Overview of the latest issue of Angewandte Chemie

Angewandte Chemie 4/2020: Unconventional Routes

2D Heterostructures for Smaller Transistors
Impact-ionization transistors (IITs) based on a nanoscale vertical graphene/black phosphorus/indium selenide material

Redox- and State-Switching Copper Gel
Reversible photoreduction and oxidation switch between three copper oxidation states

Most Accessed Articles: December 2019
Highlights from ChemPubSoc Europe, ACES, and GDCh journals

New Blue Pigments with Reduced Content of Harmful Cobalt
"Hibonite blues" have intense, tunable colors

Bacteria Turn Soft Matrix into a Living Building Material
Cyanobacteria turn carbon dioxide into carbonate and create stable materials

Imprinted Color Patterns
Azopolymer material allows light-assisted imprinting of nanostructures

Different Chromophores in a Single Molecule Take Turns
Soft organic crystals with full‐color tunability

Multifunctional Hybrid Aerogel Films
Carbon nanotubes, aramid nanofibers, and a fluorocarbon resin give a self-cleaning, conductive, lightweight material

New Type of Glass Discovered
Entangled ring molecules turn polymers into a novel glass