Maganin Vitamin C yana inganta kwanciyar hankali na ƙwayoyin hasken rana da ba su juye ba

Tawagar masu bincike daga Jami'ar Kudancin Denmark (SDU) sun nemi su dace da ci gaban da ake samu a cikin ingantaccen canjin wutar lantarki don ƙwayoyin hasken rana (OPV) da aka yi da su.Mai karɓa ba Fullerene (NFA)kayan da kwanciyar hankali inganta.

Ƙungiyar ta zaɓi ascorbic acid, wanda aka fi sani da bitamin C, kuma sun yi amfani da shi azaman layin wucewa tsakanin zinc oxide (ZnO) electron transport Layer (ETL) da kuma hoton hoto na a cikin sel NFA OPV da aka ƙera tare da tari mai jujjuyawar na'urar da polymer semiconducting (PBDB-T: IT-4F).

Masanan sun gina tantanin halitta tare da Layer indium tin oxide (ITO), ZnO ETL, bitamin C Layer, PBDB-T: IT-4F absorber, molybdenum oxide (MoOx) mai ɗaukar hoto, da azurfa (Ag). ) karfe lamba.

Kungiyar ta gano cewa ascorbic acid yana haifar da sakamako mai daidaitawa, yana ba da rahoton cewa aikin antioxidant yana rage matakan lalata da ke tasowa daga fallasa zuwa oxygen, haske da zafi. Gwaje-gwaje, irin su ultraviolet-visible absorption, impedance spectroscopy, ƙarfin lantarki mai dogaro da haske da ma'aunin yau da kullun, sun kuma bayyana cewa bitamin C yana rage ɗaukar hoto na ƙwayoyin NFA kuma yana hana sake haɗuwa da cajin, in ji binciken.

Binciken su ya nuna cewa, bayan sa'o'i 96 na ci gaba da lalata hoto a karkashin 1 Sun, na'urorin da aka rufe da ke dauke da bitamin C interlayer sun riƙe 62% na ƙimar su na asali, tare da na'urorin tunani suna riƙe da 36% kawai.

Sakamakon ya kuma nuna cewa samun kwanciyar hankali bai zo da tsadar inganci ba. Na'urar zakara ta sami ingantaccen juzu'in juzu'i na 9.97 %, wutar lantarki mai buɗewa na 0.69 V, ƙarancin kewayawa na yanzu na 21.57 mA/cm2, da ma'aunin cikawa na 66%. Na'urorin nunin da ba su ƙunshi bitamin C ba, sun nuna ingancin 9.85%, ƙarfin wutar lantarki mai buɗewa na 0.68V, gajeriyar kewayawa na 21.02 mA/cm2, da ma'aunin ciko na 68%.

Lokacin da aka tambaye shi game da yuwuwar kasuwanci da haɓakawa, Vida Engmann wanda ke jagorantar ƙungiya a gidanCibiyar Advanced Photovoltaics da Na'urorin Makamashi Na Fim (SDU CAPE), ya gaya wa mujallar pv, "Na'urorinmu a cikin wannan gwajin sun kasance 2.8 mm2 da 6.6 mm2, amma ana iya haɓaka su a cikin dakin gwaje-gwajenmu na roll-to-roll a SDU CAPE inda muke ƙirƙira samfuran OPV akai-akai kuma."

Ta jaddada cewa za a iya ƙaddamar da hanyar masana'antu, inda ta nuna cewa tsaka-tsakin tsaka-tsakin shine "mai tsada mai tsada wanda ke narkewa a cikin abubuwan da aka saba da shi, don haka ana iya amfani da shi a cikin tsarin suturar da aka yi da shi kamar sauran yadudduka" OPV cell.

Engmann yana ganin yuwuwar abubuwan ƙari fiye da OPV a cikin wasu fasahohin tantanin halitta na ƙarni na uku, irin su perovskite sel na hasken rana da ƙwayoyin hasken rana mai rini (DSSC). "Sauran fasahohin na'ura mai kwakwalwa / matasan da suka danganci semiconductor, irin su DSSC da perovskite solar cell, suna da batutuwan kwanciyar hankali kamar kwayoyin hasken rana, don haka akwai kyakkyawar damar da za su iya taimakawa wajen magance matsalolin kwanciyar hankali a cikin waɗannan fasahohin kuma," in ji ta.

An gabatar da tantanin halitta a cikin takarda "Vitamin C don Ɗaukar Hoto-Stable Non-fullerene-Masu Karɓi-Tsarin Kwayoyin Solar Kwayoyin Halitta,” da aka buga aAbubuwan Mu'amalar Material ACS.Marubucin farko na takarda shine Sambathkumar Balasubramanian na SDU CAPE. Ƙungiyar ta haɗa da masu bincike daga SDU da Jami'ar Rey Juan Carlos.

Neman gaba ƙungiyar tana da tsare-tsare don ƙarin bincike kan hanyoyin kwantar da hankali ta amfani da abubuwan da ke faruwa a zahiri. "A nan gaba, za mu ci gaba da bincike ta wannan hanya," in ji Engmann yayin da yake magana akan bincike mai ban sha'awa game da sabon nau'in antioxidants.