Hydrogen Sensors from Composites of Ultra-small Bimetallic Nanoparticles and Porous Ion-Exchange Polymers
Hydrogen (H2) is a flammable gas, and even tiny leaks of H2 must be detected for safety. However, the detection of low levels (below ppm) of H2 in air still remains an unmet challenge. Herein, we present a facile synthesis of bimetallic nanoparticles (BM-NPs) by using porous ion-exchange polymers in...
| Main Authors: | , , , , , , , , |
|---|---|
| Other Authors: | |
| Format: | Article |
| Language: | English |
| Published: |
Elsevier BV
2020
|
| Online Access: | https://hdl.handle.net/1721.1/128139 |
| _version_ | 1811071419000291328 |
|---|---|
| author | Koo, Won-Tae Kim, Yoonseob Kim, Sunwoo Suh, Bong Lim Savagatrup, Suchol Kim, Jihan Lee, Sung-Ju Swager, Timothy M Kim, Il-Doo |
| author2 | Massachusetts Institute of Technology. Department of Chemistry |
| author_facet | Massachusetts Institute of Technology. Department of Chemistry Koo, Won-Tae Kim, Yoonseob Kim, Sunwoo Suh, Bong Lim Savagatrup, Suchol Kim, Jihan Lee, Sung-Ju Swager, Timothy M Kim, Il-Doo |
| author_sort | Koo, Won-Tae |
| collection | MIT |
| description | Hydrogen (H2) is a flammable gas, and even tiny leaks of H2 must be detected for safety. However, the detection of low levels (below ppm) of H2 in air still remains an unmet challenge. Herein, we present a facile synthesis of bimetallic nanoparticles (BM-NPs) by using porous ion-exchange polymers in order to develop superior H2 sensors. The porous ion-exchange polymers enable the versatile fabrication of ultra-small BM-NPs on various supports. In particular, PdPt NPs derived from our method show excellent H2-sensing performances at room temperature in air, with an ultra-low detection limit (0.4 ppm), as a result of the synergistic effect of PdPt NPs on H2 sensing. We further developed a wireless H2-sensing system by combining PdPt NPs with radio-frequency communication. Our method can not only pave a new way in the field of H2 sensors but also be easily extended to the fabrication of various ultra-small BM-NPs for diverse applications needed the superior activity of BM-NPs. |
| first_indexed | 2024-09-23T08:50:20Z |
| format | Article |
| id | mit-1721.1/128139 |
| institution | Massachusetts Institute of Technology |
| language | English |
| last_indexed | 2024-09-23T08:50:20Z |
| publishDate | 2020 |
| publisher | Elsevier BV |
| record_format | dspace |
| spelling | mit-1721.1/1281392022-09-30T11:39:30Z Hydrogen Sensors from Composites of Ultra-small Bimetallic Nanoparticles and Porous Ion-Exchange Polymers Koo, Won-Tae Kim, Yoonseob Kim, Sunwoo Suh, Bong Lim Savagatrup, Suchol Kim, Jihan Lee, Sung-Ju Swager, Timothy M Kim, Il-Doo Massachusetts Institute of Technology. Department of Chemistry Hydrogen (H2) is a flammable gas, and even tiny leaks of H2 must be detected for safety. However, the detection of low levels (below ppm) of H2 in air still remains an unmet challenge. Herein, we present a facile synthesis of bimetallic nanoparticles (BM-NPs) by using porous ion-exchange polymers in order to develop superior H2 sensors. The porous ion-exchange polymers enable the versatile fabrication of ultra-small BM-NPs on various supports. In particular, PdPt NPs derived from our method show excellent H2-sensing performances at room temperature in air, with an ultra-low detection limit (0.4 ppm), as a result of the synergistic effect of PdPt NPs on H2 sensing. We further developed a wireless H2-sensing system by combining PdPt NPs with radio-frequency communication. Our method can not only pave a new way in the field of H2 sensors but also be easily extended to the fabrication of various ultra-small BM-NPs for diverse applications needed the superior activity of BM-NPs. 2020-10-21T21:38:31Z 2020-10-21T21:38:31Z 2020-10 2020-01 2020-10-07T17:56:02Z Article http://purl.org/eprint/type/JournalArticle 2451-9294 https://hdl.handle.net/1721.1/128139 Koo, Won-Tae et al. "Hydrogen Sensors from Composites of Ultra-small Bimetallic Nanoparticles and Porous Ion-Exchange Polymers." Chem 6, 10 (October 2020): P2746-2758 © 2020 Elsevier Inc en http://dx.doi.org/10.1016/j.chempr.2020.07.015 Chem Creative Commons Attribution-NonCommercial-NoDerivs License http://creativecommons.org/licenses/by-nc-nd/4.0/ application/pdf Elsevier BV Prof. Swager via Ye Li |
| spellingShingle | Koo, Won-Tae Kim, Yoonseob Kim, Sunwoo Suh, Bong Lim Savagatrup, Suchol Kim, Jihan Lee, Sung-Ju Swager, Timothy M Kim, Il-Doo Hydrogen Sensors from Composites of Ultra-small Bimetallic Nanoparticles and Porous Ion-Exchange Polymers |
| title | Hydrogen Sensors from Composites of Ultra-small Bimetallic Nanoparticles and Porous Ion-Exchange Polymers |
| title_full | Hydrogen Sensors from Composites of Ultra-small Bimetallic Nanoparticles and Porous Ion-Exchange Polymers |
| title_fullStr | Hydrogen Sensors from Composites of Ultra-small Bimetallic Nanoparticles and Porous Ion-Exchange Polymers |
| title_full_unstemmed | Hydrogen Sensors from Composites of Ultra-small Bimetallic Nanoparticles and Porous Ion-Exchange Polymers |
| title_short | Hydrogen Sensors from Composites of Ultra-small Bimetallic Nanoparticles and Porous Ion-Exchange Polymers |
| title_sort | hydrogen sensors from composites of ultra small bimetallic nanoparticles and porous ion exchange polymers |
| url | https://hdl.handle.net/1721.1/128139 |
| work_keys_str_mv | AT koowontae hydrogensensorsfromcompositesofultrasmallbimetallicnanoparticlesandporousionexchangepolymers AT kimyoonseob hydrogensensorsfromcompositesofultrasmallbimetallicnanoparticlesandporousionexchangepolymers AT kimsunwoo hydrogensensorsfromcompositesofultrasmallbimetallicnanoparticlesandporousionexchangepolymers AT suhbonglim hydrogensensorsfromcompositesofultrasmallbimetallicnanoparticlesandporousionexchangepolymers AT savagatrupsuchol hydrogensensorsfromcompositesofultrasmallbimetallicnanoparticlesandporousionexchangepolymers AT kimjihan hydrogensensorsfromcompositesofultrasmallbimetallicnanoparticlesandporousionexchangepolymers AT leesungju hydrogensensorsfromcompositesofultrasmallbimetallicnanoparticlesandporousionexchangepolymers AT swagertimothym hydrogensensorsfromcompositesofultrasmallbimetallicnanoparticlesandporousionexchangepolymers AT kimildoo hydrogensensorsfromcompositesofultrasmallbimetallicnanoparticlesandporousionexchangepolymers |