TY - JOUR
T1 - Metal–polymer hybrid nanomaterials for plasmonic ultrafast hydrogen detection
AU - Nugroho, Ferry A.A.
AU - Darmadi, Iwan
AU - Cusinato, Lucy
AU - Susarrey-Arce, Aturo
AU - Schreuders, Herman
AU - Bannenberg, Lars J.
AU - da Silva Fanta, Alice Bastos
AU - Kadkhodazadeh, Shima
AU - Wagner, Jakob B.
AU - Antosiewicz, Thomasz J.
AU - Hellman, Anders
AU - Zhdanov, Vladimir P.
AU - Dam, Bernard
AU - Langhammer, Christoph
PY - 2019/5
Y1 - 2019/5
N2 - Hydrogen–air mixtures are highly flammable. Hydrogen sensors are therefore of paramount importance for timely leak detection during handling. However, existing solutions do not meet the stringent performance targets set by stakeholders, while deactivation due to poisoning, for example by carbon monoxide, is a widely unsolved problem. Here we present a plasmonic metal–polymer hybrid nanomaterial concept, where the polymer coating reduces the apparent activation energy for hydrogen transport into and out of the plasmonic nanoparticles, while deactivation resistance is provided via a tailored tandem polymer membrane. In concert with an optimized volume-to-surface ratio of the signal transducer uniquely offered by nanoparticles, this enables subsecond sensor response times. Simultaneously, hydrogen sorption hysteresis is suppressed, sensor limit of detection is enhanced, and sensor operation in demanding chemical environments is enabled, without signs of long-term deactivation. In a wider perspective, our work suggests strategies for next-generation optical gas sensors with functionalities optimized by hybrid material engineering. Sensing hydrogen by the change in plasmonic response upon metal hydride formation is safe, but trace gas poisoning and low sensitivity can occur. Here, a PdAu alloy/polymer sensor is poison resistant and can sense 3 ppm H2 with a response time of 1 s.
AB - Hydrogen–air mixtures are highly flammable. Hydrogen sensors are therefore of paramount importance for timely leak detection during handling. However, existing solutions do not meet the stringent performance targets set by stakeholders, while deactivation due to poisoning, for example by carbon monoxide, is a widely unsolved problem. Here we present a plasmonic metal–polymer hybrid nanomaterial concept, where the polymer coating reduces the apparent activation energy for hydrogen transport into and out of the plasmonic nanoparticles, while deactivation resistance is provided via a tailored tandem polymer membrane. In concert with an optimized volume-to-surface ratio of the signal transducer uniquely offered by nanoparticles, this enables subsecond sensor response times. Simultaneously, hydrogen sorption hysteresis is suppressed, sensor limit of detection is enhanced, and sensor operation in demanding chemical environments is enabled, without signs of long-term deactivation. In a wider perspective, our work suggests strategies for next-generation optical gas sensors with functionalities optimized by hybrid material engineering. Sensing hydrogen by the change in plasmonic response upon metal hydride formation is safe, but trace gas poisoning and low sensitivity can occur. Here, a PdAu alloy/polymer sensor is poison resistant and can sense 3 ppm H2 with a response time of 1 s.
KW - Materials for devices
KW - Nanoparticles
KW - Nanoscale materials
KW - Nanosensors
KW - Sensors and biosensors
KW - n/a OA procedure
UR - http://www.scopus.com/inward/record.url?eid=2-s2.0-85063770778&partnerID=MN8TOARS
U2 - 10.1038/s41563-019-0325-4
DO - 10.1038/s41563-019-0325-4
M3 - Article
SN - 1476-1122
VL - 18
SP - 489
EP - 495
JO - Nature materials
JF - Nature materials
IS - 5
ER -
