Royal Society of Chemistry, Chemical Science, 41(10), p. 9530-9541, 2019
DOI: 10.1039/c9sc01183h
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Grain boundaries in bulk perovskite films are considered as giant trapping sites for photo-generated carriers. Surface engineering via inorganic perovskite quantum dots has been employed for creating monolithically grained, pin-hole free perovskite films.