Engineering Vacancies in Bi2S3 yielding Sub‐Bandgap Photoresponse and Highly Sensitive Short‐Wave Infrared Photodetectors

The authors acknowledge financial support from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (grant agreement no. 725165), the Spanish Ministry of Economy and Competitiveness (MINECO), and the “Fondo Europeo de Desarrollo Regional” (FEDER) through grant TEC2017-88655-R. The authors also acknowledge financial support from Fundacio Privada Cellex, the program CERCA and from the Spanish Ministry of Economy and Competitiveness, through the “Severo Ochoa” Programme for Centres of Excellence in R&D (SEV-2015-0522). Y.Y. acknowledges support from the National Natural Science Foundation of China under grant no. 61805045. S.C. acknowledges support from Marie Curie Standard European Fellowship (“NAROBAND”, H2020-MSCA-IF-2016-750600). Furthermore, the research leading to these results has received funding from the European Union H2020 Programme under grant agreement no. 785219 Graphene Flagship