The regulatory mechanism of B-site elements
Research gap analysis derived from 4 physics papers in our local library.
The gap
However, the regulatory mechanism of B-site elements—particularly those from Group IVA (Si, Ge, Sn)—in Rb-based double perovskites and their quantitative impact on hydrogen storage performance remain unclear, which limits the rational design of high-efficiency storage materials.
Evidence profile
Sourced from the abstract and stated research gap of the source papers, classified as general, drawn from work published between 2024 and 2026, spanning 4 journals. Those papers have been cited 17 times in total.
Research trend
Established — well-defined area with open sub-problems.
Supporting evidence — 4 representative gaps
- Regulating the Order–Disorder Phase Controlling in K 2 RbInCl 6 Single Crystal Toward the Highly Efficient Luminescence (2026) · Advanced Optical Materials · doi
The ordered arrangement characteristics of A‐site bimetallic ions, K + and Rb + , have a significant impact on 0D K 2 RbInCl 6 perovskite luminescence properties but have not been explored.
generalabstractKeywords: ordered arrangement characteristics site bimetallic ions significant impact rbincl perovskite luminescence properties explored - Structural, hydrogen storage capacity, electronic and optical properties of Rb (2026) · Springer Link (Chiba Institute of Technology) · doi
However, the regulatory mechanism of B-site elements—particularly those from Group IVA (Si, Ge, Sn)—in Rb-based double perovskites and their quantitative impact on hydrogen storage performance remain unclear, which limits the rational design of high-efficiency storage materials.
generalabstractevidence 5/5Keywords: storage regulatory mechanism site elements particularly group based double perovskites quantitative impact hydrogen performance remain - 2D Ruddlesden-Popper Perovskite (C6H5NH3)2CsPb2Cl7 with Favorable Radiative Recombination and Field-Effect Transport (2026) · Materials · doi
Conventional 3D perovskites are limited by instability and ion migration. 2D RP perovskites often suffer from modest photoluminescence efficiency and limited charge-transport performance. There is a need for novel 2D RP perovskites with improved structural stability and optoelectronic properties.
generalstated research gapevidence 5/5Keywords: conventional perovskites limited instability ion migration often suffer - Toward Ultra-High Sensitivity Optical Thermometers and Bright Yellow LEDs Based on Phonon-Assisted Energy Transfer in Rare Earth-Doped La2ZnTiO6 Double Perovskite (2024) · Inorganic Chemistry · cited 17× · doi
Despite limited research on rare earth-doped double perovskites, leveraging their ultrahigh luminous efficiency to achieve bright yellow LED emission and addressing energy transfer challenges between Yb 3+ and Nd 3+ ions in double perovskite La 2 ZnTiO 6 with moderate phonon energy are explored in this work.
generalabstractevidence 5/5Keywords: double energy despite limited rare earth doped perovskites leveraging ultrahigh luminous efficiency achieve bright yellow
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