Intrinsic Broad-Band White-Light Emission by a Tuned, Corrugated Metal–Organic Framework

Herein we report on the broad-band direct white-light
originating
from a single component emitter, namely a novel three-periodic metal–organic
framework (MOF). This material features an unprecedented topology
with (3,4)-connected nodes. The structure–function relationship
in this system is driven by two complementary unique structural features:
corrugation and interpenetration. Good correlation between simulated
and experimental emission spectra has been attained, resulting in
optimized color properties that approach requirements for solid-state
lighting (SSL). Guided by the optimized calculated spectra, the tunability
of the assembly was proven by the successful in-framework co-doping
of Eu3+. This resulted in significantly improved color
properties, opening new paths for the rational design of alternative
materials for SSL applications.