IN SITU visualization of water adsorption in cellulose nanofiber film with micrometer spatial resolution using micro-FTIR imaging

2018 ◽  
Vol 38 (5) ◽  
pp. 361-370 ◽  
Author(s):  
Xin Guo ◽  
Yiqiang Wu
RSC Advances ◽  
2018 ◽  
Vol 8 (8) ◽  
pp. 4214-4220 ◽  
Author(s):  
Xin Guo ◽  
Liu Liu ◽  
Junjie Wu ◽  
Jia Fan ◽  
Yiqiang Wu

The efficient utilization of cellulose is very important for environmental protection and sustainability of resources.


2018 ◽  
Author(s):  
Devon Jakob ◽  
Le Wang ◽  
Haomin Wang ◽  
Xiaoji Xu

<p>In situ measurements of the chemical compositions and mechanical properties of kerogen help understand the formation, transformation, and utilization of organic matter in the oil shale at the nanoscale. However, the optical diffraction limit prevents attainment of nanoscale resolution using conventional spectroscopy and microscopy. Here, we utilize peak force infrared (PFIR) microscopy for multimodal characterization of kerogen in oil shale. The PFIR provides correlative infrared imaging, mechanical mapping, and broadband infrared spectroscopy capability with 6 nm spatial resolution. We observed nanoscale heterogeneity in the chemical composition, aromaticity, and maturity of the kerogens from oil shales from Eagle Ford shale play in Texas. The kerogen aromaticity positively correlates with the local mechanical moduli of the surrounding inorganic matrix, manifesting the Le Chatelier’s principle. In situ spectro-mechanical characterization of oil shale will yield valuable insight for geochemical and geomechanical modeling on the origin and transformation of kerogen in the oil shale.</p>


Cellulose ◽  
2017 ◽  
Vol 24 (12) ◽  
pp. 5649-5656 ◽  
Author(s):  
Xiong-Fei Zhang ◽  
Yi Feng ◽  
Chaobo Huang ◽  
Yichang Pan ◽  
Jianfeng Yao

2014 ◽  
Vol 33 ◽  
pp. 57-63 ◽  
Author(s):  
Alireza Tabatabaei ◽  
M. Reza Barzegari ◽  
Mohammadreza Nofar ◽  
Chul B. Park

2021 ◽  
pp. 138877
Author(s):  
Yuju Jeon ◽  
Yutong Wu ◽  
Yamin Zhang ◽  
Chihyun Hwang ◽  
Hyun-Wook Lee ◽  
...  

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