Emergent Above-Gap Photoluminescence in Molecularly Engineered Hybrid Bilayer Crystals

Emergent Above-Gap Photoluminescence in Molecularly Engineered Hybrid Bilayer Crystals

Bilayer crystals, built by stacking two-dimensional (2D) covalent monolayers, give rise to coupled excitonic states whose properties are constrained by fixed lattice symmetry and orientation. Replacing one covalent monolayer with a 2D molecular crystalheld together by noncovalent forcesovercomes t...

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Αποθηκεύτηκε σε:
Λεπτομέρειες βιβλιογραφικής εγγραφής
Κύριος συγγραφέας: Tomojit Chowdhury (6285287) (author)
Άλλοι συγγραφείς: Aurélie Champagne (15213726) (author), Patrick Knüppel (22676009) (author), Zehra Naqvi (20934322) (author), Ariana Ray (7651370) (author), Mengyu Gao (5545958) (author), David A. Muller (1568509) (author), Nathan P. Guisinger (1383159) (author), Kin Fai Mak (1901236) (author), Jeffrey B. Neaton (1262847) (author), Jiwoong Park (1661347) (author)
Έκδοση: 2025
Θέματα:
Biophysics
Cell Biology
Biotechnology
Ecology
Computational Biology
Astronomical and Space Sciences not elsewhere classified
Chemical Sciences not elsewhere classified
Physical Sciences not elsewhere classified
strong polarization anisotropy
perfectly linear power
peak 120 mev
directly growing single
based bilayer platform
atomically thin optoelectronic
ab initio </
plane lattice geometry
fixed lattice symmetry
delocalized excitonic states
fully quenches pl
demonstrating molecular control
7 </ sup
2 </ sub
gap emission 
excitonic emission
lattice scale
gap emission
excitonic phenomena
∼ 10
work introduces
stacking two
robust photoluminescence
report four
quantum materials
ptcda monolayer
powerful knob
law dependence
intermolecular spacing
interlayer coupling
give rise
gap photoluminescence
exciton engineering
excitation density
excellent agreement
coexisting localized
calculations reveal
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