M1-xSb1-ySδ (M = Ni, Cu, Co) ternary metal sulfides: Emerging candidates for <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.svg"><mml:mrow><mml:msubsup><mml:mrow><mml:mi mathvariant="bold-italic">I</mml:mi></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow><mml:mo>-</mml:mo></mml:msubsup></mml:mrow></mml:math> reduction in bifacial dye-sensitized solar cells

I. John Peter, N. Rajamanickam, V. Ragavendran, Jeyanthinath Mayandi, P. Nithiananthi