Synthesis and Characterization of Upconversion Fluorescent <svg     style="vertical-align:-0.21599pt;width:43.400002px;" id="M1" height="21.950001" version="1.1" viewBox="0 0 43.400002 21.950001" width="43.400002"  xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg">
	
		
			<g transform="matrix(.022,-0,0,-.022,.062,21.612)"><path id="x59" d="M620 650v-28q-51 -6 -70.5 -19t-48.5 -60q-68 -110 -126 -219q-17 -32 -17 -63v-136q0 -63 15.5 -77.5t84.5 -19.5v-28h-282v28q67 5 82 19.5t15 77.5v133q0 22 -21 60l-126 219q-31 53 -49 67t-62 18v28h239v-28q-51 -6 -59.5 -18t8.5 -36q13 -25 135 -237
q87 155 119 225q18 37 9 48.5t-67 17.5v28h221z" /></g><g transform="matrix(.022,-0,0,-.022,14.274,21.612)"><path id="x62" d="M152 404l81 35q23 10 41 10q81 0 139 -61.5t58 -149.5q0 -107 -74.5 -178.5t-176.5 -71.5q-71 0 -147 36v555q0 48 -9.5 59.5t-56.5 15.5v23q79 10 145 35v-308zM152 374v-258q0 -20 6 -35q7 -19 30 -37t58 -18q63 0 99.5 50t36.5 137q0 82 -43.5 131t-108.5 49
q-44 0 -78 -19z" /></g>

			<g transform="matrix(.016,-0,0,-.016,25.662,10.862)"><path id="x1D7D1" d="M58 524l-21 12q80 152 229 152q73 0 119 -41q45 -41 45 -96q0 -40 -21.5 -74.5t-62.5 -52.5q57 -20 89.5 -68.5t32.5 -109.5q0 -110 -86 -185t-214 -75q-69 0 -110.5 24.5t-41.5 65.5q0 26 18.5 43t46.5 17q45 0 96 -57q39 -43 79 -43q45 0 71.5 34t26.5 88q0 75 -49 121
q-25 23 -56 39q-34 17 -97 38v17q69 21 100 53t31 78q0 103 -99 103q-40 0 -69.5 -19t-56.5 -64z" /></g><g transform="matrix(.016,-0,0,-.016,33.508,10.862)"><path id="x2B" d="M535 230h-212v-233h-58v233h-213v50h213v210h58v-210h212v-50z" /></g>

		
	
</svg>, <svg     style="vertical-align:-0.0pt;width:38.849998px;" id="M2" height="21.674999" version="1.1" viewBox="0 0 38.849998 21.674999" width="38.849998"  xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg">
	
		
			<g transform="matrix(.022,-0,0,-.022,.062,21.612)"><path id="x45" d="M517 162l29 -4q-18 -100 -35 -158h-482v28q68 5 83.5 20t15.5 77v398q0 66 -13 80t-73 19v28h446q0 -8 8 -144l-29 -4q-11 51 -32 85q-11 17 -35 23t-78 6h-76q-23 0 -28 -5t-5 -27v-228h94q67 0 83 12t25 63h29v-191h-29q-10 54 -26 65.5t-81 11.5h-95v-189
q0 -65 24 -81q19 -13 104 -13q57 0 83 7t43 27q28 33 50 94z" /></g><g transform="matrix(.022,-0,0,-.022,12.795,21.612)"><path id="x72" d="M181 342h2q63 107 121 107q24 0 41 -16t17 -34q0 -34 -32 -49q-17 -7 -26 2q-21 20 -43 20q-20 0 -42 -22t-38 -63v-183q0 -50 12.5 -62t69.5 -16v-26h-230v26q47 5 58 17t11 61v207q0 49 -9 60.5t-53 16.5v23q74 12 141 40v-109z" /></g>

			<g transform="matrix(.016,-0,0,-.016,21.112,10.862)"><use xlink:href="#x1D7D1"/></g><g transform="matrix(.016,-0,0,-.016,28.958,10.862)"><use xlink:href="#x2B"/></g>

		
	
</svg> Doped Cs<svg     style="vertical-align:-4.32007pt;width:43.125px;" id="M3" height="20.075001" version="1.1" viewBox="0 0 43.125 20.075001" width="43.125"  xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg">
	
		
			<g transform="matrix(.022,-0,0,-.022,.062,14.637)"><use xlink:href="#x59"/></g>

			<g transform="matrix(.016,-0,0,-.016,14.275,20.012)"><path id="x1D7D0" d="M453 211h25l-46 -211h-415v23q97 102 151 166q42 49 81 110q51 78 51 148q0 56 -31.5 91.5t-87.5 35.5q-77 0 -122 -90h-28q67 204 223 204q82 0 132 -49.5t50 -133.5q0 -110 -114 -218l-162 -154h140q82 0 107 13q27 13 46 65z" /></g>

			<g transform="matrix(.022,-0,0,-.022,22.737,14.637)"><path id="x46" d="M493 503l-29 -4q-13 56 -28 80q-13 22 -35.5 29.5t-78.5 7.5h-76q-22 0 -27.5 -5t-5.5 -27v-238h103q66 0 82.5 12t25.5 62h29v-193h-29q-9 54 -25.5 67t-82.5 13h-103v-181q0 -64 15 -78.5t84 -19.5v-28h-272v28q61 5 74.5 19.5t13.5 78.5v399q0 64 -13 78t-72 19v28
h440q1 -40 10 -147z" /></g>

			<g transform="matrix(.016,-0,0,-.016,34.6,20.012)"><path id="x1D7D5" d="M62 676h415l-235 -676h-95l200 539h-199q-47 0 -68.5 -18t-36.5 -67h-26z" /></g>

		
	
</svg> Nano- and Microcrystals

<table>TEM image of <svg height="15.65" id="M97" style="vertical-align:-3.3907pt" version="1.1" viewbox="0 0 50.099998 15.65" width="50.099998" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.362)"><path d="M614 175l29 -10q-33 -109 -57 -154q-121 -26 -184 -26q-90 0 -160.5 29t-112.5 77t-63.5 105.5t-21.5 119.5q0 157 108 253t277 96q36 0 71.5 -5t69 -13.5t36.5 -8.5q15 -102 20 -150l-29 -8q-20 79 -66.5 114t-128.5 35q-119 0 -187.5 -86t-68.5 -207
q0 -140 73.5 -227.5t188.5 -87.5q73 0 119.5 37.5t86.5 116.5z" id="x43"></path></g><g transform="matrix(.017,-0,0,-.017,11.367,11.362)"><path d="M319 325l-25 -7q-33 99 -103 99q-29 0 -47 -19.5t-18 -49.5t22 -49.5t62 -36.5q63 -26 95 -57t32 -79q0 -64 -50 -101t-115 -37q-35 0 -67.5 10.5t-46.5 23.5q-5 11 -11 51t-6 67l27 5q14 -53 46.5 -88.5t75.5 -35.5q29 0 50 19.5t21 50.5t-19.5 51.5t-59.5 39.5
q-28 12 -46 22.5t-38.5 27t-30.5 38.5t-10 49q0 54 42.5 92t109.5 38q48 0 88 -18q6 -15 13 -50.5t9 -55.5z" id="x73"></path></g><g transform="matrix(.017,-0,0,-.017,17.605,11.362)"><path d="M620 650v-28q-51 -6 -70.5 -19t-48.5 -60q-68 -110 -126 -219q-17 -32 -17 -63v-136q0 -63 15.5 -77.5t84.5 -19.5v-28h-282v28q67 5 82 19.5t15 77.5v133q0 22 -21 60l-126 219q-31 53 -49 67t-62 18v28h239v-28q-51 -6 -59.5 -18t8.5 -36q13 -25 135 -237
q87 155 119 225q18 37 9 48.5t-67 17.5v28h221z" id="x59"></path></g>
<g transform="matrix(.012,-0,0,-.012,28.388,15.45)"><path d="M412 140l28 -9q0 -2 -35 -131h-373v23q112 112 161 170q59 70 92 127t33 115q0 63 -31 98t-86 35q-75 0 -137 -93l-22 20l57 81q55 59 135 59q69 0 118.5 -46.5t49.5 -122.5q0 -62 -29.5 -114t-102.5 -130l-141 -149h186q42 0 58.5 10.5t38.5 56.5z" id="x32"></path></g>
<g transform="matrix(.017,-0,0,-.017,34.713,11.362)"><path d="M493 503l-29 -4q-13 56 -28 80q-13 22 -35.5 29.5t-78.5 7.5h-76q-22 0 -27.5 -5t-5.5 -27v-238h103q66 0 82.5 12t25.5 62h29v-193h-29q-9 54 -25.5 67t-82.5 13h-103v-181q0 -64 15 -78.5t84 -19.5v-28h-272v28q61 5 74.5 19.5t13.5 78.5v399q0 64 -13 78t-72 19v28
h440q1 -40 10 -147z" id="x46"></path></g>
<g transform="matrix(.012,-0,0,-.012,43.712,15.45)"><path d="M447 623l8 -12l-283 -613l-74 -10l-7 11q174 283 297 551h-216q-48 0 -62.5 -12t-33.5 -63h-29q10 60 18 148h382z" id="x37"></path></g>
</svg>: 78%  <svg height="11.175" id="M98" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 10.9 11.175" width="10.9" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.113)"><path d="M620 650v-28q-51 -6 -70.5 -19t-48.5 -60q-68 -110 -126 -219q-17 -32 -17 -63v-136q0 -63 15.5 -77.5t84.5 -19.5v-28h-282v28q67 5 82 19.5t15 77.5v133q0 22 -21 60l-126 219q-31 53 -49 67t-62 18v28h239v-28q-51 -6 -59.5 -18t8.5 -36q13 -25 135 -237
q87 155 119 225q18 37 9 48.5t-67 17.5v28h221z" id="x59"></path></g>
</svg>, 20%  <svg height="12.4375" id="M99" style="vertical-align:-0.16379pt" version="1.1" viewbox="0 0 19.5375 12.4375" width="19.5375" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,12.162)"><path d="M620 650v-28q-51 -6 -70.5 -19t-48.5 -60q-68 -110 -126 -219q-17 -32 -17 -63v-136q0 -63 15.5 -77.5t84.5 -19.5v-28h-282v28q67 5 82 19.5t15 77.5v133q0 22 -21 60l-126 219q-31 53 -49 67t-62 18v28h239v-28q-51 -6 -59.5 -18t8.5 -36q13 -25 135 -237
q87 155 119 225q18 37 9 48.5t-67 17.5v28h221z" id="x59"></path></g><g transform="matrix(.017,-0,0,-.017,10.84,12.162)"><path d="M152 404l81 35q23 10 41 10q81 0 139 -61.5t58 -149.5q0 -107 -74.5 -178.5t-176.5 -71.5q-71 0 -147 36v555q0 48 -9.5 59.5t-56.5 15.5v23q79 10 145 35v-308zM152 374v-258q0 -20 6 -35q7 -19 30 -37t58 -18q63 0 99.5 50t36.5 137q0 82 -43.5 131t-108.5 49
q-44 0 -78 -19z" id="x62"></path></g>
</svg>, 2.0%  Er nanocrystals prepared in HEEDA.</table>

Journal of Nanomaterials

fig3

Figure 3

Figure 3: Synthesis and Characterization of Upconversion Fluorescent <svg     style="vertical-align:-0.21599pt;width:43.400002px;" id="M1" height="21.950001" version="1.1" viewBox="0 0 43.400002 21.950001" width="43.400002"  xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg">
	
		
			<g transform="matrix(.022,-0,0,-.022,.062,21.612)"><path id="x59" d="M620 650v-28q-51 -6 -70.5 -19t-48.5 -60q-68 -110 -126 -219q-17 -32 -17 -63v-136q0 -63 15.5 -77.5t84.5 -19.5v-28h-282v28q67 5 82 19.5t15 77.5v133q0 22 -21 60l-126 219q-31 53 -49 67t-62 18v28h239v-28q-51 -6 -59.5 -18t8.5 -36q13 -25 135 -237
q87 155 119 225q18 37 9 48.5t-67 17.5v28h221z" /></g><g transform="matrix(.022,-0,0,-.022,14.274,21.612)"><path id="x62" d="M152 404l81 35q23 10 41 10q81 0 139 -61.5t58 -149.5q0 -107 -74.5 -178.5t-176.5 -71.5q-71 0 -147 36v555q0 48 -9.5 59.5t-56.5 15.5v23q79 10 145 35v-308zM152 374v-258q0 -20 6 -35q7 -19 30 -37t58 -18q63 0 99.5 50t36.5 137q0 82 -43.5 131t-108.5 49
q-44 0 -78 -19z" /></g>

			<g transform="matrix(.016,-0,0,-.016,25.662,10.862)"><path id="x1D7D1" d="M58 524l-21 12q80 152 229 152q73 0 119 -41q45 -41 45 -96q0 -40 -21.5 -74.5t-62.5 -52.5q57 -20 89.5 -68.5t32.5 -109.5q0 -110 -86 -185t-214 -75q-69 0 -110.5 24.5t-41.5 65.5q0 26 18.5 43t46.5 17q45 0 96 -57q39 -43 79 -43q45 0 71.5 34t26.5 88q0 75 -49 121
q-25 23 -56 39q-34 17 -97 38v17q69 21 100 53t31 78q0 103 -99 103q-40 0 -69.5 -19t-56.5 -64z" /></g><g transform="matrix(.016,-0,0,-.016,33.508,10.862)"><path id="x2B" d="M535 230h-212v-233h-58v233h-213v50h213v210h58v-210h212v-50z" /></g>

		
	
</svg>, <svg     style="vertical-align:-0.0pt;width:38.849998px;" id="M2" height="21.674999" version="1.1" viewBox="0 0 38.849998 21.674999" width="38.849998"  xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg">
	
		
			<g transform="matrix(.022,-0,0,-.022,.062,21.612)"><path id="x45" d="M517 162l29 -4q-18 -100 -35 -158h-482v28q68 5 83.5 20t15.5 77v398q0 66 -13 80t-73 19v28h446q0 -8 8 -144l-29 -4q-11 51 -32 85q-11 17 -35 23t-78 6h-76q-23 0 -28 -5t-5 -27v-228h94q67 0 83 12t25 63h29v-191h-29q-10 54 -26 65.5t-81 11.5h-95v-189
q0 -65 24 -81q19 -13 104 -13q57 0 83 7t43 27q28 33 50 94z" /></g><g transform="matrix(.022,-0,0,-.022,12.795,21.612)"><path id="x72" d="M181 342h2q63 107 121 107q24 0 41 -16t17 -34q0 -34 -32 -49q-17 -7 -26 2q-21 20 -43 20q-20 0 -42 -22t-38 -63v-183q0 -50 12.5 -62t69.5 -16v-26h-230v26q47 5 58 17t11 61v207q0 49 -9 60.5t-53 16.5v23q74 12 141 40v-109z" /></g>

			<g transform="matrix(.016,-0,0,-.016,21.112,10.862)"><use xlink:href="#x1D7D1"/></g><g transform="matrix(.016,-0,0,-.016,28.958,10.862)"><use xlink:href="#x2B"/></g>

		
	
</svg> Doped Cs<svg     style="vertical-align:-4.32007pt;width:43.125px;" id="M3" height="20.075001" version="1.1" viewBox="0 0 43.125 20.075001" width="43.125"  xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg">
	
		
			<g transform="matrix(.022,-0,0,-.022,.062,14.637)"><use xlink:href="#x59"/></g>

			<g transform="matrix(.016,-0,0,-.016,14.275,20.012)"><path id="x1D7D0" d="M453 211h25l-46 -211h-415v23q97 102 151 166q42 49 81 110q51 78 51 148q0 56 -31.5 91.5t-87.5 35.5q-77 0 -122 -90h-28q67 204 223 204q82 0 132 -49.5t50 -133.5q0 -110 -114 -218l-162 -154h140q82 0 107 13q27 13 46 65z" /></g>

			<g transform="matrix(.022,-0,0,-.022,22.737,14.637)"><path id="x46" d="M493 503l-29 -4q-13 56 -28 80q-13 22 -35.5 29.5t-78.5 7.5h-76q-22 0 -27.5 -5t-5.5 -27v-238h103q66 0 82.5 12t25.5 62h29v-193h-29q-9 54 -25.5 67t-82.5 13h-103v-181q0 -64 15 -78.5t84 -19.5v-28h-272v28q61 5 74.5 19.5t13.5 78.5v399q0 64 -13 78t-72 19v28
h440q1 -40 10 -147z" /></g>

			<g transform="matrix(.016,-0,0,-.016,34.6,20.012)"><path id="x1D7D5" d="M62 676h415l-235 -676h-95l200 539h-199q-47 0 -68.5 -18t-36.5 -67h-26z" /></g>

		
	
</svg> Nano- and Microcrystals 

Figure 3 | Synthesis and Characterization of Upconversion Fluorescent 
	
		
			

			

		
	
, 
	
		
			

			

		
	
 Doped Cs
	
		
			

			

			

			

		
	
 Nano- and Microcrystals 

Journal of Nanomaterials

Synthesis and Characterization of Upconversion Fluorescent , Doped Cs Nano- and Microcrystals

Figure 3