Mace-like TTF-TCNQ/HKUST-1 composite structures for rapid NO_(2) detection: Synergistically induced ultrahigh sensitivity and outstanding selectivity  

作　　者：Chaoxin Lin Kumchol Kim Zuochao Wang Zhuang Yan Zhiyong Tang Yaling Liu 

机构地区：[1]CAS Key Laboratory of Nanosystem and Hierarchical Fabrication,CAS Center for Excellence in Nanoscience,National Center for Nanoscience and Technology,Beijing 100190,China [2]University of Chinese Academy of Sciences,Beijing 100049,China [3]Dalian Institute of Chemical Physics,Chinese Academy of Sciences,Dalian 116023,China

出　　处：《Nano Research》2023年第12期13366-13374,共9页纳米研究（英文版）

基　　金：support from the National Key Research and Development Program of China(Nos.2022YFB3805203 and 2021YFA1200302);Strategic Priority Research Program of Chinese Academy of Sciences(No.XDB36000000);the National Natural Science Foundation of China(Nos.22073021,92056204,21890381,and 21721002).

摘　　要：Integration and synergy of the unique functions of different components have been developed into one of the most convenient and effective ways to construct the composite advanced materials with collective properties and improved performances.In this work,the mace-like tetrathiafulvalene-tetracyanoquinodimethane(TTF-TCNQ)/HKUST-1 composite structures with single single-crystalline TTF-TCNQ submicrorods covered by ordered HKUST-1 nanosheet arrays were successfully constructed by an efficient TTF-TCNQ seed-mediated growth approach.Impressively,thanks to the synergetic and complementary effects between TTF-TCNQ and HKUST-1,the sensors based on such mace-like TTF-TCNQ/HKUST-1 composite structures not only displayed an experimental detection limit of 10 part per billion(ppb)for NO_(2) detection,but also exhibited outstanding selectivity even if the concentration of the interfering gases was 10 times that of NO_(2).Meanwhile,good reproducibility and rapid response were also achieved.This work opens the avenue for creation of novel high-performance sensing materials for application in gas sensing.

关 键 词：tetrathiafulvalene-tetracyanoquinodimethane(TTF-TCNQ)/HKUST-1 integration and synergy NO_(2)detection excellent sensing performance 

分 类 号：TB33[一般工业技术—材料科学与工程]