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@ARTICLE{Guo:639471,
author = {Guo, Yingjian and Pan, Guangjiu and Tu, Suo and Bulut,
Yusuf and Zhou, Jungui and Jeromin, Arno and Keller, Thomas
F. and Stierle, Andreas and Nemeth, Gergely and Borondics,
Ferenc and Sochor, Benedikt and Vayalil, Sarathlal Koyiloth
and Söderberg, L. Daniel and Müller-Buschbaum, Peter and
Roth, Stephan},
title = {{B}iopolymer‐{T}emplated {H}ierarchical
3{D}‐{S}tructured {G}old {N}anoparticle/{G}raphene {O}xide
{H}ybrid {M}aterials for {U}ltrasensitive
{S}urface‐{E}nhanced {R}aman {S}cattering},
journal = {Advanced functional materials},
volume = {36},
number = {8},
issn = {1616-301X},
address = {Weinheim},
publisher = {Wiley-VCH},
reportid = {PUBDB-2025-04557},
pages = {e15801},
year = {2025},
abstract = {Surface-enhanced Raman scattering (SERS) is a highly
advantageous analytical technique for detecting trace
biological and chemical compounds. However, significant
challenges remain in the cost-effective fabrication of
large-area and homogenous SERS substrates. A simple and
scalable approach utilizing a layer-by-layer spray
deposition followed by thermal annealing is proposed to
fabricate cellulose nanofibril (CNF) films loaded with gold
nanoparticles (Au NPs) and graphene oxide (GO) hybrids as
SERS substrates. These hybrid 3D structures comprising
CNF/Au NPs/GO significantly enhance SERS sensitivity by both
electromagnetic enhancement and chemical enhancement.
Incorporating CNF as a 3D network enables a more uniform
distribution of Au NPs/GO. Thermal annealing further induces
hotspots. For instance, the annealed CNF/Au NPs/GO hybrid
thin films achieve a detection limit of 1.0 × 10$^{−13}$
m and a high enhancement factor of 4.97 × 1011 for
Rhodamine 6G. Grazing incidence small-angle X-ray scattering
combined with nano-Fourier-transform infrared spectroscopy
is first used to confirm the combined Raman enhancement
mechanism of localized surface plasmon resonance and
interface charge transfer with high spatial resolution.
Therefore, the proposed methodology establishes a robust
framework for the scalable fabrication of ultrasensitive
SERS substrates.},
cin = {DOOR ; HAS-User / FS-NL / FS-SMA},
ddc = {530},
cid = {I:(DE-H253)HAS-User-20120731 / I:(DE-H253)FS-NL-20120731 /
I:(DE-H253)FS-SMA-20220811},
pnm = {632 - Materials – Quantum, Complex and Functional
Materials (POF4-632) / 6G3 - PETRA III (DESY) (POF4-6G3) /
DFG project G:(GEPRIS)390776260 - EXC 2089: e-conversion
(390776260)},
pid = {G:(DE-HGF)POF4-632 / G:(DE-HGF)POF4-6G3 /
G:(GEPRIS)390776260},
experiment = {EXP:(DE-H253)Nanolab-04-20150101 /
EXP:(DE-H253)P-P03-20150101},
typ = {PUB:(DE-HGF)16},
doi = {10.1002/adfm.202515801},
url = {https://bib-pubdb1.desy.de/record/639471},
}