Perovskite nano‐heterojunctions: synthesis, structures, properties, challenges, and prospects

X Xu, X Wang - Small Structures, 2020 - Wiley Online Library
Scientific and industrial interest on perovskite semiconductor materials has grown rapidly in
recent years. Through the efforts of researchers professionals in chemistry, physics …

Interfaces in metal halide perovskites probed by solid-state NMR spectroscopy

CJ Dahlman, DJ Kubicki, GNM Reddy - Journal of Materials Chemistry …, 2021 - pubs.rsc.org
Metal halide perovskites (MHPs) are promising light harvesting and emitting materials that
have enabled solar energy conversion efficiencies of over 25% in solution-processed single …

Metal halide perovskite heterostructures: blocking anion diffusion with single-layer graphene

MP Hautzinger, EK Raulerson, SP Harvey… - Journal of the …, 2023 - ACS Publications
The development of metal halide perovskite/perovskite heterostructures is hindered by rapid
interfacial halide diffusion leading to mixed alloys rather than sharp interfaces. To …

Distinct carrier transport properties across horizontally vs vertically oriented heterostructures of 2D/3D perovskites

MY Kuo, N Spitha, MP Hautzinger… - Journal of the …, 2021 - ACS Publications
Two-dimensional-on-three-dimensional (2D/3D) halide perovskite heterostructures have
been extensively utilized in optoelectronic devices. However, the labile nature of halide …

Epitaxy of a Monocrystalline CsPbBr3–SrTiO3 Halide–Oxide Perovskite p–n Heterojunction with High Stability for Photodetection

S Liu, Y Chen, W Gao, W Li, X Yang, Z Li… - Advanced …, 2023 - Wiley Online Library
Perovskite heterojunctions are essential components of perovskite optoelectronics, but their
construction and investigation have been impeded by the instability and severe anion …

Bidirectional halide ion exchange in paired lead halide perovskite films with thermal activation

T Elmelund, RA Scheidt, B Seger, PV Kamat - ACS Energy Letters, 2019 - ACS Publications
MAPbBr3 and MAPbI3 films cast onto glass slides and physically paired together undergo
halide exchange to form mixed halide films. The change in halide composition in these …

Quantifying anionic diffusion in 2D halide perovskite lateral heterostructures

Akriti, S Zhang, ZY Lin, E Shi, BP Finkenauer… - Advanced …, 2021 - Wiley Online Library
Anionic diffusion strongly impacts the stability of halide perovskite materials, but it is still not
well understood. Here, a quantitative investigation of in‐plane thermally driven anionic inter …

Enhancing Chemical Stability and Suppressing Ion Migration in CH3NH3PbI3 Perovskite Solar Cells via Direct Backbone Attachment of Polyesters on Grain …

Y Zhou, Y Yin, X Zuo, L Wang, TD Li, Y Zhou… - Chemistry of …, 2020 - ACS Publications
Organic–inorganic halide perovskites feature excellent optoelectronic properties but poor
chemical stability. While passivating perovskite grain boundary (GB) by polymers shows …

Eppur si muove: proton diffusion in halide perovskite single crystals

DR Ceratti, A Zohar, R Kozlov, H Dong… - Advanced …, 2020 - Wiley Online Library
Ion diffusion affects the optoelectronic properties of halide‐perovskites (HaPs). Until now,
the fastest diffusion has been attributed to the movement of the halides, largely neglecting …

Improving thermal stability of perovskite solar cells by suppressing ion migration using copolymer grain encapsulation

Y Zhou, Y Yin, X Zuo, L Wang, TD Li, Y Xue… - Chemistry of …, 2021 - ACS Publications
Thermal stability of organic–inorganic hybrid perovskites (OIHPs) remains as one of the
critical challenges against the stable operation of perovskite solar cells (PSCs) in direct …