Chemically Delaminated Free-Standing Ultrathin Covalent Organic Nanosheets Khayum, M. Abdul ; Kandambeth, Sharath ; Mitra, Shouvik ; Nair, Sanoop B. ; Das, Anuja ; Nagane, Samadhan S. ; Mukherjee, Rabibrata ; Banerjee, Rahul Abstract Publication: Angewandte Chemie Pub Date: December 2016 DOI: 10.1002/ange.201607812 Bibcode: 2016AngCh.12815833K