2.5 Halide Perovskite Tandem Solar Cells

Teodor K. Todorov Oki Gunawan and Supratik Guha

IBM T.J. Watson Research Center, Department of Physical Science, 1101 Route 134 Kitchawan Road, Yorktown Heights, NY, 10598, USA

2.5.1 Introduction

The current solar energy landscape is changing faster than ever. Commercial photovoltaic (PV) module prices are rapidly dropping, exceeding by far the targets of $1/Wp that were considered aggressive even a few years ago [1]. Complete PV installations are attaining grid parity in many places – signaling the advent of a new era of consumer‐driven renewable energy expansion. Land, inverters, frames, installation, and other auxiliary expenses today dominate PV system costs – consequently, the main ...

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