1. IEK5‐PhotovoltaicsForschungszentrum Jülich Wilhelm‐Johnen‐Strasse Jülich 52425 Germany
2. PVMD GroupDelft University of Technology Mekelweg 4 Delft 2628 CD The Netherlands
3. Novosibirsk State UniversityPhysics Department Pirogova St 2 Novosibirsk 630090 Russia
4. Kutateladze Institute of Thermophysics SB RASLaboratory of Rarefied Gases Ac. Lavrentiev Ave 1 Novosibirsk 630090 Russia
5. Institute for Solar Energy Systems, Guangdong Provincial Key Laboratory of Photovoltaic TechnologySun Yat‐sen University Guangzhou 510006 China