Masana kimiyyar lissafi a Jami'ar ITMO sun gano wata sabuwar hanya ta amfani da kayan aiki masu haske a cikinƙwayoyin hasken ranayayin da suke ci gaba da inganta ingancinsu. Sabuwar fasahar ta dogara ne akan hanyoyin yin amfani da doping, waɗanda ke canza halayen kayan aiki ta hanyar ƙara ƙazanta amma ba tare da amfani da kayan aiki na musamman masu tsada ba.

An buga sakamakon wannan binciken a cikin ACSAApplied Materials & Interfaces ("Ƙananan ƙwayoyin ion-gated OPVs: Interfacial doping of charge collectors and transport layers").

Ɗaya daga cikin ƙalubalen da suka fi jan hankali a fannin makamashin rana shine ƙirƙirar kayan da ke da siraran haske masu haske. Ana iya amfani da fim ɗin a saman tagogi na yau da kullun don samar da makamashi ba tare da shafar bayyanar ginin ba. Amma ƙirƙirar ƙwayoyin hasken rana waɗanda ke haɗa ingantaccen aiki tare da ingantaccen watsa haske yana da matuƙar wahala.

Kwayoyin hasken rana na yau da kullun masu siririn fim suna da alaƙar baya mai kama da ƙarfe wanda ke ɗaukar ƙarin haske. Kwayoyin hasken rana masu haske suna amfani da na'urorin lantarki masu watsa haske. A wannan yanayin, wasu na'urorin lantarki na baya ba makawa suna ɓacewa yayin da suke wucewa ta ciki, wanda ke ɓata aikin na'urar. Bugu da ƙari, samar da na'urar lantarki ta baya tare da halaye masu dacewa na iya zama tsada sosai," in ji Pavel Voroshilov, wani mai bincike a Makarantar Lissafi da Injiniya ta Jami'ar ITMO.

Ana magance matsalar ƙarancin inganci ta hanyar amfani da maganin hana shan ƙwayoyi. Amma tabbatar da cewa an shafa ƙazanta daidai a kan kayan yana buƙatar hanyoyi masu rikitarwa da kayan aiki masu tsada. Masu bincike a Jami'ar ITMO sun gabatar da wata fasaha mai rahusa don ƙirƙirar allunan hasken rana "marasa ganuwa" - wanda ke amfani da ruwa mai ionic don shafa kayan, wanda ke canza halayen yadudduka da aka sarrafa.

"Don gwaje-gwajenmu, mun ɗauki ƙaramin ƙwayar hasken rana mai tushen ƙwayoyin halitta kuma muka haɗa ta da nanotubes a kai. Na gaba, mun yi amfani da ƙofar ion. Mun kuma sarrafa layin jigilar kaya, wanda ke da alhakin yin cajin daga layin aiki ya isa ga electrode cikin nasara. Mun sami damar yin wannan ba tare da ɗakin injin ba kuma muna aiki a ƙarƙashin yanayin yanayi. Abin da kawai za mu yi shi ne sauke wani ruwa na ionic sannan mu sanya ɗan ƙarfin lantarki don samar da aikin da ake buƙata." in ji Pavel Voroshilov.

A lokacin da suke gwada fasaharsu, masana kimiyya sun sami damar ƙara ingancin batirin sosai. Masu binciken sun yi imanin cewa za a iya amfani da wannan fasahar don inganta aikin wasu nau'ikan ƙwayoyin hasken rana. Yanzu suna shirin yin gwaji da kayayyaki daban-daban da kuma inganta fasahar yin amfani da doping kanta.