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10.1021/jacs.7b07788 http://scihub22266oqcxt.onion/10.1021/jacs.7b07788 C5609121!5609121 !28841295     free     free     free Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Warning: imagejpeg(C:\Inetpub\vhosts\kidney.de\httpdocs\phplern\28841295 .jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117       J+Am+Chem+Soc 2017 ; 139 (37 ): 13208-13217 Nephropedia Template TP {{tp|p=28841295 |t=2017. Switching between Plasmonic and Fluorescent Copper Sulfide Nanocrystals |pdf=|usr=}}{{28841295 }} gab.com Text Switching between Plasmonic and Fluorescent Copper Sulfide Nanocrystals JO: J Am Chem Soc http://www.kidney.de/pget.php?&tw=1&pmid=28841295 #FOAvip Control over the doping density in copper sulfide nanocrystals is of great importance and determines its use in optoelectronic applications such as NIR optical switches and photovoltaic devices. Here, we demonstrate that we can reversibly control the hole carrier density (varying from >10(22) cm(-3) to intrinsic) in copper sulfide nanocrystals by electrochemical methods. We can control the type of charge injection, i.e., capacitive charging or ion intercalation, via the choice of the charge compensating cation (e.g., ammonium salts vs Li(+)). Further, the type of intercalating ion determines whether the charge injection is fully reversible (for Li(+)) or leads to permanent changes in doping density (for Cu(+)). Using fully reversible lithium intercalation allows us to switch between thin films of covellite CuS NCs (E(g) = 2.0 eV, hole density 10(22) cm(-3), strong localized surface plasmon resonance) and low-chalcocite CuLiS NCs (E(g) = 1.2 eV, intrinsic, no localized surface plasmon resonance), and back. Electrochemical Cu(+) ion intercalation leads to a permanent phase transition to intrinsic low-chalcocite Cu(2)S nanocrystals that display air stable fluorescence, centered around 1050 nm (fwhm ?145 meV, PLQY ca. 1.8%), which is the first observation of narrow near-infrared fluorescence for copper sulfide nanocrystals. The dynamic control over the hole doping density and fluorescence of copper sulfide nanocrystals presented in this work and the ability to switch between plasmonic and fluorescent semiconductor nanocrystals might lead to their successful implementation into photovoltaic devices, NIR optical switches and smart windows. Twit Text FOAVip Switching between Plasmonic and Fluorescent Copper Sulfide Nanocrystals ????J Am Chem Soc http://www.kidney.de/pget.php?&tw=1&pmid=28841295 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=28841295 #FOAvip English Wikipedia <ref>{{Cite pmid|28841295 }}</ref> Switching between Plasmonic and Fluorescent Copper Sulfide Nanocrystals #MMPMID28841295 van der Stam W ; Gudjonsdottir S ; Evers WH ; Houtepen AJ J Am Chem Soc 2017[Sep]; 139 (37 ): 13208-13217 PMID28841295 show ga Control over the doping density in copper sulfide nanocrystals is of great importance and determines its use in optoelectronic applications such as NIR optical switches and photovoltaic devices. Here, we demonstrate that we can reversibly control the hole carrier density (varying from >10(22) cm(-3) to intrinsic) in copper sulfide nanocrystals by electrochemical methods. We can control the type of charge injection, i.e., capacitive charging or ion intercalation, via the choice of the charge compensating cation (e.g., ammonium salts vs Li(+)). Further, the type of intercalating ion determines whether the charge injection is fully reversible (for Li(+)) or leads to permanent changes in doping density (for Cu(+)). Using fully reversible lithium intercalation allows us to switch between thin films of covellite CuS NCs (E(g) = 2.0 eV, hole density 10(22) cm(-3), strong localized surface plasmon resonance) and low-chalcocite CuLiS NCs (E(g) = 1.2 eV, intrinsic, no localized surface plasmon resonance), and back. Electrochemical Cu(+) ion intercalation leads to a permanent phase transition to intrinsic low-chalcocite Cu(2)S nanocrystals that display air stable fluorescence, centered around 1050 nm (fwhm ?145 meV, PLQY ca. 1.8%), which is the first observation of narrow near-infrared fluorescence for copper sulfide nanocrystals. The dynamic control over the hole doping density and fluorescence of copper sulfide nanocrystals presented in this work and the ability to switch between plasmonic and fluorescent semiconductor nanocrystals might lead to their successful implementation into photovoltaic devices, NIR optical switches and smart windows. äSwitching between Plasmonic and Fluorescent Copper Sulfide Nanocrystal(epmc).pdf DeepDyve Pubget Overpricing