?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=https%3A%2F%2Feprints.uet.vnu.edu.vn%2Feprints%2Fid%2Feprint%2F4252%2F&rft.title=Characterization+of+COOH-Molecules+Self-Asembled+on+Gold+Nanoparticles&rft.creator=Nguyen%2C+Kien+Cuong&rft.subject=Engineering+Physics&rft.description=11-MUAsolution+of+the+concentration+of+10mM+was+deposited+on+a+gold+sutface+through+the+self-assembled+molecules.+The+gold+surface+was+characterized+by+AFM-topography+and+XRD-spectrum.+Both+results+show+that+the+gold+surface+was+composed+of+gold+nanoparticles+(AuNPs)+piling+up+on+each+other+and+the+most+significant+peak%2C+centered+at+2%CE%B8%E2%80%89%3D%E2%80%8938.2%C2%B0%2C+is+originated+from+the+face+centered+cubic+gold%2C+respectively.+COOH-functional+molecules+were+self-assembled+onto+AuNPs+surface+through+the+reaction+between+thiol+molucules+and+AuNPs+to+from+the+Au%EF%80%ADS+binding.+The+IR+spectrum+of+a+COOH-terminated+AuNP+sample+show+the+existence+of++carbonyl+(C%3DO)+and+hydroxyl+(OH)+molecules+on+AuNP+surface.+Furthermore%2C+COHN%EF%80%ADFITC%40SiO2+bonding+to+AuNPs%2C+observed+on+a+confocal+microscope%2C+also+revealed+the+COOH-molecules+selft-assembled+to+AuNP-sample.&rft.publisher=Eprints-UET&rft.date=2020&rft.type=Technical+Report&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.identifier=https%3A%2F%2Feprints.uet.vnu.edu.vn%2Feprints%2Fid%2Feprint%2F4252%2F1%2FEprints-2020-Au-COOH.pdf&rft.identifier=++Nguyen%2C+Kien+Cuong++(2020)+Characterization+of+COOH-Molecules+Self-Asembled+on+Gold+Nanoparticles.++Technical+Report.+Eprints-UET%2C+UET.+++++&rft.relation=https%3A%2F%2Feprints.uet.vnu.edu.vn%2F