In this issue

Articles in the same Issue

1. Frontmatter
2. In this issue
3. Preface
4. Winners of the 2018 and 2019 IUPAC-SOLVAY International Award for Young Chemists
5. Invited paper
6. Maximizing the external radiative efficiency of hybrid perovskite solar cells
7. Temporal probing of excitons in organic semiconductors
8. Organic electrochromic molecules: synthesis, properties, applications and impact
9. In-situ X-ray techniques for non-noble electrocatalysts
10. Recent advances in the chemistry of bicyclo- and 1-azabicyclo[1.1.0]butanes
11. High-performance fiber-shaped lithium-ion batteries
12. IUPAC Distinguished Women in Chemistry and Chemical Engineering
13. Some interesting features of the rich chemistry around electron-deficient systems
14. My journey in academia: things not on the CV
15. IUPAC Technical Report
16. A concise guide to polymer nomenclature for authors of papers and reports in polymer science and technology (IUPAC Technical Report)