Helga Wietasch

Highly Efficient Solar Cells using TiO₂ Nanotube Arrays Sensitized with a Donor-Antenna Dye

Karthik Shankar, Jayasundera Bandara, Maggie Paulose et al. · Nano Letters · 2008 · 274 citations

Natural Sciences, Materials Engineering, Materials Science +17

Highly Efficient Solid‐State Dye‐Sensitized TiO₂ Solar Cells Using Donor‐Antenna Dyes Capable of Multistep Charge‐Transfer Cascades

C. Karthikeyan, Helga Wietasch, Mukundan Thelakkat · Advanced Materials · 2007 · 185 citations

Natural Sciences, Chemistry, Materials Science +17

Reducing charge recombination losses in solid state dye sensitized solar cells: the use of donor–acceptor sensitizer dyes

Samantha Handa, Helga Wietasch, Mukundan Thelakkat et al. · Chemical Communications · 2007 · 87 citations

Natural Sciences, Materials Engineering, Materials Science +17

Highly efficient solid-state dye-sensitized TiO2 solar cells via control of retardation of recombination using novel donor-antenna dyes

C. Karthikeyan, Katja Peter, Helga Wietasch et al. · Solar Energy Materials and Solar Cells · 2006 · 64 citations

Natural Sciences, Materials Engineering, Materials Science +12

Dual-functional materials for interface modifications in solid-state dye-sensitised TiO2 solar cells

Katja Peter, Helga Wietasch, Bin Peng et al. · Applied Physics A · 2004 · 44 citations

Natural Sciences, Materials Engineering, Materials Science +14