokuphehlwa kukagesi ekulinyweni okusimeme kwe-greenhouse.
Ucwaningo, olushicilelwe ku Iseli Libika Isayensi Yezomzimba, ithole ukuthi ulethisi obomvu ungatshalwa ezindlini zokugcina izithombo ezinama-OSC ahlunga ubude bamaza okukhanya okusetshenziselwa ukukhiqiza amandla elanga. Lokhu kukhombisa ukuthi kungenzeka ukusebenzisa amaphaneli elanga asobala ezindlini zokugcina izithombo ukufeza izimfuno zawo zikagesi eziphakeme, kuyilapho kunganciphisi isivuno sezitshalo.
Esikhathini esiyizinsuku ezingama-30, amaqembu amane olethisi atshalwa ngaphansi kwezinhlobonhlobo zemibala ekhanyayo kusetshenziswa izihlungi ze-OSC. Lokhu kufaka phakathi iqembu lokulawula elivezwe ku-spectrum egcwele yokukhanya okumhlophe. Awukho umehluko obalulekile esisindweni esisha noma kokuqukethwe kwe-chlorophyll phakathi kweqembu elilawulayo namaqembu okuhlola otholakele, okuphakamisa ukuthi ukususa izingxenye ezikhethiwe ze-spectrum yokukhanya okudingekayo ukuze kuphehlwe ugesi akuthikameze ukukhula kwesitshalo. Ubude begagasi obuvuniwe bungase busetshenziselwe ukunika amandla ukukhanyisa okudinga amandla amaningi, ukuphatha okushisayo kanye nezinhlelo zokunisela ezidingekayo ukuze kutshalwe i-greenhouse.
"Ama-greenhouse asetshenziselwa ukutshala izitshalo ngoba akhulisa kakhulu isivuno ezindaweni ezingezona ezomdabu, kuyilapho ehlisa ukusetshenziswa kwamanzi kanye nokusetshenziswa kwezibulala-zinambuzane uma kuqhathaniswa nokulima okuvamile," kuchaza uDokotela Carr Ho, usosayensi wocwaningo e-NextGen Nano. Kodwa i-greenhouse glazing ayinakho ukushisisa kahle kokushisa, ngakho-ke kudingeka kufakwe izinhlelo zokufudumeza nezokungenisa umoya ukuze zisize ukugcina izimo zisesimweni esifanele. Kanye nokukhanyisa okungeziwe, lokhu kuholela ekusetshenzisweni kwamandla okukhulu, okungalawuleki.
"Ngalolu cwaningo, ososayensi e-NCSU bathole indlela yokulima i-greenhouse ngaphandle kwezidingo ezinkulu zamandla ezihambisana nakho," kuqhubeka uHo. “Ngokusebenzisa ama-OSC anama-optical coating afanele kanye nezici zedizayini, abalimi bangakwazi ukuphatha ukudluliswa kokukhanya, ukukhiqizwa kukagesi kanye nemithwalo eshisayo endaweni ebamba ukushisa ukuze kukhiqizwe kakhulu ekusetshenzisweni kwamandla aphansi.
Ukusetshenziswa kwezingubo ze-DBR akunikezeli nje kuphela ithuba lokwandisa ukukhiqizwa kwamandla kodwa futhi kungasetshenziswa ukunciphisa ukushisa ngokweqile ku-greenhouse. Sibonisa ukuthi endaweni ebamba ukushisa e-Sacramento, e-California, inani lamahora i-greenhouse ishisa ngokweqile lingancishiswa lisuka ku-280 liye ku-82 h uma kusetshenziswa ama-OSC ane-DBR eshuniwe ukuze ibonise ukukhanya kwe-NIR. Nakuba lokhu kungenawo umthelela omkhulu esidingweni samandla, kulindeleke ukuthi kuthuthukiswe ukukhiqizwa kwezitshalo.
Okokugcina, ukusebenzisa ama-electrode e-OSC angaphinda asebenze njengezingubo ezine-low-ε kuboniswe ukunciphisa kakhulu umthwalo wokushisa we-greenhouse. Ukuhlanganisa umthelela omncane obonwe ekukhiqizeni kwezitshalo, kanye nokukhiqizwa kwamandla kagesi kanye nokuphathwa okushisayo okuthuthukisiwe nokusetshenziswa kwe-ST-OSC, kusikisela ukuthi ukuhlanganisa ama-OSC nezindawo ezibamba ukushisa kuyisu elithembisayo lokuzuza ezolimo ezisekelwe ku-greenhouse ezisimeme kakhulu.
“Olunye ucwaningo luyadingeka ukuze kuthuthukiswe ama-OSC akwazi ukukhulisa isivuno sokukhiqiza ezindaweni zokugcina izithombo. Kepha ucwaningo olusekelwa yi-NextGen Nano luphakamisa ukuthi ukuhlanganisa ama-OSC ekutshalweni kwe-greenhouse kuyisu elithembisayo lokufeza ezolimo ezizinzile, ezisezingeni eliphezulu.
Ngaphezu kokusekelwa kwaleli phepha, i-NextGen Nano isungule idivayisi ye-OPV enelungelo lobunikazi engasetshenziswa esizukulwaneni esilandelayo samandla elanga. Lobu buchwepheshe benziwa ngama-biopolymers aguquguqukayo, aqinile, alungele uMhlaba ngenhloso yokushintsha amaseli elanga ajwayelekile aphukayo enziwe ngezinsimbi ezinobuthi obusindayo, njengama-perovskite omthofu.
Izidingo zokukhanyisa ku-greenhouse zizoncika endaweni kanye nesitshalo. Nakuba i-lettuce ibonakala ikhula kahle ngaphansi kwe-ST-OSCs, iyaziwa njengesitshalo esibekezelela umthunzi.7 Ezitshalweni ezinezidingo zokukhanya ezinkulu, ezinye imiklamo yedivayisi ye-ST-OSC nezendlalelo ezisebenzayo zingadingeka. Indawo ebamba ukushisa izophinde ilawule imisebe yelanga yansuku zonke engena endaweni ebamba ukushisa kanye nezidingo zokushisa nokupholisa zesikhala. Kulesi sigaba, sicabangela ukucatshangelwa kwedizayini ye-ST-OSC ethinta ukukhiqizwa kwezitshalo, ukukhiqizwa kukagesi, nomthwalo oshisayo wesikhungo.
Iphepha locwaningo eliphelele liyatholakala ku-Cell Reports iwebhusayithi. Ukuze uthole ulwazi olwengeziwe mayelana nokunye ukuthuthukiswa komkhiqizo we-NextGen Nano, vakashela iwebhusayithi yenkampani http://nextgen-nano.co.uk/.