| 5 | 1/1 | 返回列表 |
| 查看: 752 | 回復(fù): 2 | ||
| 當(dāng)前只顯示滿足指定條件的回帖,點(diǎn)擊這里查看本話題的所有回帖 | ||
wangzheshini銅蟲 (小有名氣)
|
[求助]
合成的量子點(diǎn)不加堿調(diào)ph可以嗎 已有1人參與
|
|
|
最近合成CdS的量子點(diǎn),加不同巰基小分子修飾(巰基乙酸),不加堿調(diào)節(jié)ph這一環(huán)節(jié),合成出來可以嗎。我合成出來的東西不溶于甲醇,也不溶于水,只是在dmf中溶解,這個對嗎。附上參考文獻(xiàn):11-Mercaptoundecanoic acid (MUA) in DMF (0.15 mol/L,40 mL) was added to an aqueous solution of cadmium chloride (CdCl 2Æ 2.5H2O, 3 mmol, 2 mL) and stirred for 15 min.Aqueous sodium sulfide (Na2 S, 1.6 mmol, 2 mL) was addeddropwise to the solution, which was then stirred for 4 h atroom temperature in the dark. The yellow reaction mixturewas slowly dehydrated by distillation under reduced pressurewhile adding fresh DMF to maintain the concentration of CdSNPs in suspension. NaCl was removed by centrifugation three times, yielding carboxyl-anchored CdS NPs in DMF CARBON 48 (2010) 1177– 1185 |
新蟲 (正式寫手)
新蟲 (小有名氣)

| 最具人氣熱帖推薦 [查看全部] | 作者 | 回/看 | 最后發(fā)表 | |
|---|---|---|---|---|
|
[考研] 265求調(diào)劑 +12 | 林深溫瀾 2026-04-01 | 15/750 |
|
|---|---|---|---|---|
|
[考研] 315分 085602 求調(diào)劑 +5 | 26考研上岸版26 2026-04-02 | 5/250 |
|
|
[考研] 求調(diào)劑,一志愿鄭州大學(xué)材料與化工專碩,英二數(shù)二342分,求老師收留 +5 | v12abo 2026-04-02 | 5/250 |
|
|
[考研] 362求調(diào)劑 +14 | 西南交材料專碩3 2026-03-31 | 14/700 |
|
|
[考研] 土木304求調(diào)劑 +3 | 兔突突突, 2026-04-02 | 3/150 |
|
|
[基金申請]
請問共同通訊和共同一作的認(rèn)可度問題
10+4
|
psa1234 2026-04-01 | 8/400 |
|
|
[考研] 調(diào)劑 +3 | 好好讀書。 2026-04-01 | 6/300 |
|
|
[考研] 288求調(diào)劑 一志愿哈工大 材料與化工 +30 | 洛神哥哥 2026-03-31 | 32/1600 |
|
|
[考研] 總分328生物與醫(yī)藥考數(shù)學(xué)求調(diào)劑 +3 | aaadim 2026-04-02 | 3/150 |
|
|
[考研] 一志愿北京科技大學(xué)材料學(xué)碩328分求調(diào)劑 +6 | 1段時間 2026-03-31 | 7/350 |
|
|
[考研] 材料工程322分 +8 | 哈哈哈吼吼吼哈 2026-04-01 | 8/400 |
|
|
[考研] 0856初試324分求調(diào)劑 +6 | 想上學(xué)求調(diào) 2026-04-01 | 6/300 |
|
|
[考研] 調(diào)劑 +5 | 好好讀書。 2026-03-28 | 7/350 |
|
|
[考研] 求調(diào)劑 +4 | DADA怪 2026-03-31 | 4/200 |
|
|
[考研] 086000生物與醫(yī)藥298調(diào)劑求助 +4 | 元元青青 2026-03-31 | 6/300 |
|
|
[考研] 301求調(diào)劑 +8 | axibli 2026-04-01 | 8/400 |
|
|
[考研] 張芳銘-中國農(nóng)業(yè)大學(xué)-環(huán)境工程專碩-298 +9 | 手機(jī)用戶 2026-03-26 | 9/450 |
|
|
[考研] 297 地理學(xué)070500 復(fù)試求調(diào)劑 +3 | 小圓圈圈ooo 2026-03-30 | 3/150 |
|
|
[考研] 296求調(diào)劑 +10 | 彼岸t 2026-03-29 | 10/500 |
|
|
[考研] 求調(diào)劑 +10 | 張zz111 2026-03-27 | 11/550 |
|