Effects of Al doping on the morphology of ZnO nanowires and the properties of dye-sensitized solar cells

• Autorzy: Wang Yanxiang , Li Jing , Sun Jing

Warianty tytułu

PL

Wpływ domieszkowania Al na morfologię nanodrutów ZnO i właściwości ogniw słonecznych uświatłoczulonych barwnikiem

• Języki publikacji: EN

Abstrakty

EN

ZnO nanowire photoanodes were prepared by a simple chemical bath method. The influence of doping Al into ZnO seed layer, dipping times of seed layers and the growth times of ZnO nanowires on the morphology of ZnO nanowires and photoelectric performance of dye-sensitized solar cells were mainly investigated. The results showed that when the ZnO seed layer was doped with 9 at.% Al, both dipping times of seed layer solution and growth times of films were 9; ZnO photoanodes with nanowires and nanosheets composite structure were obtained. The length of the ZnO nanowires reached about 15μm. The power conversion efficiency, open circuit voltage, short-circuit photocurrent density and fill factor of the corresponding cells were 2.36%, 0.66 V, 5.28 mA•cm-2, and 0.62, respectively.

PL

Fotoanody zbudowane z nanodrutów ZnO zostały przygotowane prostą metodą kąpieli chemicznej. Badano głównie wpływ domieszkowania Al warstwy zarodkowej ZnO, czasu zanurzenia warstw zarodkowych i czasu wzrostu nanodrutów ZnO na morfologię nanodrutów ZnO i parametry fotoelektryczne ogniw słonecznych uświatłoczulonych barwnikiem. Wyniki pokazały, że gdy warstwa zaszczepiająca ZnO była domieszkowana 9% at. Al, zarówno czasy zanurzania w roztworze zaszczepiającym warstwę, jak i czasy wzrostu filmów wynosiły 9; otrzymano wówczas fotoanody ZnO z nanodrutami i strukturą kompozytową nanoskładników. Długość nanodrutów ZnO osiągnęła około 15 μm. Efektywność konwersji mocy, napięcie w obwodzie otwartym, gęstość zwarciowa fotoprądu i współczynnik wypełnienia odpowiednich ogniw wynosiły odpowiednio 2,36%, 0,66 V, 5,28 mA•cm-2 i 0,62.

Słowa kluczowe

EN

dye-sensitized solar cells DSSCs; ZnO nanowires; photoanode; chemical bath; power conversion efficiency

PL

ogniwa słoneczne uświatłoczulone barwnikiem DSSCs; nanodruty ZnO; fotoanoda; kąpiel chemiczna; wydajność konwersji mocy

• Wydawca: Polskie Towarzystwo Ceramiczne
• Czasopismo: Materiały Ceramiczne
• Rocznik: 2019
• Tom: T. 71, nr 4
• Strony: 334--340
• Opis fizyczny: Bibliogr. 23 poz., rys., tab.

Twórcy

autor

Wang Yanxiang

• Department of Material Science and Engineering, Jingdezhen Ceramic Institute, Jingdezhen, China, 333403

autor

Li Jing

• Department of Material Science and Engineering, Jingdezhen Ceramic Institute, Jingdezhen, China, 333403

autor

Sun Jing

• Department of Material Science and Engineering, Jingdezhen Ceramic Institute, Jingdezhen, China, 333403

Bibliografia

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Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).